Antenna design jobs
PCB design and testing: For RnD project of mine I need a small batch of prototype boards. Board will include: MM6108 - wifi802.11ah chip at 850-950mhz, SPI/SDIO controlled. STM32U5 - for controlling MM6108 via 50mhz SPI or SDIO Any 10/100mbps SPI ethernet controller with ethernet to stm32 One or two stage PA from MM6108 to antenna Probably some of these chips/transistors TQP7M9106 CGH40006P CGH40010F Or something else. Multilayer design with correct RF tracing and impedance matching. + Heat dissipation. Total output power is targeted to 33-35dbm by utilising 40dbm output PA under its compression to ceep PAPR and EVM in check. Smal footprint, preferably 40*40mm or similar. Mounts for heatsink. Inputs - power 12-48v or 24-48v Ethernet 10/100mbps rg45 or vibratio...
...need a complete CST Studio Suite model of a rectangular microstrip patch antenna that operates reliably across 3000 – 3500 MHz. Designed antenna would be used in an array to feed angle of arrival (AoA) direction finding cuircit on a parallel seperate board through connector cable. My priority is bandwidth optimisation; once the design is tuned, I’ll use your file as the baseline for fabrication and further testing. Here’s what I’m looking for: • A well-documented CST project file with all boundaries, ports and substrate parameters clearly defined • Simulation results that confirm the −10 dB impedance bandwidth fully spans 3.0–3.5 GHz, plus plots for S-parameters, VSWR, gain and radiation patterns • A brief ...
...duty cycle, power level, timestamps), and map the location of each source. • Produce a concise, court-ready report that explains methodology, raw data, findings, and your expert conclusion on whether illegal surveillance is occurring. Acceptance criteria 1. A written technical report (PDF) backed by spectrum plots, waterfall screenshots, and GPS-tagged photographs of any discovered device or antenna. 2. A short summary section written in plain English that my attorney can reference directly. 3. All raw measurement files (CSV/IQ recordings) supplied for independent verification. Please indicate the primary tools you intend to deploy and your availability for on-site work, and confirm any relevant certifications or prior bug-sweep experience when you respond....
I'm looking for a skilled engineer to design and develop a GPS receiver primarily for navigation transmit and receive the signal over rf antenna Key Requirements: - The GPS receiver should provide accurate and reliable navigation data. - It must be designed to integrate seamlessly - The design should prioritize user-friendly interface and experience. Ideal Skills and Experience: - Proven experience in GPS technology development. - Strong background in hardware design and software integration. - Ability to create detailed, technical project proposals. Please include detailed project proposals in your application.
PLEASE READ FULL DESCRIPTION OF PROJECT SCOPE. WE WANT A DESIGN VERY DIFFERENT FROM ALST YEAR SO THE BEAR IS NOT AT A TABLE. BUT DOING SOMETHING DIFFERENT. SEE FULL INFORMATION BELOW. WE WANT ORIGINAL ARTWORK not AI Images. ChatGPT, Claude, we could have done that ourselves. Winter Field Day 2027 T-Shirt Design (20th Anniversary) ## Project Overview The Winter Field Day Association is seeking an experienced graphic designer and illustrator to create an **original custom t-shirt design** celebrating the **20th Anniversary of Winter Field Day (2007–2027)**. This artwork will be used on official event merchandise and should capture the excitement of amateur radio, emergency communications, and outdoor winter operations in a fun, memorable illustrat...
Pls contact only if you have the experience and can provide some samples from your previous DAS project. Responsibilities Design and simulate Indoor Distributed Antenna Systems (DAS) using iBwave Design. Perform RF planning and coverage analysis for LTE, 5G, and, if required, GSM/UMTS networks. Develop complete iBwave project files (.ibw) for commercial and public buildings (airports, office buildings, shopping malls, hospitals, hotels, etc.). Select and optimize DAS components, including RRUs, antennas, splitters, couplers, combiners, feeders, and passive RF equipment. Generate RF coverage prediction maps (RSRP, SINR, RSSI) and ensure coverage meets customer requirements. Prepare Bill of Materials (BOM), RF link budget calculations, and technical documentation. Opti...
