Stm32 jobs

... I will provide the exact sensor datasheet, operating ranges, and the enclosure footprint; you handle everything from component selection to fully-routed Gerber files and production-ready firmware. Key deliverables • Schematic capture and multilayer PCB layout (KiCad or Altium) matching my mechanical constraints • BOM with second-source options for all active parts • Firmware (C/C++ on STM32 or equivalent) that:  – Reads the oxygen sensor via the recommended analogue front end  – Filters and linearises the signal in real time  – Publishes the value over Modbus registers  – Drives two digital outputs based on user-defined thresholds stored in EEPROM • A short build & flash guide plus test procedu...

...Hardware: a complete schematic and compact PCB that takes the receiver’s PPM and feeds two BLDC driver stages. Component selection should balance size, thermal performance, and ready availability. • Firmware: clean, well-documented code that reads the RC signals, maps them to forward/reverse and proportional duty cycle for each BLDC, includes failsafe, and is easy to reconfigure. I am open to STM32, ESP32, RP2040, AVR, or any controller you are comfortable with as long as it remains small. • Validation: a short test report or video proving that both motors track the remote smoothly in both directions, with no jitter or noticeable latency. • Files: complete source code, compiled binaries, PCB Gerbers, BoM, and a brief setup guide so I can reproduce your...

...debugging skills to pinpoint the fault and deliver a clean, reliable flow of data all the way to ArduPilot. You’ll have full access to the C++ firmware on the UWB microcontroller and my current ArduPilot parameters. Mission Planner logs, real-time telemetry, and a reproducible bench test setup are ready to share the moment we start. Key technologies you’ll be working with include: • C++ (embedded STM32-class environment) • Python 3.x on Raspberry Pi 5 • MAVLink 2.0 message packing/parsing • ArduPilot 4.x EKF / ExternalNav configuration • Mission Planner for log inspection and parameter tuning • Decawave-based UWB anchors and tags Deliverables 1. A concise report explaining the root cause of the failure. 2. Updated code or configurati...

...cut-off and, if practical, basic current limiting • A reliable brake function to stop a folding prop cleanly in flight Compact size, light weight and maximum efficiency are important, as the airframe has limited space and every gram counts. Here is what I would like from you: 1. Schematic, PCB layout and BOM (KiCad, Altium or similar) 2. Firmware source code with clear parameter tables (C / STM32, ATMEL AVR or comparable MCU) 3. Simple desktop configuration tool or clear CLI instructions so I can adjust timing, throttle curves and brake strength 4. A brief test report showing the ESC running a small outrunner on 2 S and 3 S packs, confirming smooth throttle, correct brake engagement and LVC activation Deliver the design files and firmware ready for me to order p...

I need a clean, well-documented I2C driver written in C for my STM32 board. The driver must operate in both master and slave modes while staying strictly within the 100 kHz Standard-mode specification. Full read and write transactions are required in each role, including proper start/stop sequencing, ACK/NACK handling, and error recovery for bus faults or time-outs. My current firmware is built with STM32CubeIDE, so the new module should compile there without warnings and slot neatly into the existing HAL-based project structure (pure LL implementations are also acceptable if you explain the integration steps). Deliverables • Source and header files with clear, line-level comments • An initialization routine that lets me choose master or slave at runtime • B...

...(Cs): 3800 pF ± 20% (measured at 1 kHz, 1 Vrms) Resonant Impedance (Zm): ≤ 7.6 Ω Dielectric Loss (Tan∂): 1.5% Note: At 500 kHz, the capacitive reactance is approximately -83.8 Ω. The matching network must cancel this reactance and transform the amplifier's output impedance down to the 7.6 Ω real load. System Architecture & Requirements Digital Control & Signal Generation: STM32 series MCU capable of high-speed ADC sampling and fast SPI. Direct Digital Synthesizer (DDS) IC (e.g., AD9959) to generate a precise, sweepable sine wave around the 500 kHz target. Burst/Pulse envelope control (via VGA like AD8331 or fast RF switching). Appropriate Low-Pass Filtering (e.g., 2 MHz cutoff) post...

