Wireless sensors jobs

...list * Modbus mapping * Backup files ⸻ ⸻ SYSTEM 2 LIGHTING CONTROL PLC SYSTEM ⸻ 1. System Description The PLC shall control building lighting circuits. The system shall provide: * Automatic operation * Manual ON control * Manual OFF control * Scheduling * HMI monitoring ⸻ 2. Lighting Operating Modes Each lighting group shall have: AUTO Mode Operation according to: * Time schedule * Sensors (if installed) MANUAL ON Force lighting ON. MANUAL OFF Force lighting OFF. ⸻ 3. Lighting Schedule PLC shall include weekly scheduling. Adjustable: * ON time * OFF time * Days of operation Example: Facade lighting: ON: Sunset / programmed time OFF: 01:00 AM ⸻ 4. Lighting Outputs PLC shall control lighting contactors/relays. Example: Output Circuit DO-L01 External...

...Designs Technical Requirements: ADC: 2x ADS1299IPAG (daisy-chained via SPI). They must share the same external clock for perfect synchronization. MCU: Replace the old RFD22301 with an ESP32 (for WiFi/BLE). Strict isolation of the ESP32's RF noise from the analog front-end is crucial (low-noise layout/shielding). Sampling Rate: Target is 250 Hz per channel, but the SPI timing, ESP32 buffering, and wireless data transmission must be robust enough to support up to 500 Hz or 1000 Hz across all 16 channels. Storage: Replace ST-TF-003A with MSD-3-A (MicroSD slot). Power: Integrate a charging circuit for a 3.7V 2000mAh LiPo (JST connector) with USB-C input for charging. Note: The board will only be used on battery power (not while charging), so we can omit galvanic isolation to sav...

...Designs Technical Requirements: ADC: 2x ADS1299IPAG (daisy-chained via SPI). They must share the same external clock for perfect synchronization. MCU: Replace the old RFD22301 with an ESP32 (for WiFi/BLE). Strict isolation of the ESP32's RF noise from the analog front-end is crucial (low-noise layout/shielding). Sampling Rate: Target is 250 Hz per channel, but the SPI timing, ESP32 buffering, and wireless data transmission must be robust enough to support up to 500 Hz or 1000 Hz across all 16 channels. Storage: Replace ST-TF-003A with MSD-3-A (MicroSD slot). Power: Integrate a charging circuit for a 3.7V 2000mAh LiPo (JST connector) with USB-C input for charging. Note: The board will only be used on battery power (not while charging), so we can omit galvanic isolation to sav...

...unit will sit inside a material-handling cell and must move quickly and repeatably, so every decision—from bearing selection to motor mounting—has to favor high-speed performance without sacrificing reliability. Here is what I expect: 3D CAD model • A fully detailed, parametric assembly built around aluminum components. • All purchased parts (rails, ball screw or belt drive, motor adapter, sensors) called out clearly so sourcing is straightforward. 2D manufacturing drawings • Dimensioned part prints with tolerances suited to high-speed motion. • Exploded and section views for easy fabrication and QC. Bill of materials • Item numbers tied to the drawings, including vendor and part numbers where applicable. FEA & Stress Simulation...

...looking for a highly experienced and certified Huawei Networking Trainer to deliver a professional virtual training program on Huawei LAN, Wireless, WAN Devices, and Optical Fiber Network Devices. Trainer Requirements: Strong hands-on experience with Huawei Enterprise Networking solutions. Huawei certification preferred (HCIA/HCIP/HCIE or equivalent). Proven experience delivering corporate training (online or classroom). Excellent communication and presentation skills. Ability to conduct practical, lab-based sessions with real-world networking scenarios. Training Topics: Huawei LAN Technologies (Switching, VLANs, STP, Link Aggregation) Huawei Wireless Networking (WLAN Architecture, AP Configuration, WAC) Huawei WAN Technologies (Routing, Static & Dynamic Routing, V...