...inside commercial vehicle. We are hiring a freelance 3D designer to design the complete enclosure: both the external housing (weatherproof, mountable, solar-integrated) and the internal layout (PCB, battery, camera module, antennas, connectors). The immediate goal is a 3D-print-ready prototype we can assemble and test. The design should be conceived so it can later transition to injection molding, but this contract targets a working printed prototype. What we need from you A manufacturable enclosure design that physically fits all internal components, seals to IP67, mounts securely inside a trailer, exposes the solar panel and camera correctly, and can be 3D-printed for a first working prototype. 2. Scope of Work 2.1 External Design ● Weatherproof housing (ta...
Working on a 6G D-band antenna research project. I need an experienced Ansys HFSS engineer to reproduce the complete antenna design from an IEEE journal paper. The work includes reproducing: Single rectangular microstrip patch antenna 1×4 microstrip patch antenna array (Figure 3(a)) Corporate feed network (Figure 3(c)) 4×4 microstrip patch antenna array (Figure 3(b)) The antenna should be modeled according to the dimensions, materials, and design methodology provided in the IEEE paper.
Working on a 6G D-band antenna research project. I need an experienced Ansys HFSS engineer to reproduce the complete antenna design from an IEEE journal paper. The work includes reproducing: Single rectangular microstrip patch antenna 1×4 microstrip patch antenna array (Figure 3(a)) Corporate feed network (Figure 3(c)) 4×4 microstrip patch antenna array (Figure 3(b)) The antenna should be modeled according to the dimensions, materials, and design methodology provided in the IEEE paper.
I need a complete PCB design built around the ESP32-C3 and five onboard power MOSFETs. The board will sit inside a medium-sized, handheld consumer-electronics enclosure and run from a regulated mains-derived supply, so careful attention to isolation, creepage, and thermal paths is essential. The circuit will drive five independent high-side or low-side loads (I can adapt to whichever topology is simpler on your end) while giving the ESP32-C3 solid Wi-Fi/BLE antenna performance. GPIO pin mapping, level-shifting, protection, and a clean 3 V3 rail must all be worked into the schematic. Please route with sensible trace widths, keep EMI in check, and leave me a little proto area for future tweaks if space permits. Deliverables • Schematic and well-annotated PCB layout &...
...run an analog broadcasting facility and need an experienced radio engineer to work directly on our transmitter and tower-mounted antenna system. Your focus will be the RF chain—from the exciter right through to the radiating elements—making sure we’re operating at peak efficiency and fully within our licensed technical limits. You’ll have access to current schematics, field strength and SWR readings, plus any service manuals we hold. Using your own measurement gear (spectrum analyser, dummy load, vector VSWR meter, etc.) or equivalent tools on-site, I’d like you to: • Diagnose and resolve any signal quality or coverage issues linked to the transmitter or antenna • Retune, align and verify power output and reflected power figure...
...control pin out to a nearby test pad. • I chose a compact layout, so keep the footprint tight while still leaving the ESP32’s antenna area and the Nice!Nano’s battery pads clear. • Exposed pin headers for additional connections and the LED indicator need to remain easily accessible once the modules are plugged in. Deliverables 1. Schematic in KiCad, Altium, or EasyEDA (whichever you prefer). 2. PCB layout with clear silkscreen labels for every header pin. 3. Complete BOM with part numbers for the pin headers, capacitors, LED, and any voltage-conditioning parts. 4. Gerber, drill, and pick-and-place files ready for a board house. 5. A quick design note explaining the power-conditioning choices and LED drive circuit. If something in my ...