...source files that drive the sensor, handle threshold logic, and trigger the alert (sound, vibration, or LED—whichever best fits the space and power envelope) • Complete schematic, PCB layout, and bill of materials so the design can be reproduced • Brief usage guide explaining calibration, normal operation, and how to adjust alarm levels I’m open to your preferred development tools—Arduino, STM32, ESP, or a custom microcontroller platform—as long as the end result stays compact and keeps power draw low enough for everyday wear. Speed matters. I’d like the first working unit on my desk as soon as possible, with interim check-ins or photos to confirm progress along the way. If you have prior experience with radiation detection hardware,...

I need an experienced embedded hardware / PCB engineer to design a production-ready STM32-based main controller PCB for a therapeutic massage/spine bed system. This is a build-to-spec project. I already have a detailed engineering handoff package including system architecture, old PCB references, estimated current budget, pin maps, connector notes, BOM guidance, firmware handoff notes, layout requirements, and test plans. The freelancer’s main responsibility is hardware design and manufacturing outputs: schematic, PCB layout, Gerbers, BOM, assembly files, and firmware-ready hardware documentation. Firmware will be developed separately using AI/Codex/Claude from existing working ESP32 firmware. I will burn the firmware once the board is ready. The PCB must support first firmwar...

Title: Full-Stack Embedded Engineer: KiCad Flex-PCB Design & STM32 Firmware for Capacitive Sensing Array Project Objective: We are prototyping a wearable biomechanics system for a para-athlete runner to measure Vertical Impact Peak (VIP) and asymmetry. The hardware architecture utilizes a custom multi-channel capacitive force sensor array (copper pads separated by a cellular polyurethane/Poron dielectric) embedded in a shoe insole/cleat. We need a full-stack embedded systems engineer to design the custom Flexible PCB layout in KiCad and write the bare-metal C/C++ firmware for an STM32 microcontroller to process the sensor data. Key Deliverables & Scope: 1. KiCad Flex-PCB Layout: - Design a custom-shaped, ultra-thin Flexible PCB (Flex-PCB) insole footprint base...

...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 compatible hardware * Schematic * PCB Layout * Gerber * BOM * Bring-up support ## Required Skills * Drone Electronics * Power Electronics * ESC Design * STM32 * Embedded Systems * PCB Design * KiCad / Altium Designer * BLDC Motor Control * PX4 * ArduPilot * Embedded C/C++ * UAV Systems ## Deliverables * Complete Schematics * PCB Layout Files * Gerber Files * Manufacturing Fi...

...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 platform for remote access. What You'll Be Doing Firmware & Embedded Development Write and maintain firmware targeting STM32 and ESP32 microcontrollers Connect and manage load cells, ADCs, and a range of sensors/peripherals Develop calibration routines, signal filtering, diagnostics, and data-integrity checks Connectivity & Protocols Build robust LoRa links for communication between distributed field units Design custom protocols for both node-to-node and node-to-cloud data exchange Wire up c...

...All results are transmitted wirelessly (LoRa or WiFi) to a mobile device or scoreboard in real time. System architecture: 8 satellite microphone PCBs, each housing one digital I2S MEMS microphone, mounted at fixed positions on a foldable 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. ...

I need an experienced embedded hardware / PCB engineer to design a production-ready STM32-based main controller PCB for a therapeutic massage/spine bed system. This is a build-to-spec project. I already have a detailed engineering handoff package including system architecture, old PCB references, estimated current budget, pin maps, connector notes, BOM guidance, firmware handoff notes, layout requirements, and test plans. The freelancer’s main responsibility is hardware design and manufacturing outputs: schematic, PCB layout, Gerbers, BOM, assembly files, and firmware-ready hardware documentation. Firmware will be developed separately using AI/Codex/Claude from existing working ESP32 firmware. I will burn the firmware once the board is ready. The PCB must support first firmwar...

STM32 BLDC Motor + Heater Controller — KiCad Schematic, PCB, Gerbers & BOM (Production) Project Description (paste this) I need an experienced hardware/PCB engineer to redesign an existing Arduino/IR2104-based motor controller into a production-grade STM32-based controller board using KiCad. Scope: • Full KiCad schematic (multi-sheet) and 4-layer PCB layout • 24V 3-phase BLDC motor control with hall-sensor feedback • Integrated 3-phase gate driver + MOSFET bridge (modern driver preferred) • 24V heater control with temperature feedback and hardware fail-safe • I2C ToF/distance sensor connector (VL53L0X-class) • UART interface to a main controller, incl. UART-bootloader OTA path (BOOT0/NRST control) • SWD debug/recovery ...

