Microcontroller projects — HireLancer archive

ID / Date Listing

Simple DAC Integration on PCB

I have a simple, already-routed PCB that needs one last feature before I can send it to JLCPCB: a single-channel digital-to-analog converter (DAC) capable of dr...

HL-39859686

Miniaturized Medical Device Development

I’m building a wearable, battery-powered device that treats urinary incontinence by driving a micro-stepper screw mechanism. The work is split into two closely...

HL-39859611

Wearable Medical Device | Electronics System Architect

I am outlining a new, ultra-low-power wearable that centres on health monitoring. The core features I must enable are continuous heart-rate, blood-oxygen (SpO₂)...

HL-39857015

Rancang Lampu Otomatis Sensor Cahaya

Saya ingin memasang lampu otomatis di garasi atau gudang saya. Lampu harus menyala secara otomatis saat cahaya di ruangan turun di bawah tingkat tertentu, lalu...

HL-39856674

Raspberry Pi Robotic Arm Prototype

I already have a CAD model for a patent-pending device, and now I need to turn that static design into a working proof-of-concept driven by a Raspberry Pi. Your...

HL-39856323

FPGA RISC-V CNN Accelerator

I need a RISC-V co-processor that plugs into my existing RISC-V core and dramatically speeds up convolutional layers in a CNN inference pipeline. The sole metri...

HL-39854605

Servo Motor Firmware Development

My project centres on a microcontroller dedicated to precise servo-motor control. The basic hardware is already on the bench; what’s missing is reliable, well-s...

HL-39852545

ESP32 Dual-Power Smart Switch

I need a compact ESP32-based controller that will sit between my main grid supply and a solar array, sense which source is available, and automatically transfer...

HL-39852225

Lighthouse R7 ER Screen Maintenance

I need an audio-visual technician who genuinely knows the older Lighthouse R7 ER LED screens and their companion Lip XGA processor. The gear is still performing...

HL-39851583

Firmware STM32F407 en C/C++

Necesito desarrollar el firmware completo para una placa basada en STM32F407. Ya cuento con el diagrama de bloques y la especificación funcional; los compartiré...

HL-39850576

CircuitPython Microcontroller Board Setup 1

Hi i need a key mapper I'm doing some tests the simpliest though most complex thing i could think of is doing a keyboard outputs from a amplitude + frequency fr...

HL-39850909

Modbus Relay Board Development

I need a Modbus relay board that can control 8 relays remotely using the RS485 protocol. Have a protections built in Key Requirements: - Ability to control rela...

HL-39848474

ATmega32 BMI Firmware Enhancements

My BMI application already runs smoothly on an ATmega32, but it needs to grow. I want the firmware extended to accept rich, custom user-data input (think age, g...

HL-39845284

KiCad Industrial Control PCB Design

CAD: KiCad v9 Stack-up: 4-layer minimum (Signal / GND / Power / Signal). Use 6-layer only if routing/thermal demands. Temp rating: Operate −40…+105 °C (select 1...

HL-39847904

Optimize ESP32 BMI Timing

I have an ESP32 project with a TFT display that measures BMI (Body Mass Index). The code is working, but there’s a timing issue during the measurement phase. Cu...

HL-39847055

PID en Atmega para Incubadora

Cuento con una placa ATmega ya cableada y necesito el firmware que implemente un controlador PID capaz de mantener la temperatura interna de mi incubadora avíco...

HL-39845260

Siemens PLC Programmer

I'm looking for an experienced PLC programmer to automate a production line using Siemens PLCs. Key Requirements: - Proficiency in Siemens PLC programming (S7-2...

HL-39844989

Fix DS1307 RTC Malfunction

The DS1307Z real-time clock on my custom PCB stubbornly reports nonsense values—think 00:00:80—and refuses to accept new time or date settings. Everything else...

HL-39845016

High-Speed Data Transfer FPGA Development

I am seeking an experienced FPGA programmer to develop a custom hardware acceleration solution for high-speed data transfer over Ethernet. Key requirements: - D...

HL-39844759

Interactive Motorcycle Display Animation

I have a custom motorcycle display that I’d like to bring to life. The moment the bike “starts,” I need three things to happen in perfect sync: 1. The tail ligh...