...(about 12–16 mm diameter), balanced so it feels like a normal handheld instrument. - Tip stays slim (comparable to a fine probe pin). - Total length and weight kept close to a standard handheld probe. ## Suggested starting components (open to substitution) - Force sensor: small MEMS force sensor or micro compression/button load cell. - Signal conditioning: HX711 or ADS1220 ADC. - Controller with wireless: Seeed Xiao ESP32-C3 or nRF52840 (BLE). - Power: small rechargeable LiPo (100–150 mAh) with onboard charging. - Feedback: RGB LED + small coin vibration motor. ## Deliverables 1. Working prototype: probing tip + sliding shaft + force sensor + electronics inside a 3D-printed handle. 2. Firmware: reads force, converts to real units, drives the LED + vibration threshol...

...fuel-grade gas dispenser electronics and has hands-on experience designing intrinsically safe circuits. The job centres on the control system of the dispenser; the board you create must reliably manage flow-rate control while meeting the strict electrical safety demands of hazardous-area operation. Here’s what I expect from the engagement: • Develop a full schematic that integrates the pump’s sensors, valve drivers and my chosen microcontroller, then add a custom zener-barrier stage to limit energy into the hazardous zone. • Lay out a compact, production-ready PCB (Altium Designer or KiCad are both fine) observing creepage, clearance and thermal guidelines for ATEX/IECEx intrinsic-safety compliance. • Provide a verified BOM, intrinsic-safety calcu...

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Professional Amazon Sponsored Brand Video Editor Needed for ALIVOLT Wireless Earbuds We are looking for a highly experienced **video editor and product advertisement specialist** to create a premium Amazon Sponsored Brand Video for our electronics brand **ALIVOLT**. Our goal is to produce a luxury commercial that matches the quality of brands like Apple, Samsung, Sony, Bose, and Anker. This is **not** a simple slideshow or template-based video. We require a modern, cinematic, and conversion-focused advertisement suitable for Amazon. ## Project Details **Product:** ALIVOLT Wireless Open Earbuds **Video Length:** 10–20 seconds **Purpose:** Amazon Sponsored Brand Video & Product Advertisement ## Requirements * Premium cinematic editing * Professional motion gra...

I'm seeking an experienced Allen-Bradley PLC programmer for a manufacturing process application. The PLC will primarily be used to monitor sensors and alarms. Key Requirements: - Expertise in Allen-Bradley PLCs - Experience in manufacturing process applications - Ability to program PLCs for monitoring sensors and alarms Ideal Skills: - Proficiency in ladder logic and other programming languages - Familiarity with industrial sensors and alarm systems - Strong troubleshooting and problem-solving skills Please include your relevant experience and approach to the project in your bids.

This project focuses on the custom PCB Design of an advanced Embedded System powered by the ESP32 for scalable IoT applications. By leveraging the ESP32 microcontroller, this IoT device delivers robust wireless connectivity and efficient processing. The comprehensive PCB Design ensures a compact, reliable Embedded System, perfectly tailored for seamless IoT integration and stable ESP32 hardware performance.

I'm seeking an experienced IoT developer to create a comprehensive platform for the HVAC domain. The platform should enable remote control and monitoring of HVAC systems, as well as providing analytics and performance reports. Key Requirements: - Control Features: Automation, scheduling, and ticket generation via edge AI sensors. - Device Integration: Must integrate with various devices including: - Sensors (e.g., occupancy sensors) - Thermostats - Actuators - IAQ Differential pressure, Ideal Skills and Experience: - Expertise in IoT development and cloud platforms - Proficiency in integrating multiple device types - Strong background in data analytics and performance monitoring - Experience with edge computing and AI Please provide relevant work samples ...