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...readers, tags, and microcontroller programming for prototype development. Experience integrating sensors, serial communication, SPI, I2C, and UART peripherals is highly preferred. You should be able to design, test, and troubleshoot both hardware and firmware efficiently. Knowledge of C/C++ programming for Arduino platforms and debugging embedded applications is required. Experience with ESP32, STM32, or similar microcontrollers is a strong advantage. Familiarity with access control, asset tracking, inventory management, or IoT applications using RFID is a plus. This is a remote freelance opportunity with flexible hours and the potential for ongoing projects. Please include a brief summary of your relevant experience and examples of similar RFID or Arduino projects you have compl...

I have an embedded-systems control project that needs a custom STM32 board designed from the ground up in Altium Designer, followed by a working, well-documented firmware build. What I already know: the board must host the STM32 MCU, a cluster of sensors and actuators, an onboard wireless communication module for short-range data exchange, and a solid power-management stage so the whole unit can run reliably from a single DC source. What I need from you: • Complete Altium schematic capture and multilayer PCB layout • Gerbers, fabrication drawings, and a clean BOM with part numbers still in stock • Firmware written in C (HAL or LL is fine) that brings up the peripherals, handles sensor I/O, drives the actuators, and exposes a simple wireless protocol fo...

I am building a network of STM32-based boards that will cooperate as a single, industrial-grade automation platform. The stack must handle real-time sensor acquisition, deterministic control loops, secure cloud connectivity, and reliable board-to-board communication inside a factory environment. Here is what I need from you: • Hardware: reviewed or freshly designed schematics and compact PCBs for several STM32 MCU variants (F4/F7 or H7 families are acceptable) with isolated power stages, industrial-rated IO, and fieldbus interfaces such as RS-485/Modbus, CAN-FD, and Ethernet. • Firmware: production-ready code built in STM32CubeIDE (or compatible toolchains), leveraging FreeRTOS where helpful, with bootloader, OTA update support, and encrypted data exchange (TLS/...

...designs with external boot flash, and routing MIPI CSI-2 camera interfaces with controlled impedance. We have a validated reference design on the same SoC to share as a functional reference. We plan a phased approach (a relaxed dev board first, then the final compact board) and target a market launch in 4–6 months. In your proposal, please include an anonymized example of a past external-boot STM32 and/or MIPI CSI-2 board, your recommended stackup, and an itemized quote. Proposals that skip these won't be considered....

I am building a network of STM32-based boards that will cooperate as a single, industrial-grade automation platform. The stack must handle real-time sensor acquisition, deterministic control loops, secure cloud connectivity, and reliable board-to-board communication inside a factory environment. Here is what I need from you: • Hardware: reviewed or freshly designed schematics and compact PCBs for several STM32 MCU variants (F4/F7 or H7 families are acceptable) with isolated power stages, industrial-rated IO, and fieldbus interfaces such as RS-485/Modbus, CAN-FD, and Ethernet. • Firmware: production-ready code built in STM32CubeIDE (or compatible toolchains), leveraging FreeRTOS where helpful, with bootloader, OTA update support, and encrypted data exchange (TLS/...

I need reliable, production-ready firmware for a new STM32-based device. The work covers everything from bringing up the microcontroller and configuring UART, SPI, I²C, GPIO, and interrupt routines, through to integrating the code into a clean, maintainable project structure. If FreeRTOS will help keep timing predictable we can use it; if not, a lean bare-metal approach is fine—either way I expect tight, well-documented C/C++. You will receive schematics, pin maps, and a high-level communication flow. In return I expect: • Complete, buildable source code (Keil, STM32CubeIDE, or another GCC-based tool-chain—your choice, just state it up front) • A flashed board that passes the agreed functional tests • Clear documentation: compile-and-flash steps...

This project involves taking a new robotic concept from idea to working prototype. I want to collaborate on everything from requirements definition through mechanical design, electronics integration, embedded control, and field testing. Together we will pin down the exact use-case, decide on suitable actuators, sensors, and processors (ROS, Raspberry Pi, STM32, Arduino, or similar), then move through CAD modelling, simulation, fabrication, and software development in C++/Python. The work will run in clear milestones—concept refinement, virtual simulation, hardware build, iterative tuning, and final demonstration—so progress and feedback stay tightly aligned. Please highlight past builds, preferred toolchains, and any domain specialties (mobile platforms, manipulators, v...