HL-39844123

NFC Pressure Sensor PCB Finalization

I already have a working proof-of-concept for a tiny, battery-free pressure sensor that sits on a flexible PCB and chats with a coin-sized rigid reader board ov...

HL-39844017

Realizar actualizacion de software y hardware de mi equipo

Tengo un equipo de inspección de tuberias ,el cual dispone de pcb ,y software propio. Quiero realizar una actualizacion de las pcb ,la programacion y el softwar...

HL-39844075

Embedded System Developement

I’m building an Arduino-based device that brings together multiple sensors, motion components, and wireless modules, all coordinated through a clean UART link....

HL-39843986

12V Modbus RTU Controller Development

I'm looking for an experienced developer to create a 12V Modbus RTU controller with an RS485 interface for a Linak actuator. The controller should be capable of...

HL-39842218

STM32H743II LCD Driver and Flash Optimization with LVGL Integration

I am a PCB designer with 7 years of experience and have developed a custom board based on STM32H743II, attached to an lcwiki 7-inch IPS LCD. Board Specification...

HL-39842105

ESP32 UPI Vending Integration

I’ve already built the core vending-machine electronics on an ESP32 and now want to complete the payment side so customers can pay seamlessly via UPI. My own fa...

HL-39841152

ESP32 Smart automatic changeover swtich

I want a clean, well-commented firmware project for an ESP32 that will drive two core functions in my home-automation setup: it must switch my lighting circuits...

HL-39840541

iot and pcb design

About the Role We’re building smart hardware products and are looking for someone who enjoys working at the intersection of electronics and coding. The role wil...

HL-39839623

Firmware Development for Premium Motorsport Device

We’re building a premium motorsport device. We need a hands-on firmware freelancer to help bring our first prototypes to life and then carry it through to produ...

HL-39839441

USB-C Hub Prototype Development

Project Title: Active USB-C Hub Prototype Development Location: Remote (Immediate Start) Engagement: Contract (Project-based) Start Date: Immediate Duration: 2–...

HL-39838419

Custom High-Power Linux PCB Design

I’m commissioning a ground-up single-board computer that boots mainstream Linux and is purpose-built for embedded systems which need serious processing muscle....

HL-39837594

Optimize STM32H7 GPIO Output Speed

I need small STM32H7 firmware that outputs data from RAM to a GPIO pin as fast as possible. We have 1 pin for data and 1 pin for clock. The data must be present...

HL-39837160

Ford Cluster File Decryption

I have a single Ford instrument-cluster dump that I can’t open. The file itself is healthy, yet any viewer treats it as an unreadable “.jpg”, which tells me the...

HL-39836694

Magnetometer LED Alert System

I already have the hardware on my bench— an HMC2003 board, an NVE ALT-0021 board, an OMGS3 ESP32 board and the accompanying analog-to-digital converter. What I...

HL-39836328

Arduino Blink on ATSAMD21J15

I have a custom-built PCB centred on the ATSAMD21J15 and I want to prove it alive with the classic “blink” sketch from the Arduino IDE. From many previous attem...

HL-39834902

Finishing a project on WAVESHARE ESP32-S3 Touch LCD 7"

I’m looking for someone to help me finish a project based on the Waveshare ESP32-S3 Touch LCD 7". The graphics part is already done, but the touch functionality...

HL-39834527

Cold Water Flush Unit Electronics Design

Scope of Works – Electronics Development for Cold Water Flushing Unit Project summary The requirement is to design and develop the electronics system for a comp...

HL-39831658

OCPP 1.6 Integration Specialist

I'm seeking an expert to integrate OCPP 1.6 with both AC and DC fast charging stations. The integration should support the following functionalities: - Remote S...

HL-39830743

Pci-e wifi 7 + wigig + bluetooth kártya

Nyák tervezés és minden fájl ami kell a gyártáshoz és driver Windows-ra, Linux-ra, Androidra. Pci-e 4.0 x16 kártya: wigig 802.11ad/802.11ay 176gbps 4x4 mimo, wi...

HL-39830619

PIC Microcontroller Code Development

I'm seeking an talented embedded systems developer to create modify C code for a microchip dsPIC 16bit controller. Used for extremely high speed switching using...