...**design and develop a working prototype** of an ultra-thin, sleek, and lightweight wallet-sized wireless portable charger. **Project Requirements:** * Design and develop a functional prototype * Maximum thickness of **2.5 mm** * Completely wireless charging (no built-in cables) * Sleek, premium, and lightweight design * Custom PCB and wireless power management design * Battery selection and integration * Ultra-thin enclosure and CAD design * Wireless charging compatibility (Qi/Qi2 if feasible) * Manufacturing-ready files (CAD, Gerber files, and Bill of Materials) * Design optimized for mass production **Requirements:** * Proven experience designing portable consumer electronics * Experience with wireless charging, lithium battery technology, PCB d...

...a custom professional UAV flight controller. The objective is to create an original, production-ready STM32H7 flight controller as the foundation of a modular UAV electronics platform. The design must include: - Standalone flight controller with compatibility for ArduPilot, Betaflight, and INAV. - STM32H7 MCU (STM32H743 preferred) with long-term availability and firmware support. - Integrated sensors: dual 6-axis IMUs, barometer, differential-pressure airspeed sensor, external GPS/compass connections. - Comprehensive flight-control interfaces: USB Type-C, MicroSD card interface, CAN interfaces, UARTs, I²C/SPI interfaces, RC receiver input, safety-switch input, status LEDs, and more. - Minimum of 12 configurable motor/servo outputs supporting multirotor and fixed-wing aircra...

I'm seeking an experienced IoT developer to create a comprehensive platform for the HVAC domain. The platform should enable remote control and monitoring of HVAC systems, as well as providing analytics and performance reports. Key Requirements: - Control Features: Automation, scheduling, and ticket generation via edge AI sensors. - Device Integration: Must integrate with various devices including: - Sensors (e.g., occupancy sensors) - Thermostats - Actuators - IAQ Differential pressure, Ideal Skills and Experience: - Expertise in IoT development and cloud platforms - Proficiency in integrating multiple device types - Strong background in data analytics and performance monitoring - Experience with edge computing and AI Please provide relevant work samples ...

...**Electronic Speed Controller (ESC)** and **Flight Controller** for our defence UAV platform. This is a long-term project with the possibility of continued collaboration on future UAV systems. # Scope of Work # Electronic Speed Controller (ESC) * Design BLDC ESC (60A–120A, scalable up to 200A) * Schematic design * PCB Layout (KiCad or Altium) * Component selection (MOSFETs, Gate Drivers, Current Sensors, Regulators) * Thermal management * EMI/EMC considerations * Gerber Files * Bill of Materials (BOM) * Manufacturing files * Prototype support * Firmware support (AM32 / BLHeli or Custom) ### Flight Controller * STM32-based hardware design * IMU integration * GPS support * Magnetometer * Barometer * CAN Bus * UART * SPI * I2C * USB * Power Management * PX4 / ArduPilot c...

Wireless Load Cell Monitoring Systems About the Role We're building out a wireless weighing and monitoring solution from the ground up, and we need a seasoned embedded engineer who can own the technical journey — from early prototype to a validated, field-ready product. This role sits at the intersection of hardware and software. You won't just be writing firmware in isolation; you'll be shaping system architecture, wiring up hardware, writing and debugging embedded code, and pushing performance across the board. At a high level, the system pulls weight data from a network of load-cell-equipped sensor nodes spread across multiple locations, processes that data on-device, pushes it over a wireless link, and surfaces it through a cloud-connected pla...

...license 2) Instruction on traffic laws 3) Highway signs 4) Signals and markings that regulate, warn or direct traffic, including traffic signs and lane markings 5) Issues commonly associated with motor vehicle accidents, including poor decision making, risk taking, distractions, speed, failure to use a safety belt, driving at night, failure to yield the right-of-way, texting while driving and using wireless communication devices 6) How to respond to emergency vehicles 7) Turning, passing and yielding 8) Construction and school zones 9) Stopping distance 10) Blind spots 11) Strategy for driving using: A) Smith System B) IPDE Process C) Zone Control D) Any other recognized process for identifying problems, predicting outcomes, deciding action and executing decisions 12) Right-of-wa...