Design a complete low-power LoRaWAN EU868 tracking system consisting of: ### 1. Two Ultra-Compact Coin Trackers Design two identical coin-sized wearable devices (target size less than 25×25×10 mm) including: * nRF52832 (includes BLE) * SX1262 LoRaWAN EU868 transceiver * PCB antenna * CR2032 coin cell (not rechargable) * USB-C (programming + external GPS connection) * 9-axis IMU * Temperature sensor * Pressure sensor (if space permits) * Battery level monitoring * Embedded RFID/NFC tag (details later) * Waterproof panic push button (3-second press detection) * Epoxy enclosure with attachment hole to append to a ring (careful with the USB, the push button and battery closet) The tracker shall periodically transmit its ID and sensor data using LoRaWAN EU8...
...programming header for flashing firmware - Keep EN/BOOT buttons if required - ESP antenna area should be clear for good WiFi signal Power: - Compact isolated AC to DC power supply - 5V supply for outputs - 3.3V regulator for ESP32 - Do NOT use capacitive dropper power supply Outputs: Total 8 controllable AC outputs: - 6 channels: Use optically isolated TRIAC switching Example: MOC3063 optotriac + BTA06/BT136 triac For LED lights and normal lighting loads - 2 channels: Use mechanical relays For fan/socket/heavier loads Inputs: - Support 8 physical wall switches - Use ESP GPIO directly or MCP23017/PCF8574 I2C expander - Provide connector: 8 switch signal pins + 1 common GND pin - Use pull-up input design Extra: - IR receiver input header - Spare I2C heade...
...both FCC Part 15 and the equivalent ISED requirements. The focus is squarely on RF performance. I have no existing test data, so I’m relying on your insight to flag anything that might push us over the limits once we reach conducted or radiated emissions testing. Key areas include the matching network around the module, antenna feed, ground strategy, return-loss considerations, filtering, and any layout tweaks that could shave a few dB off leakage. You’ll receive the design files (Gerber, pick-and-place, PDF prints, and the native CAD project). After your review I need: • A concise report outlining every change that would materially improve compliance, ranked by impact and effort. • Clear guidance on conducted and radiated emissions expectations,...
...acceptable if conversion is necessary). Main Components: Radxa Zero 3W compute module USB-C power input MP2667 LiPo charger / power-path controller TPS61088 boost converter LMR33630 buck regulator MAX17048 fuel gauge ATGM336H GPS module with antenna AS7341 modular optical-head connector SPI TFT display microSD connector LED driver and control circuitry Required Experience: Strong experience designing and routing 4-layer PCBs. Experience with switching power supplies, power integrity, and grounding. Experience with GPS/RF layout and mixed-signal PCB design. Experience routing fine-pitch components (QFN/WSON packages). Ability to deliver a manufacturing-ready PCB with zero critical DRC errors. All project files, including the Flux project, schematic, BOM, placement, an...
...reliably, meets the module’s peak-current demands, and stays within the battery’s safe-discharge limits. What I already have • Datasheets and purchase links for the selected LTE modem, SIM socket, PMIC, Li-ion cell, and protection circuitry. • Preliminary schematic drawn in KiCad. What I need from you • Review and refine the schematic and PCB layout to eliminate power-rail dips, EMI issues, or antenna detuning caused by poor grounding. • Specify or validate in-line components—inductors, caps, TVS, fuses—so the battery section passes basic safety and CE/ETSI emissions. • Deliver updated KiCad files (schematic + 2-layer PCB) and a brief test-procedure document that shows how to verify current draw, thermal rise, and LTE link ...
...with a clean futuristic cyberpunk aesthetic (such as Aesthetic Mistakes wallpapers) The wallpaper should look like a stylized view of the phone's internal components - not a realistic teardown, but a premium industrial design featuring PCB traces, ribbon cables, connectors, chips, shielding, screws, maybe with a wireless charging coil. Phone color is Navy Blue, so the artwork should use a similar palette that complements the frame. Also the Galaxy S25 has visible antenna bands around the metal frame (similar to an iPhone). I'd like those bands to be incorporated into the design so that the parts visible around the edges of the display visually continue the phone's frame, making the wallpaper feel integrated with the device. I'll provide refere...