...hardware and firmware issues during prototype development. Prepare production-ready design files, schematics, BOM, and documentation. Support prototype testing and manufacturing. Required Skills Strong experience with PCB design and embedded hardware. Excellent firmware development in C/C++ or Rust. Experience with embedded Linux or RTOS is a plus. Familiarity with microcontrollers such as ESP32, STM32, nRF52, or similar. Knowledge of hardware debugging tools (oscilloscope, logic analyzer, etc.). Experience preparing products for manufacturing. Deliverables Complete schematic and PCB design files. Production-ready Gerber files and BOM. Fully documented firmware source code. Test procedures and documentation. Support during prototype validation. Preferred Qualifications Previous e...

We are seeking an experienced consultant to support the development of intelligent e... Experience with microcontrollers, sensors, data acquisition, signal processing, and AI model integration is highly desirable. Responsibilities include evaluating system architectures, assisting with firmware and software design, supporting AI algorithm implementation, reviewing hardware integration, and providing recommendations for performance, reliability, and scalability. Familiarity with STM32, Arduino, Raspberry Pi, Linux, IoT devices, TensorFlow, PyTorch, computer vision, and edge AI applications is a plus. We are looking for someone with strong analytical and problem solving skills who can contribute practical ideas and support technical decisions throughout the complete product developm...

We are seeking an experienced consultant to assist with the design and...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 design skills who can provide practical recommendations and contribute to the complete product development process. This opportunity may lead to long term collaboration for the right ...

We are seeking an experienced design consult...Python, and electronics integration. Experience with sensors, power management, communication interfaces, and system architecture is highly desirable. Responsibilities include reviewing design concepts, evaluating hardware architectures, assisting with PCB and component selection, providing recommendations for manufacturability and reliability, and supporting prototype development. Familiarity with STM32, Raspberry Pi, IoT devices, Linux, automation systems, and hardware debugging is a plus. We are looking for someone with strong analytical and problem-solving skills who can contribute practical ideas and support design decisions throughout the product development cycle. This position may lead to long-term collaboration for the right ...

...manufacturing firm seeking an experienced Electronics and Embedded Systems Engineer to design and program a microcontroller-based control system for an electronic control panel. The system will govern critical machine operations and must be robust, reliable, and designed for an industrial environment. Core Technical Requirements: Microcontroller (MCU): [Specify preferred MCU if you have one, e.g., PIC, STM32, Arduino/AVR, ESP32] or recommend the best fit for industrial stability. Inputs/Interrupts: The system requires 5 distinct hardware interrupts. Logic Levels: The input signals will be coming from standard industrial peripherals (limit switches, thermostats, proximity sensors, etc.) operating at 12V or 0V. The hardware design must include proper opto-isolation or level-shifti...

STM32 Firmware Developer – Modbus RTU Device Integration We have an STM32-based controller that communicates with several industrial sensors over RS485. We are looking for an experienced firmware developer to complete and improve the communication layer. Scope Implement Modbus RTU Master on STM32 Poll 3–5 slave devices periodically Handle communication errors and retries Store device configuration in Flash memory Create UART debug commands for diagnostics Provide clean, documented code Existing Status Hardware is completed STM32CubeIDE project already exists Basic drivers for UART and RS485 are available Deliverables Working firmware source code STM32CubeIDE project Configuration documentation Demonstration video showing communication with devices Requir...

We are developing a custom electronic device that integrates RF communication, STM32 microcontrollers, sensors, power management, and other embedded hardware components. We are looking for an experienced electronics consultant to review our existing design, identify technical challenges, and provide expert guidance on hardware architecture, RF performance, PCB design, and overall system reliability. The ideal candidate has strong experience with RF systems, STM32-based products, embedded electronics, PCB design, debugging, and bringing products from prototype to production. Your role will be to analyze the current design, recommend improvements, help resolve technical issues, and provide practical engineering advice throughout the development process. This is initially a co...