I run a fleet of privately owned ATMs and need a purpose-built cash-filling solution that combines rock-solid security with smooth loading. The core requirements are: • Cash filling mechanism that lets me load notes quickly straight into standard cassettes, minimising downtime and user error. • Integrated security features—tamper sensors, dual-factor access, and an encrypted access log—to protect every refill cycle and create an auditable trail for compliance. This filler will be used only on my private ATM machines, so dimensions, connectors, and software hooks must match the usual off-site, standalone cabinets rather than drive-up or branch-integrated models. Deliverables I’m expecting: 1. Engineering drawings or CAD files for the physical ...

I need a compact, rock-solid middleware/API that keeps fingerprint templates in our legacy MySQL database perfectly synchronized with a fleet of new Android terminals that carry X Brand sensors. The service must pull any template changes from MySQL, push them to every terminal, and confirm successful enrollment on the device side without manual intervention. Beyond the basic sync loop I also want: • real-time data validation before a template leaves the server, • detailed logging of every synchronization event, and • smart error handling that notifies me immediately if a template fails to copy, a device is offline, or any other exception appears. The stack is open: please propose the language and framework you believe will deliver low-latency performance and e...

...Engineers with a minimum of 5 years of experience to lead the end-to-end development of a consumer-grade embedded IoT system. This is a collaborative project requiring close coordination between hardware and firmware teams to deliver a production-ready industrial IoT device with advanced wireless capabilities and sensor integration. HARDWARE DEVELOPMENT ENGINEER Key Responsibilities: - System-level hardware architecture and design freeze - Component selection (MCU/SoC, power ICs, storage interfaces, wireless modules) - Schematic design and PCB layout (high-speed + mixed-signal, EMI-aware) - Power integrity, grounding, shielding, and DFM/DFA compliance - Prototype fabrication support and manufacturer Q&A - Hardware bring-up support and validation with firmware engineer...

The goal is to create an outer shell for a true-wireless earbud case that instantly communicates quality through its look and feel. I already have the internal electronics layout; what I need from you is a plastic enclosure that is all about aesthetics, following a clean, sleek and modern language similar to Apple’s AirPods case. Key points I want you to keep in mind: • Aesthetics come first. Smooth lines, no visible screws, and a seamless lid-to-body transition are essential. • Injection-mouldable plastic will be the manufacturing method, so wall thickness, draft angles and split lines must be respected. • Hinges, magnets and the charging port cut-out must remain flush and unobtrusive. • A small LED window and a subtle logo area should be integrated...

...Consultant – Pipe Bending Machine We are seeking an experienced Motion Control Engineer or Automation Consultant to lead the automation integration of a new pipe bending machine currently in the final stages of fabrication. The successful candidate will be responsible for designing and implementing the motion control system, including the selection and integration of servo drives, proportional valves, sensors, and human–machine interface (HMI) components. **Key Responsibilities** * Design and integrate motion control hardware and feedback systems, including encoders and transducers. * Develop control strategies for precise, repeatable pipe bending operations. * Collaborate with internal teams responsible for 3D mechanical design and PLC programming. * Specify and c...

...strategy, and end-effector layout all optimised so the robot spends more time wiping and less time repositioning. Alongside that, it must autonomously detect and avoid obstacles such as window frames, protruding cameras, or façade fins while staying on its cleaning path. Here’s how I picture our collaboration: • Translate the concept into a detailed mechatronic architecture, selecting motors, sensors (vision, LiDAR or ultrasonic), and a lightweight adhesion/traction system that works on large glass areas. • Produce CAD models and simulation files showing force analysis, coverage patterns, and predicted cleaning throughput. • Develop the control framework—preferably in ROS or a comparable real-time environment—that fuses IMU and vision d...

Project Title: AI based – Production Grade Smart Forest Monitoring System We are looking for an experienced Full Stack AI developer/team to build a production-grade AI platform for real-time forest monitoring and wildlife protection. The solution will use Edge AI devices, AI-enabled Swarm Drones, and environmental sensors to detect wild animals, humans, fire, and smoke, collect real-time environmental data, and securely transmit it to AWS Cloud. A Flutter mobile application will provide live monitoring, intelligent alerts, GIS mapping, analytics, drone management, and remote device management. The system should be scalable, secure, modular, and support OTA updates for both edge devices and drones. Tech Stack - Edge AI: Raspberry Pi 4 / Industrial Edge Computer, Python, OpenC...