I have a finished KiCad 9.0 schematic and now need it turned into a clean, two-layer PCB with mounting holes(2 mm). The board is straightforward with: One BLE MCU module(WeAct Studio CH582F) and two SMD IC's and supporting passive components and connectors. The target board size is 4mm x 6mm and I have a preferred placement idea (mainly around BLE MCU placement(antenna orientation),connector accessibility & placement) that I’ll share once we start; they’re guidelines rather than strict coordinates. No special thermal tricks are required beyond normal copper balancing. I will provide KiCad-9 schematic,project as a starting point along with placement guidance and data sheets. The focus is on a tidy, compact layout that still respects good routing practice. De...
Existing incomplete design for an esp32 based heating control board. Needs several schematic and layout changes (KiCAD). -Add encapsulated mains PSU -Board supplies no longer derived from 24V external supply -Add interface for RESOL vbus to UART (working schematic provided) -Add 4no Pump PWM signal drivers (Working schematic provided) -4no pump feedback signals (schematic provided, dependent on free IOs) -Add SPI or i2c oled display -Remove RasPi footprint. -MCU remains as ESP32 C6, Zigbee antenna will be used. Must use official devkit on header -Add Ethernet via W5500 or similar -Mains input protection (MOV) -Relay output protection (MOV/snubber) Load is small AC circulating pumps and/or motorised valves. -SP3T switch at all relay coils to achieve Man/Off/Auto selection -Ma...
Hi, I'm a student working on an access control system for our school's IT labs. We already have a working prototype and the firmware/software side handled — what I need is a properly designed PCB in KiCad to replace my breadboard version, since PCB design (especially RF and PoE) is outside my expertise. Requirements: PN532 RFID/NFC reader with antenna (on-board trace or module, your recommendation) ESP32-S3 as main MCU Standing/vertical form factor, board size 80mm x 35mm, 2-layer PCB, sized to mount inside a 3D-printed enclosure (mounting holes needed) RJ-45 jack with PoE (802.3af preferred) for network + power — note ESP32-S3 has no built-in Ethernet MAC, so needs an external PHY (e.g. LAN8720) via RMII Relay output for a 12V or 24V door lock, with pr...
...solution to avoid conflicts when both the magnetic connector and USB-C are supplying power at the same time (this is the trickiest part of the design — please confirm you have handled power-source arbitration/OR-ing circuits before) 4-pin JST connector for mounting (VCC, GND, SDA, SCL) — this is how it talks to the grid controller Physical switch to connect/disconnect the battery Two battery status LEDs (red = charging, green = fully charged) Voltage divider circuit to measure battery voltage from the microcontroller Optional/nice-to-have: IR LEDs, ambient light sensor Open question I'd like your input on: onboard antenna vs. antenna IC vs. external antenna connector for the ESP32 module — please advise based on the cube enclosure size ...
...without any notifications making me student and attacker teacher (found plist files where unpromptedacesstoscreen was true and mobileconfig files, also found that in 1 week 14 times mobile operator configuration was installed and uninstalled) - also I documented facts of using IMSI catcher (which how I found out very easy to create and very cheap to buy in any country just need raspberry pie + antenna + simcard slot) which pretends to be a real cellular station while in fact it's fake and it intercepts connection, stealing sms, uploads malicious certificates and making MITM attack, changing the answers of AI to wrong) - more than 10 devices (iphone,Samsung,MacBook,windows laptops,google pixels, raspberry pie, Huawei) were hacked and spoiled using mentioned above methods - ...