We are developing an industrial mobile platform equipped with: - Mini PC - STM32 controller - LiDAR sensor - Wheel encoders - Ethernet communication We are looking for a ROS2 developer to assist with: - ROS2 integration - Encoder data processing - Odometry calculation - LiDAR integration - Mapping - Localization - Route planning - Area coverage algorithms - Data visualization - Software architecture Required Skills: - ROS2 - Python - SLAM - LiDAR - Navigation2 - Robotics Software - Linux - Path Planning - Sensor Fusion Deliverables: - Source code - Documentation - Installation guide - Testing support The project focuses on software development, mapping, localization and route planning for an industrial mobile platform.

...frequent stops, so regenerative charging during engine use is important; when the motor is running I want the alternator (or a dedicated generator) topping up the pack efficiently without over-charging. Deliverables I must see before sign-off: 1. Block diagram and schematic for the hybrid powertrain, showing sensor placement and controller I/O. 2. Control algorithm flowchart or code (Arduino, STM32, or similar MCU) with threshold values for automatic switching. 3. Bill of materials with commercially available components easy to source in small quantities. 4. Step-by-step integration notes so a competent mechanic/electrician can replicate the build. Provide the package in PDF plus original editable files (CAD, Eagle/KiCad, or code) so I can iterate later....

...attendance device. Main Components - STM32 Blue Pill (STM32F103) - 7" DWIN HMI - Fingerprint sensor - Ethernet (LAN) port - RTC - Micro SD card reader - DC barrel jack power input - Power regulation circuitry - Voltage divider circuits - GPIO expansion headers Detailed BOM and component list will be provided. Scope - Schematic design - PCB layout and routing - Manufacturing-ready Gerber files - Design review and prototype support - DWIN screen UI/page design and configuration - Work with us during firmware development and testing to resolve hardware/software integration issues - Support board bring-up until major functions are operational Responsibilities - You will be responsible for PCB design and DWIN HMI development/configuration. - We will handle the STM32...

...frequent stops, so regenerative charging during engine use is important; when the motor is running I want the alternator (or a dedicated generator) topping up the pack efficiently without over-charging. Deliverables I must see before sign-off: 1. Block diagram and schematic for the hybrid powertrain, showing sensor placement and controller I/O. 2. Control algorithm flowchart or code (Arduino, STM32, or similar MCU) with threshold values for automatic switching. 3. Bill of materials with commercially available components easy to source in small quantities. 4. Step-by-step integration notes so a competent mechanic/electrician can replicate the build. Provide the package in PDF plus original editable files (CAD, Eagle/KiCad, or code) so I can iterate later....

Create a PCB with mosfet power switches for 4 lines (both positive and negative wires), controled by PWM signal (high is on). And current control circuit, to connect to external STM32 MCU. All components must be placed at one side. PCB need to be 2 layers. Power in is single 5-13 volts power supply for all. Max current for single line is 2 Amps. It will newer use more than one line at once. LED indicators for: Green - power in 4 pcs red ones for indicating a power at the output of each power line. Also need to install connectors: 1x JST-SH1.0 7pin connector (Vin/G/Curr/S1/S2/S3/S4) - S1-4 is PWM to control mosfets. Connector need to be installed on one edge of PCB, LED's on second edge, and soldering pads for power outputs on the opposite side to JST-SH connector. Dimens...

I need a complete 6LoWPAN implementation running on an STM32 based node that will be used in automated control systems. The radio transceiver module already embeds the IEEE 802.15.4 PHY and MAC, so your work starts at the adaptation layer upward: building, porting, or custom-writing the 6LoWPAN stack, exposing an easy-to-use API for my application code, and demonstrating reliable mesh communication between multiple nodes in the field. Hardware • Microcontroller: I can work with any Cortex-M0/M1/M2/M3/M4 device, so feel free to target the STM32F0, F4, L4, or whichever family you find most power- and memory-efficient for the stack. • Radio: external module with integrated PHY/MAC; SPI or UART host interface is available and fully documented. Scope of work 1...

Role Overview: We are seeking a highly skilled, hands-on Embedded Systems Engineer to help bu...Bluetooth-controlled smart tire inflator. This is a fast-paced, zero-to-one prototyping project bridging low-level hardware and mobile connectivity. ● Key Responsibilities: Develop firmware in C/C++ (ESP32/nRF52), establish a robust BLE server, interface with analog/digital pressure transducers, program closed-loop automation, and debug hardware/software bottlenecks. ● Requirements: Proven experience with ESP32/STM32, strong C/C++ skills, hands-on BLE implementation, ADC integration, and experience switching high-current inductive loads. ● Deliverables: Flashed working ESP32 script with BLE connection and calibrated pressure reading, tested closed-loop system, and documented wiring schema...