Hardware Engineer Wanted: Compact Biometric Wearable Prototype We are seeking a hardware engineer to design the electronics for a lightweight, clip-on attachment that tracks head posture, motion, and heart rate metrics. Project Overview You will design the complete electronic architecture and schematics for a compact, battery-powered wearable prototype. Key Features: Sensors: Integration of an EOG and IOG Connectivity: Bluetooth Low Energy (BLE) for data transmission. Power: Low-power optimization with a small LiPo battery and a magnetic charging setup. Form Factor: High-density, tight-space layout (experience with small or rigid-flex PCBs is a major plus). What You’ll Do Select optimal components based on power and size constraints. Design the analog front-end for cle...

I am building a hands-on trainer kit series and the first board in the lineup is an ESP8266-based IoT controller. I already know the core feature set I need—reliable sensor integration, solid wireless communication and on-board data logging—so your task is to translate those requirements into a clean, production-ready PCB. Scope of work • Schematic capture and PCB layout for the ESP8266 module (ESP-12 or similar) with break-outs for common digital/analog sensors, UART/SPI/I²C headers and a micro-SD slot for logging. • Keep-alive circuitry, 3 V / 5 V level shifting where needed, and a regulated power stage that accepts both USB-C and external DC input. • Generation of manufacturing outputs: Gerber, drill files, pick-and-place, and full BO...

My schematic for an ESP32-based drone flight controller is complete; what I need now is a skilled PCB designer who can turn that schematic into a reliable, production-re...checks so the design sails through board house review on the first pass. • Document any design decisions or trade-offs so I can iterate or scale later without guesswork. I’m supplying the original schematic, netlist, footprints, and datasheets. Tool choice is flexible (Altium, KiCad, or equivalent) as long as source files are included. Experience with high-current motor traces, noise-sensitive sensors, and tight drone form factors will be a big plus. If you’ve shipped similar flight-controller or robotics boards before, I’d love to see a brief example and hear how quickly you can move fr...

...frame. Two STM32 microcontrollers on the main board — each reads four synchronized I2S microphone channels and performs real-time pulse detection and accurate time-of-arrival estimation. One ESP32 microcontroller serves as the central controller: it collects timestamp data from both STM32 units, runs the TDOA-based localization algorithm (including temperature compensation), and manages wireless communication (WiFi + LoRa). Environmental sensor (BME280) for temperature/humidity correction of the speed of sound. Battery-powered with a rechargeable Li-Po cell and power management. What needs to be done: Mechanical design (foldable diamond frame, enclosures, microphone mounts) Electronics design (schematics & PCB layout for satellite boards a...

I need a roof-rack system engineered specifically to mount an autonomous-vehicle sensor suite—cameras, LiDAR, and radar—in a clean, reliable, and easily serviceable way. The rack must let me place any of these sensors horizontally, vertically, or at fine-tuned adjustable angles so I can dial in each unit’s field of view without disassembling the whole structure. Your task is to take my rough sketches and dimensional constraints and turn them into a complete mechanical design that can go straight to fabrication. I plan to prototype most parts on an FDM printer and later shift load-bearing components to laser-cut aluminum, so the model needs to include both printable geometries and clear callouts for metal brackets or inserts where extra stiffness is required. If yo...

Project Title: Build a Flutter Mobile App - MicSeBolo (Wireless Microphone App) Project Description: I am looking for an experienced Flutter developer to build a cross-platform Android and iOS application called "MicSeBolo". App Overview: MicSeBolo is a personal wireless microphone app that streams the user's voice from their smartphone microphone to a connected Bluetooth or wireless speaker in real time. The app should provide low-latency audio streaming with a simple and modern user interface. Key Features: - Real-time microphone streaming - Bluetooth speaker support - Wireless speaker/audio output support - Low-latency audio transmission - Start/Stop microphone button - Volume control - Audio quality settings - Background operation - Permis...