...has already been developed and is running successfully on the development board. We are looking for an experienced embedded hardware/PCB designer to design a prototype PCB that will allow us to validate the complete hardware before moving to the final production version. The final product will be mounted on a bicycle and used in rough off-road racing conditions, therefore the design must focus on reliability, waterproofing, vibration resistance, and low power consumption. --- ## Scope of Work The selected freelancer/company will be responsible for: - Complete schematic design - PCB layout design - Component selection (where required) - Design review - Prototype-ready PCB - Manufacturing files - Mechanical deliverables (STEP model) - Support durin...
I need help mounting an AP board and setting up an antenna indoors in a residential building. Requirements: - Install AP board and antenna indoors - Residential setting experience - Basic understanding of networking equipment Ideal Skills: - Experience with indoor installations - Familiarity with residential layouts - Attention to detail and safety
...each community, there are Three separate datasets to process: Dataset A: High-density LiDAR focus on the in-town electrical distribution powerline network. Dataset B: Ortho mosaic of the town. Dataset C: High-altitude LiDAR and orthophotos covering the entire town and surrounding area. Processing Requirements Process all data using PPK. RINEX files are included. Base station coordinates and antenna height can be provided if required. Coordinate System: NAD83 (CSRS) UTM Zone 17N Deliverables (Per Community) – Distribution Powerlines (In-Town) 1. Classified LiDAR Point Cloud (.LAS/.LAZ) Focus on the electrical distribution network within the community. Classify the point cloud using Canadian ASPRS classification standards into: Ground Vegetation Powerline Structures Conduc...
...the application processor and WiFi/BT, so no separate router SoC is needed. I already have a design specification, BOM, system block diagram, board outline, and a component placement template. I need a professional to turn this into a production-ready schematic and 4-layer PCB. Key specifications: Module: Quectel SC200E (preferred) or SC20, LTE Cat 4, integrated WiFi/BT. Dual SIM: 2x nano-SIM (USIM1 + USIM2) + 1x eSIM (MFF2) muxed on USIM2. DSDS-capable. Power: single-cell Li-Po (1S, 3000-4000 mAh), USB-C 5V charging, power-path, fuel gauge; VBAT path must handle ~3A LTE bursts. RF: LTE main + diversity antennas and a 2.4 GHz WiFi/BT antenna, 50-ohm controlled impedance, Pi-matching networks, antenna keep-outs. I/O: power/reset buttons, status LEDs, optional micro...
...micro-propeller tucked into the nose/tail, while directional control (pitch and yaw) must be handled by a mechanized, articulated tail. The absolute highest constraint of this project is a strict maximum weight budget of 250 grams fully loaded. Scope of Work & Engineering Challenges Aero-Shell Design: Shape a sleek, two-part bird fuselage that completely hides control surfaces within the natural bird outline. Internal Component Allocation: Design precise internal mounts, wire routing paths, and antenna placements for a pre-defined stack of micro-electronics: Micro 1S All-In-One (AIO) Flight Controller (25x25mm mount) 1102 Brushless Motor & micro folding propeller Two 1.7g linear servos (for tail actuation) Micro FPV Camera & Video Transmitter (VTX...
...consultant to assist with the design and development of innovative electronic products involving wireless communication technologies. The ideal candidate should have expertise in embedded systems, RF and wireless communication, PCB design, Embedded C, Python, and product development. Experience with Bluetooth, Wi Fi, LoRa, Zigbee, cellular modules, sensors, and power management is highly desirable. Responsibilities include reviewing product concepts, evaluating wireless architectures, assisting with PCB and antenna considerations, selecting components, improving reliability, and supporting prototype development. Familiarity with STM32, Arduino, Raspberry Pi, IoT systems, Linux, and hardware debugging is a plus. We are looking for someone with strong analytical and...
