Microcontroller Jobs

# Prototype Brief — Handheld Force-Sensing Probe ## Summary I need a working prototype of a small handheld instrument that measures the contact force applied through a thin rigid probing tip. When the tip is pressed against a surface, the device reads the applied force in real time and signals when a target force is reached. All sensing and electronics stay inside the handle; the tip itself is a slim passive pin. This is a proof-of-concept prototype, not a finished product. Priority is a fast, cheap, working demonstration. ## How it works (concept) - A thin, rigid probing tip is mounted on a shaft. - The shaft is free to slide a tiny amount (roughly 0.1–0.3 mm) inside the handle against a light preload spring. - Pressing the tip transfers axial force to a force sensor housed...

This is a hardware development project. I require a fully functional working prototype, not a simulation, research paper, or theoretical design. The final deliverable must demonstrate ultrasonic TOF measurement on small non-ferrous metal components through a working prototype and demonstration video. I need help taking a lab-bench concept for measuring ultrasonic wave velocity and turning it into a rugged, handheld instrument that works reliably on Platinum, Silver, Nickel, and brass samples. The core tasks include designing the full analog front-end (pulser/receiver, low-noise pre-amp, gain control, anti-alias filters), selecting and driving the piezo transducers, and implementing a precise time-of-flight algorithm in an embedded platform. I am open to ARM, DSP, or FPGA solutions as ...

I have a 16-channel relay board that must be driven by an Arduino. Each of the sixteen micro-switch inputs will correspond to one—and only one—relay output. When a switch is pressed the matching relay should energise for a fixed pulse of 2-3 seconds, then drop out automatically; there is no need for the user to alter that timing. Here is what I need from you: • Clean, well-commented Arduino sketch that reads the 16 discrete inputs, debounces the switches, and fires the appropriate relay for the required duration. • Pin-mapping and a simple wiring diagram so I can connect everything without guesswork (I will be using a common 16-relay module that accepts active-LOW signals, but please keep the code flexible enough to invert logic if needed). • Guidance on a...

​"Hi, I want to place an order for a premium, custom High-Power Mono Amplifier PCB design. This amplifier will be installed on a tractor and needs to be completely rugged, high-performance, and bulletproof. It will mostly drive heavy loads like four 12-inch or two 16-inch woofers, but it must also safely drive small 4-inch speakers without burning them out. ​Please design the PCB combining all the following specifications into a single layout: ​Power & Architecture: High-Power Mono Amplifier using a Dual-Supply (+VCC, GND, -VCC) topology, capable of handling around ±35V to ±45V DC input. ​Output Stage: 4 Power Transistors in total -> 2x 2SC5200 (NPN) and 2x 2SA1943 (PNP) connected in parallel for high current and deep bass. Driver stage should use BD139 and BD140....

I have an online electrical and safety course that shows more 100 separate modules still outstanding. Everything is already built—short videos followed by a quiz in each section—so the only job is to work through them until the platform records every module as 100 % complete. You will receive my login, move at your own pace, and mark each quiz successfully. No writing, design, or extra content is needed; I simply need the course dashboard to read “completed” across the board. When you are done, send a quick screenshot or export of the completion page so I can keep it for my records. That’s all there is to it.

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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 need a working human-computer interface that can both pick up and broadcast data over Bluetooth at the highest speed the protocol allows. The data flowing through it will be full-rate cellular communications data rather than simple audio or text, so throughput and low latency are critical. On the input side the unit will read Qi energy and Acu-meridian energy via harness-style skin contacts. Those raw sensor signals have to be conditioned, digitised and pushed straight to a tablet over Bluetooth without noticeable lag. In the opposite direction the tablet will be able to transmit control or stimulation patterns back to the interface just as quickly. The job covers hardware design, embedded firmware and a basic demo app for a tablet or computer: • Hardware: schematic, PCB layout an...

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 based on provided ...

I am seeking a detailed quotation for the complete hardware design, manufacturing package, and optional firmware bring-up for 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,...

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 platform for remote acce...

I'm seeking an expert in firmware and hardware integration, specifically for radio communication. This project involves developing both firmware and the necessary hardware components. Key Requirement: - Custom Protocol: The firmware must support a custom communication protocol tailored to our specific needs. Ideal Skills and Experience: - Proficiency in radio communication systems - Experience with custom protocol development - Strong background in microcontrollers and circuit design - Knowledge of data acquisition and control systems is a plus Please share your relevant experience and approach to this project.

I'm looking to program instructions into a Graphene Glass using Nanotechnology to handshake with my App.

**Job Title:** Motion Control Engineer / Automation 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 d...

I need a compact Bluetooth mouse engineered from the ground up with four physical buttons, a smooth scroll wheel, and a USB-C port for both charging and optional wired use. Beyond the standard right- and left-click, the two extra buttons have to ship pre-mapped to volume control (up / down or mute / un-mute) yet remain fully re-programmable through companion software or firmware so users can assign any shortcut they like later on. The build should feel as solid as today’s premium portable mice, keep latency low, and work cross-platform without separate drivers. I’m open to Nordic, Cypress, or similar Bluetooth LE chipsets as long as you hit excellent battery life and achieve seamless reconnection after wake-up. USB-C power management and over-the-air firmware update capability...