We are seeking an experienced RF Engineer with strong expertise in Bluetooth Low Energy (BLE) antenna design, RF matching networks, and wireless product validation. The ideal candidate will diagnose performance issues, redesign the antenna and matching network as needed, and validate the final design to ensure robust BLE performance. Project Scope - Evaluate the current BLE RF and antenna design. - Diagnose issues affecting BLE range, RSSI, connection reliability, and overall RF performance. - Analyze the PCB layout, antenna placement, ground plane, enclosure effects, and surrounding components. - Redesign or optimize the BLE antenna and matching network to improve performance. - Perform impedance matching using a VNA and optimize the antenna for the target operating environment. ...

...I’m disabled and would greatly appreciate someone who can provide patient and understanding assistance. Here’s an overview of the devices I have: - Apple Devices: iPhone, HomePods, Mac Pro Laptop, AppleTVs - Aqara: Hub M3, Smart Lock U400, Doorbell Camera G400 (Wired), Presence Multi-Sensors FP300, Water Leak Sensors - Philips Hue: Bridge Pro, Lights - Ecobee: Smart Thermostat Premium, SmartSensors - Netgear: Nighthawk WiFi 7 Router RS700S (19Gbps) Key Tasks: - Connect and integrate sensors, door locks, and lights with Homey Pro. - Ensure smooth integration with Apple’s ecosystem (HomeKit). - Optimize settings for accessibility and ease of use. If you’re experienced with smart home setup and are available locally, I&rsquo...

I need an experienced IT manager to assist with a hybrid network setup for my church. Key Responsibilities: - Setup and maintain a hybrid network (wired and wireless) - Install and update necessary software - Provide user support and training Devices to connect include: - Computers and laptops - Mobile devices and tablets - Printers and other peripherals Ideal Skills and Experience: - IT management experience - Network setup and maintenance expertise - Proficient in software installation - Strong training and support skills Looking forward to your bids!

...that I need redesigned/re-textured to match a specific reference style. Current model: A simple fingerless glove with a curved wrist display screen (shown in reference image 1 — attached). Target style: A rugged, tactical-tech aesthetic glove — black textured material with tan/leather-colored padded panels, visible stitching, embedded buttons/controls on the back of the hand and fingers, a subtle wireless/signal icon (shown in reference image 2 — attached). Scope of work: Re-texture the glove body (black material + tan leather-style padded sections) Add sculpted/modeled button and control details on knuckles, back of hand, and fingers Add stitching/seam detail lines Deliverables: Final textured 3D model file (source + exported format, e.g. FBX/OBJ as required...

Project Overview I need a custom electronics board designed and prototyped around a combination of Logic Gates, built for a non-programmable, hardware-only sensor-to-actuator decision system (no microcontroller/firmware involved). The board should be robust, classroom/hobbyist-safe, and ready for small-batch prototyping. Concept The core idea is a hardware logic control board where inputs (sensors which uses only digital signal like IR sensor, PIR sensor, LDR sensor etc.) and outputs (actuators/dc motors, LED and buzzer) are combined using any gate logic — with no coding or programming required. Detailed Requirements 1. Power Requirements Power input via a 9V battery. Onboard conversion to a regulated 5V supply using an LM7805 (or equivalent regulator IC). The regulate...

...Push every reading over Wi-Fi using pure HTTP requests formatted as JSON. On the front end I want a live web dashboard that combines graphs with raw tables so I can flip between trends and exact values. The visuals should update in near-real-time without manual refresh. Key expectations 1. Fully commented Arduino-style code (ESP-IDF is fine too) that hits the above metrics with my exact sensors. 2. A lightweight backend or direct ESP32 HTTP endpoint to accept the JSON, store it, and feed the dashboard. 3. Responsive dashboard pages showing both line charts and tabular data for each variable, plus cumulative kWh and total runtime counters. 4. Clear setup instructions so I can reproduce the build from flashing the ESP32 through opening the dashboard. If you’re ex...