...a Bluetooth link. On the edge we have to handle three record types: sensor readings, diagnostic trouble codes, and operational parameters. Any PGN we do not actively process must be packed efficiently and shipped over Bluetooth for cloud processing, so memory management and timing will matter. If you are comfortable selecting and configuring the right microcontroller tool-chain—Arduino, ESP32, STM32 or another that suits the job—while writing robust, well-documented C/C++ code with crystal-clear CAN filters and Bluetooth LE routines, I would like to work together. I will share the current schematic, parts list and J1939 message matrix once we start; I expect back a reviewed schematic with change notes, fully commented source, and a concise integration guide so my tea...

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Project Overview Design a compact industrial controller that receives data from a sensor through a UART interface and generates a corresponding isolated 4–20mA output. The controller should support future SCADA and PLC integration through RS485 (Modbus RTU) communication and be designed for long-term industrial deployment. PCB Size Requirement • PCB dimensions are fixed at 40 mm × 70 mm maximum • The complete design, including isolation, protection circuitry, RS485 communication, relay interface, display interface, and debugging features, must fit within this size constraint. • If any requirement cannot be accommodated within the specified PCB size, it should be identified during the Architecture & Component Selection phase before proceeding with schema...

Hi, I have worked on numerous KiCad PCB projects involving embedded systems, power electronics, mixed-signal circuits, RF modules, ESP32, STM32, and manufacturing-ready board reviews. I can perform a comprehensive PCB routing review of your KiCad design, focusing on signal integrity, power distribution, grounding strategy, trace widths, differential routing (if applicable), EMI/EMC considerations, thermal performance, creepage/clearance requirements, and overall manufacturability. Review Scope: * PCB routing quality assessment * Power and ground plane analysis * DRC/ERC verification * Signal integrity review * High-current and thermal path evaluation * Component placement feedback * Manufacturing (DFM) recommendations * Connector and footprint verification * Detailed correction ...

...The old design uses PIC18F8722, FT232RL, TDA7465, video switching and RCA outputs. The new design should replace those with STM32 native USB, modern audio DSP/codec, protected coin inputs, modern power regulation, and custom firmware support. This is not an exact clone. It is a modern drop-in replacement using the original schematics as a reference. Key things :- Keep: * Board size: 168mm × 206mm * 6 mounting holes * USB-B position * Existing amp connectors * Mic input * Coin mech interface * IR receiver/service button * J8 motherboard audio input Remove: * RCA sockets * Video matrix * Inverter connection * FT232RL * PIC18F8722 * Old EEPROM Replace with: * STM32 controller * Native USB * Modern DSP/audio codec * Modern regulators * Opto-isolated coin inputs * ...

...test report confirming stable operation over a 4-hour continuous run at the specified rate Acceptance criteria 1. Continuous acquisition at or above the agreed sample rate with zero missed samples 2. Deterministic latency from ADC trigger to data ready < X µs (we will define X together) 3. Clean, MISRA-aware code that passes compilation with ‑Wall and no warnings If this lines up with your STM32 skill set, especially if you are close to Chennai, let’s make this board sing....

...Schematics • PCB source files • BOM with component sourcing • Antenna design files • Embedded firmware source code • Communication protocol documentation • Test reports • Integration guide for Pixhawk/ArduPilot • Manufacturing documentation • Prototype units Preferred Skills • FMCW Radar Development • RF/Microwave Engineering • 24 GHz Radar Systems • Radar Signal Processing • Embedded C/C++ • STM32 Development • DSP Algorithms • Antenna Design • Altium Designer / KiCad • ArduPilot/Pixhawk Integration • UAV Sensor Development Budget Open for discussion based on expertise and deliverables. Please provide: • Relevant radar development experience • Similar projects compl...