I’m building a compact pan-tilt head that can be driven remotely with a small camera module and a laser pointer ride on top of it. The primary goal is reliable pan-tilt motion and foundation for future development. Here’s what I need from you: • A motorized pan and tilt mechanism sized for a lightweight camera board and laser diode. • Control electronics (Arduino, Raspberry Pi, or similar—whatever you prefer) with firmware that exposes over serial communication. • A simple desktop or mobile interface so I can jog the rig manually, start/stop tracking, and toggle the laser. • Assembly instructions, wiring diagrams, and commented source code so I can reproduce the build. Acceptance test: demonstrate adequate homing and motion control. If you h...

I need a Raspberry Pi programmed as a vending machine controller using Python. The machine will interface with a coin acceptor, card reader, and product dispenser, and will dispense non-food items. Key Requirements: - Integration with coin acceptor and card reader (nayax) - Control of product dispenser - Python programming Ideal Skills and Experience: - Experience with Raspberry Pi - Proficiency in Python - Familiarity with vending machine components and integration -Will use a MDB Pi Hat from qibixx

Hi I will share the details with the shortlisted candidates. Thanks

Hi I will share the details with the shortlisted candidates. Thanks

I am building a board that needs a compact mixed-signal section dedicated to high-accuracy data conversion. The job is to design the entire ADC/DAC front-end, marrying the sensitive analog path with the supporting digital logic so the output is ready to drop straight onto my main PCB. What I need from you • A complete schematic showing the analog input stage, the chosen ADC and DAC devices, reference circuitry, clocking, and the glue logic that links everything to an MCU or FPGA header. • Component selection with justification, balancing performance, availability, and cost. • Simulations that verify noise, linearity, and timing (SPICE, LTspice, or similar). • A clean, well-annotated PCB layout file (Altium, KiCad, or Eagle—your choice, just tell me up fro...

Project Title Design a Logic Gate Based Non-Programmable Sensor-Actuator PCB — Prototype Development 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....

I need a compact, Linux-friendly suite of command-line utilities written in C or C++ that lets me run deep diagnostics on the following components: • RAM Memory • CPU • HDD & SSD (including low-level write/partition and speed tests) • RF-UNIT support where applicable The tools must be completely CLI-driven so they can slot into existing bash automation. For each utility I also need concise professional usage notes—syntax examples, expected output, and any kernel-module or package prerequisites—so a technician can get productive within minutes. Additional scope items: – Benchmark and stress-test options to reveal peak throughput and thermal throttling on RAM and CPU. – Sequential and random read/write tests on block devices, with sm...

I aim to develop a solution that will facilitate data communication between an Arduino UNO and a SIM7600E using AT+COMMAND. The primary data in focus will be temperature sensor readings. Key Responsibilities: - Setting up a reliable connection between Arduino UNO and SIM7600E - Implement AT+COMMAND for effective communication - Design a protocol for transmitting temperature sensor data Ideal Skills: - Solid knowledge of Arduino - Proficiency in handling SIM7600E - Experience in implementing AT+COMMAND - Understanding of sensor data transmissions. Please ensure you can efficiently deliver on these requirements, and provide the mentioned sensor data communication before placing your bid.

Je souhaite concevoir puis réaliser un système d’irrigation intelligent, connecté en IoT, dédié aux cultures de céréales. L’objectif est de réguler l’apport en eau par irrigation de surface en fonction de données temps-réel recueillies par des capteurs d’humidité du sol et de température. Concrètement, il me faut : • l’architecture complète (choix du microcontrôleur – Arduino, ESP32 ou équivalent –, réseau LoRa/Wi-Fi, passerelle, cloud ou serveur local), • le schéma de câblage incluant électrovannes ou pompes pour l’irrigation de surface, • le code embarqué qui lit les capteur...

Ho 6 Raspberry CM4 che non si accendono e, dopo vari tentativi, sospetto un guasto hardware localizzato sulla scheda madre. Non vedo bruciature, crepe o altri segni evidenti, ma il dispositivo rimane completamente morto anche con alimentatore sicuramente funzionante. Cerco chi possa: eseguire la sostituzione dei componenti difettosi • verificare a banco che il Raspberry torni ad avviarsi e a collegarsi correttamente a rete e periferiche USB Preferisco una soluzione chiavi in mano: mi va bene spedire il dispositivo al laboratorio, purché sia testato prima della restituzione. Accetto anche una consulenza dettagliata se riesci a guidarmi passo-passo con gli strumenti giusti. Forniscimi tempi stimati, metodo di test finale e garanzia sul lavoro svolto.

Briefing do Projeto Estamos procurando um profissional para desenvolver um projeto de um Sistema Ecológico de Reaproveitamento de Água para Hortas Domésticas. O projeto é um protótipo simples, desenvolvido para uma pequena horta doméstica, sem necessidade de atender grandes áreas ou implementar funcionalidades complexas. Objetivo Desenvolver um sistema automatizado utilizando ESP32 que monitore a umidade do solo e realize a irrigação utilizando água da chuva armazenada em um reservatório, promovendo economia de água e praticidade para o usuário. Funcionalidades esperadas - Programação completa do ESP32; - Leitura do sensor de umidade do solo; - Leitura do sensor de nível de...