My site sits in a hard-to-reach location and relies entirely on a single VSAT link. I need a seasoned engineer who can travel to the remote area, complete a clean installation and setup of the terminal, keep the link healthy through scheduled maintenance and provide rapid troubleshooting when issues arise. You will handle: • Full antenna assembly, precise pointing, modem configuration and link activation • Preventive checks, firmware updates and routine performance tuning to avoid downtime • On-call fault isolation, component swaps and repairs whenever the signal degrades I will supply the hardware, travel arrangements and local access permissions; you bring the specialised tools, spectrum analyser, laptop with configuration software and the experience to make t...
...sit on mains, adequate creepage, clearance, fusing, and surge protection are must-haves, and the ESP32 antenna keep-out has to stay clear of copper and tall parts. Each relay should handle at least 10 A and include status LEDs. Please share examples of similar mains-powered or ESP32 designs you have completed; that past work will help me decide quickly. The schedule is tight, so I’d like an initial schematic/layout draft within days and final, production-ready files as soon as we lock revisions. Deliverables • Complete schematic in KiCad or Altium • PCB layout ready for fabrication (Gerber, drill, pick-and-place) • Fully annotated BOM with manufacturer part numbers • Short design note summarising safety measures and test points Firmware...
...transients, temperature changes, and electrical noise. The primary design objective is the smallest practical PCB while maintaining reliability, low power consumption, and manufacturability. Functional Requirements The PCB must provide: ESP32-S3 with BLE connectivity 3-axis motion sensing for deceleration detection 12V automotive power input with appropriate protection Reverse polarity protection Transient voltage suppression (TVS) High-side switching for LED lighting control Digital input sensing for vehicle signals Battery voltage monitoring Programming and test interface OTA firmware update capability Optimized BLE antenna layout Design Goals Ultra-compact PCB footprint Low quiescent current Automotive-grade design practices Suitable for a fully potted...
...continuous 24/7 outdoor operation. Milestone 1 Sign-off: Optimized schematic and electrical simulation reports must be reviewed and officially approved by the client before any PCB routing begins. -PCB Design, Layout & Thermal Simulation High-Power & Logic Separation: Isolate high-power AC/DC tracks from low-voltage logic/RF signals (ESP32 and HLK) to prevent EMI/EMC interference. Adhere to strict Creepage and Clearance standards for safety. RF Layout & Impedance Matching: Implement strict 50-Ohm impedance control for RF signal traces and adhere to official Espressif guidelines for ESP32 antenna keep-out zones. Thermal Simulation & Management (High Priority): Perform full Thermal Simulation (FEA/CFD) under maximum continuous 24/7 load. Implement mitigat...
I am rolling out a dedicated 4G Distributed Antenna System/In-Building Solution for an international airport and need a seasoned iBwave specialist to turn our requirements into a full design package. Scope of coverage • Terminals • Baggage areas • Parking garages What I need from you Your proposal should walk me through your design approach inside iBwave, list the main equipment you expect to use, outline any preliminary link-budget assumptions, and include a timeline with key milestones. Expected deliverables - Native iBwave file (.ibw) covering every zone named above - Predictive heat-maps for RSRP and SINR, floor by floor - Bill of Materials with manufacturer part numbers - High-level schematics and concise implementation notes ...
...skilled SolidWorks designer with product rendering capability to design two enclosures and produce exhibition-quality visuals and proto for an international trade show in September 2026. Two enclosure assemblies, fully specified in our Mechanical Design Specification (provided on engagement), plus exhibition-quality renders of both. Assembly 1 — Rack Cassette Unit (COTS enclosure, custom panels and internals) Based on a standard 3U 19-inch rack cassette (nVent SCHROFF EuropacPRO — 3D model available free from nVent). The chassis is used as-is. Custom parts required: - Front panel (3mm aluminium) — SIM card slot, 4× LED light pipes, USB-A, USB-C, branding - Rear panel (3mm aluminium) — 19+ M12 circular connectors, SMA/TNC RF antenna p...