Developmental of foc driver for bldc motor (star and delta) winding with 1 POC pcb development with smd componemts for discussed size for using it in actuator • Speed control • Torque control • Position control What I expect from you • Well-structured, thoroughly commented firmware written in C/C++ and ready to compile in STM32CubeIDE • Clarke & Park transforms, SVPWM generation, current/voltage loop handling, and the outer PID loops for speed, torque, and position. • magnetic encoder resolution, minimum 18 or 19 bit resolution and 21 bit if possible (that good) • Clear configuration points so I can retune gains for different motors. • A brief README explaining setup, pin mapping, and how to call your API from my application layer...

...layout ready for manufacture. 2. Firmware: well-commented source code (C / C++ preferred) implementing the FOC algorithm, encoder handling and both communication stacks. 3. PC or microcontroller demo project showing command, tuning and diagnostics over RS485 and CAN. 4. Documentation: setup guide, register map and parameter list so I can retune the driver for other motors later. Experience with STM32, TI C2000 or comparable MCUs, plus hands-on work with high-resolution magnetic encoders, will be a strong plus. All deliverables should build cleanly with mainstream toolchains (e.g., STM32CubeIDE, Code Composer Studio, Keil or equivalent) and be ready for bench testing on a 24–60 V BLDC stage. Once the prototypes pass basic functional tests—FOC lock, smooth commutation...

...prototype must detect at least a 2 % change in conductivity between known aluminium reference standards in an outdoor environment. 2. Logged data must match readings displayed on the handset (±1 % deviation) when imported into the desktop app. 3. All documentation supplied in editable formats. Familiarity with eddy-current instrumentation, analogue front-end design, microcontrollers (e.g. STM32, ESP32), and enclosure prototyping will be key to delivering a field-ready tester that I can take straight into use....

I have a fully working firmware package that was written for an STM32F4 MCU and built in PlatformIO. We are now migrating the hardware to an STM32U5 device and I need the entire project brought across, updated, and verified. Your task is to: • create a new build that targets the selected STM32U5 part, ...bring up the U5 project and confirm identical behaviour on the specified hardware. Compilation must be clean—no warnings promoted to errors—and the firmware should run through the existing self-tests unchanged. Timeline: everything needs to be ready for my bench validation inside four weeks, so please plan to have the code handed over a few days earlier to leave room for feedback. If you’ve done STM32 migrations before and are comfortable working in Platf...

Need Embedded Firmware Developer for STM32/ESP32 OTA Bootloader Project I need an experienced embedded systems developer to help build and/or complete a firmware update solution for an embedded product. Project Requirements: * MCU: STM32F765ZG * Secondary controller: ESP32 * Communication between ESP32 and STM32 via UART * OTA firmware delivery via MQTT and/or HTTPS * ESP32 receives firmware from server/cloud and transfers it to STM32 bootloader * STM32 bootloader should: * Receive firmware over UART * Validate firmware integrity (CRC/checksum) * Store firmware safely in flash * Support bootloader + application memory separation * Jump to application after successful update * Handle failed/incomplete update recovery * Support dual-...

...control firmware. The framework should include: Layered architecture Hardware abstraction layer (HAL) Driver abstraction Middleware layer Application layer separation RTOS-ready structure (preferred) Configurable build structure Important Goal The codebase should remain mostly independent from: Specific MCU vendors IDEs Compiler/toolchain dependencies The architecture should allow migration between: STM32 TI controllers NXP Renesas Other ARM-based MCUs with minimal modifications. Software Architecture Expectations Preferred architecture: BSP Layer HAL Layer Driver Layer Service Layer Application Layer Coding Requirements Embedded C (preferred) MISRA-oriented clean coding style Well documented code Modular reusable drivers Clear API interfaces Separate configuration files Version ...

...of a hardware wallet, but for files instead of crypto keys. Looking for someone to help us put together a working PoC we can demo and test. What we need: Firmware for an ARM Cortex-M based device (we're planning STM32, open to suggestions) Integration with a secure element for key storage (SE05x or ATECC608B) Hardware-encrypted storage (AES on internal flash or external QSPI) Simple UI on a small OLED display with a few buttons USB mass storage interface for file transfer Basic anti-bruteforce protection and secure boot Background you should have: Practical experience with STM32 (HAL or bare-metal, both fine) Worked with a secure element or TPM before — even on a hobby project counts Comfortable with AES, key derivation, basic crypto APIs (mbedTLS, wolfSSL, or...