...allow a user to push a physical syringe and feel changing resistance as the virtual needle passes through skin, fat, muscle, and finally bone. A simple 3D visualization should display the needle moving through these tissue layers with realistic PBR textures. Scope of Work Hardware Design and build a custom 1-DOF haptic syringe device Select and integrate suitable motor, driver, controller, and sensors Develop firmware for real-time force feedback Ensure smooth, responsive haptic performance Software Develop in Unity (preferred), Unreal Engine, or native C++ Real-time communication between hardware and software Map insertion depth to programmable force feedback Implement editable force curves using a text/configuration file Create a simple calibration interface Graphics Moderate-...

...Important note: We do not need the developer to create camera systems, motion detection, AI, or sensor hardware. These technologies will be developed and integrated by our own engineering team. The game software must be designed in a way that allows easy integration with external systems. Our external software will handle player tracking, ball tracking, scoring triggers, event detection, cameras, sensors, and AI logic. We are interested in developing games such as: * Projection-based wall games * Projection-based floor games * Ball throwing and target games * Whac-a-Mole style games * Reflex and reaction games * Physical activity games for children * Educational interactive games * Multiplayer children’s games * 2D and 3D games with strong visual effects * Simple arcade-...

I want to create a branded control board that keeps the familiar Arduino UNO R3 footprint yet swaps the ATmega328P for an ESP32. The finished board must: • expose the usual analog inputs, PWM outputs, serial ports and full digital I/O • break-out eve...with no driver fuss. • Battery section balances, protects and cuts-off at safe limits for both cells. • All I/O points pass functional continuity and signal tests through the screw terminals. • Enclosure snaps shut securely and aligns with mounting holes on a flat wall. Altium, KiCad or similar is fine as long as the output files are industry-standard. If you have prior work that proves solid wireless performance on ESP32 plus reliable battery management, please share a short note when you bid so I can move...

I need a skilled instrument technician to service Radar level transmitters, level switches and other field instruments and integrate Siemens PLCs with these sensors in the USA Key Tasks: - Install, maintain, and calibrate capacitive level sensors - Program and integrate Siemens PLC with level sensors Ideal Skills and Experience: - Proficiency with capacitive level sensors - Experience in Siemens PLC programming and integration - Strong background in instrument installation, maintenance, and calibration

...(CVN) simulation. Supported PID map configuration and display (Mode 01 PID 00, 20, 40, 60, 80). Realistic live sensor simulation including RPM, coolant temperature, intake air temperature, MAP, MAF, throttle position, oxygen sensors, fuel trims, vehicle speed, engine load, fuel level, and other applicable PIDs. Correct DTC storage, pending, confirmed, permanent, and clearing functions. Readiness monitor simulation. Freeze-frame data support. EVAP and emissions monitor simulation. Vehicle-specific protocol selection. VIN decoding with correct supported sensors for the selected vehicle. Ability to capture real vehicle OBD data and replay it later. Adjustable sensor values in real time. Playback controls (play, pause, stop, loop, speed adjustment). Graphical inter...

I need a robust use-case that shows how to reach at least 98 % accuracy when measuring soil quality on landscape projects. The scenario must assume that every data point is gathered through manual sampling in the field—no sensors or drones—yet still delivers near-laboratory precision once the readings are analysed. Tell me, in practical terms, exactly how you would structure the sampling routine, the lab or on-site tests to run, and the statistical techniques that will push the overall confidence level to 98 % or better. Please anchor your approach in real-world constraints such as varying soil textures, moisture swings, and the time pressure typical of landscape maintenance schedules. Deliverables should include: • A step-by-step sampling protocol (tools required...