I am developing a VSAT communication antenna and require the complete electromagnetic-design workflow to be run in both CST Studio Suite and Ansys HFSS. Access to both licenses is essential because I will be cross-checking the simulations between the two platforms. If you have your own development lab with measurement capability, that will streamline later stages, but the immediate focus is on simulation-verified design. The antenna must meet a defined frequency range and minimum gain figure; I will share the exact numbers once the NDA is in place. Your task is to model, optimise and document the design so the final files are ready for rapid prototyping or fabrication. Deliverables • 3D EM models in CST and HFSS, parametrised and fully annotated ...
...Feed. Design a logo, color palate for brand identity, favicons, and logo must include color version, black version, and white version. The bug food is premium all natural without fillers, artificial colors or ingredients. Logo will need to be in one line like Petco, PetSmart, Costco, and others. No AI and No template logos. Must be original. I am picturing the word "Colony" in a thinner font and "Feed" in a wider font for food or gaining weight of the insects. The food is for feeder insects that reptile and pet owners will feed Colony Feed to prior to feeding the insect to the pet. The specific insects this food is designed for is cockroaches and crickets. More specifically Dubia roaches and Banded Crickets. *I want the upper 1/2 of the body showing stomach ...
I need a skilled freelancer to create a broadband antenna design that sweeps frequencies from 80 MHz to 5 GHz and simulate its electric field strength at a point 300 mm away using EMPro by Keysight. Key requirements: - Broadband antenna covering 80 MHz to 5 GHz. - Simulation of electric field strength caused by the antenna at specified distance. - Work exclusively in EMPro by Keysight. Ideal skills: - Experience with broadband antenna modeling and simulation. - Proficiency with EMPro software and electromagnetic field analysis. Please share relevant work samples and briefly outline your approach!
I need an RF engineer to review an existing RF schematic for a 433 MHz / 470 MHz shared-antenna switch design. The current schematic already includes the main RF chain components, and I need someone to verify the design before schematic lock. Scope of Work: -Review the current RF schematic for the 433 MHz / 470 MHz shared-antenna switch design. -Check the switch logic around the SKY13405-490LF RF switch. -Review the detector path using the MAX2204. -Check the amplifier stage using the MGA-53543. -Review the existing BPF-C495+ filter chain. -Build an initial RF simulation plan in Keysight ADS. -Verify expected RF performance, including: -Use datasheet models, S-parameter files, or equivalent RF block models where available. -Propose practical corrections ...
...controller. The PCB/PCBA boards are already designed and manufactured by JLCPCB. The firmware file is also ready. This project is not for PCB design and not for firmware development from scratch. The main task is physical assembly, firmware flashing via USB-TTL, and basic bench testing. The final goal is to prepare 5 working pilot units in the correct order: Milestone 1: Assemble, flash and test 1 pilot unit first. Milestone 2: After the first unit is validated successfully, assemble, flash and test the remaining 4 units using the same process. Scope of work: * Mount the PCB/PCBA into an IP65/IP66 enclosure * Connect the external Wi-Fi antenna * Prepare simple 24V DC input wiring * Prepare output wiring for Relay / PhotoMOS / Open Collector * Flash the firmware via ...
I need a static structural analysis of an antenna using Ansys FEM. Ideal Skills: - Proficiency in Ansys FEM - Experience with static structural analysis - Background in mechanical engineering or related field - We need analysis of the Antenna Structural stability against wind load of 45 km/Hr. No need of Stress etc. analysis. Please provide previous work examples.
...inch footprint, leaving enough clearance for an enclosure that is already in progress. Here’s what I’m expecting from you: • Complete schematic capture and PCB layout in your preferred professional tool (Altium, KiCad, or Eagle are all fine). • Well-routed RF section that maintains antenna performance and meets FCC pre-compliance guidelines. • Gerber, drill, and pick-and-place files ready for fabrication. • A concise BOM with part numbers that have strong supply-chain availability. • Brief design notes highlighting impedance-controlled traces, power-plane considerations, and any test-point placement you recommend. If you’ve taken similar consumer devices from concept to production—especially those with integrated...