...inside the device and presents a high-tech feel. Please devote the bulk of the screen time to illustrating: • Product expanding to show inside (circuit board, casing, button integration etc). The device should expand, we see all the tech light up, then it all compresses back inside. • Seamless connectivity—pairing with a phone, pulling notifications • Long-lasting power—battery indicator, wireless charging pad interaction, quick-charge sequence Rendering style must stay within a photo-real, product-advertisement look: lifelike materials, soft studio lighting, subtle depth-of-field, and believable UI overlays on the watch face. I’m aiming for something that could sit comfortably in a high-end brand spot or a crowdfunding pitch. Final delivera...

I'm looking for an experienced Arduino developer to create an interactive experience. The project can be tailored towards educational activities, entertainment/games, or an art installation. Ideal Skills and Experience: - Proficiency with Arduino and microcontrollers - Experience in designing interactive systems - Knowledge of various sensors (temperature, motion, light) - Ability to implement diverse outputs like LED effects, motor movements, and sound Please provide examples of previous work and relevant skills.

...a compact 1 × 1 inch board dedicated to sensor integration and need an experienced electronic designer to turn my concept into production-ready files. The job involves creating the full schematic, laying out the multilayer PCB, and preparing all manufacturing outputs while keeping signal integrity and power routing clean within the tight footprint. Because this board’s sole purpose is to host sensors, component placement and trace routing must anticipate minimal noise coupling and allow straightforward connector access on at least one edge. You are free to choose the CAD package you’re most efficient with—KiCad, Altium Designer, Eagle, or similar—as long as the final deliverables meet standard fabrication requirements. Deliverables I expect: •...

I have a microcontroller-based board that will sit in the field and quietly record temperature readings from one or more digital sensors. Your job is to write the embedded firmware that pulls those readings at set intervals, time-stamps them, and stores everything persistently in a neat, easily downloadable file (CSV or similar). Core needs • Reliable polling of the attached temperature sensors (currently using a standard one-wire digital device, but code should be abstract enough to swap to I²C if required later). • Configurable sample rate—default 1 Hz but changeable over a simple serial menu or compile-time constant. • Local, non-volatile storage on the board’s microSD slot; automatic file rollover when a maximum size is reached so ...

I’m putting together an adults-only event and need a female performer who can keep the crowd on their feet through lively, audience-participation dance games. You should be comfortable blending choreography with playful improvisation, moving seamlessl...background in dance, theatre, or club hosting—and can work a microphone while keeping the beat—that’s exactly the vibe I’m after. Deliverables I’m looking for: • A short show plan outlining two or three participation games you’d run • A recent demo video (or link) that highlights you engaging an adult audience • Your available dates, set length options, and any technical needs (music playback, wireless mic, etc.) I’m ready to confirm quickly, so send over your...

I'm seeking an experienced electrical or mechanical engineer to develop an innovative sport - brain stimulating product: reaction training pods tha...develop an innovative sport - brain stimulating product: reaction training pods that connect to an app via Bluetooth. Key Requirements: - Interactive functionality - Bluetooth connectivity to app - Integration with TV - Development of motion sensors, heart rate monitors, or GPS modules as needed Ideal Skills and Experience: - Strong background in electrical or mechanical engineering for app need app developer - Experience with Bluetooth connectivity and app integration - Familiarity with developing interactive tools - Knowledge of relevant sensors and components Please provide a portfolio showcasing similar projects an...

...and media assets. Stay updated with the latest video production techniques, editing styles, and social media trends. Required Skills Proficiency in Adobe Premiere Pro Working knowledge of Adobe After Effects Experience with Adobe Photoshop and Lightroom (preferred) Strong understanding of camera operations, framing, lighting, and composition Experience using DSLR/Mirrorless cameras, gimbals, and wireless microphones Knowledge of color grading and audio editing Creative storytelling and attention to detail Ability to manage multiple projects and meet deadlines Preferred Qualifications Bachelor's degree or diploma in Film, Media, Animation, Mass Communication, or a related field. 1–3 years of experience in videography and video editing. Experience in real estate, archite...