Project Description: I am looking for an experienced electronics design engineer with a background in Nordic Semiconductor SoCs to develop a compact, high-efficiency PCB for a motion-tracking sensor node. Hardware Requirements: MCU: Nordic nRF52810 (BLE 5.0 SoC). Sensor: STMicroelectronics LIS2DW12 (3-axis accelerometer, ultra-low power). Memory: Winbond (1024Mb SPI Flash) to store 30 days of data at 12Hz. Power Source: CR2032 or CR2050 Coin Cell Battery (Design must be optimized for low peak current/high internal resistance). Antenna: Integrated PCB Trace Antenna or Ceramic Chip Antenna (with impedance matching network). Required Deliverables: Full Schematic: (PDF and source files). PCB Layout: 2-layer design, compact form factor (approx...
...various frequencies for a end fed type fibre glass antenna. Needs to be under 1.4:1 over complete band for any given band, even less is better The incoming feeder is RG213 rated power 150w (but if more then even better) internally the dipoles are manufactured from brass tubes (BRASS TUBE 7/16" x 22swg CZ108) and connected with RG174 with a DC short, the dipoles need to be exact length so that they radiate properly Happy for a similar redesign if it makes manufacturing easier, and design needs to be easily repeatable. Will also need the estimated radiation pattern We have the bands as (each is a separate design), if each one can do a wider band even better 118-136 145-165 150-170 155-175 380-430 420-470 470-530 Would be happy with the design of one...
PCB Design Requirement Document Project: ARC LABS Smart Home Automation Controller About Us ARC LABS is an IoT and Embedded Systems company focused on developing commercial smart home and Industrial IoT products. We are looking for an experienced PCB designer who can help us develop a production-ready smart home controller PCB. ⸻ Project Scope Design a compact, reliable, and manufacturable PCB for a WiFi-based Smart Home Automation Controller. The PCB should be suitable for commercial production and comply with standard PCB manufacturing guidelines. ⸻ Hardware Requirements Main Controller * ESP32-C3 or ESP32-S3 (preferred) * USB Type-C programming interface * Auto reset and auto boot circuitry Power Supply * 230VAC to 5V isolated SMPS * 5V to 3.3V regulator * Ove...
I want to design a high gain antenna. Even amplitude excitation leads to side lobe levels no better than -13.26 dB. I want uneven amplitude excitation using chebyschev distribution. Also, cross polarization should be less than -40 in all phi cut.
...wetlands, deserts and anywhere in between. The design must show me exactly how to bring reliable power up the mast and how to keep a continuous data link through Wi-Fi or cellular equipment. Please specify components, mounting methods, conduit routing, grounding, lightning protection, and any weather-hardening treatments so the whole assembly remains stable through wind, temperature swings and high humidity. Deliverables I expect: • Scaled CAD drawings (plan, elevation, and sectional views). • Bill of materials with suggested part numbers and weather-rated finishes. • Electrical and low-voltage schematics covering AC feed, PoE (if used), and surge suppression. • Connectivity layout that accommodates dual radios (Wi-Fi + LTE/5G), antenna placemen...
...inner cut-out must remain at least 54 mm, leaving the 19 mm wide ring as our only real estate. Please respect the antenna keep-out zone on the outer edge of the module. Inside that narrow ring we still need to route: Quectel L80 GPS on UART, a MAX98357A audio amp over I²S, a DS3231 RTC on I²C, an SPI-driven MicroSD slot, and a single raw copper touch pad positioned on the perimeter. Power comes from a USB-C connector that sits on the edge; horizontal or vertical placement is fine as long as it follows the board outline and brings out both 5 V and a regulated 3.3 V rail. You may work in EasyEDA or KiCad—either format is acceptable. Please apply the board house’s standard design rules so the file set uploads and clears JLCPCB’s automated DFM che...
