Microcontroller projects — HireLancer archive

ID / Date Listing

Robot PCB & Firmware Optimization

My motor-driven inspection robot already works, but its electronics and code now need a serious upgrade. The mobile unit talks to a control box through a 100-me...

HL-40350700

Bottle Redemption Automation System Design

Title: Design & Program High-Speed Bottle Counting System (Sensor + Digital Counter) Description: I run a bottle redemption/recycling operation in New York and...

HL-40350730

Air Monitoring System Optimization

I’m upgrading an existing research-grade air-monitoring prototype and need fresh expertise on both its brains and its senses. Right now the unit records basic g...

HL-40350621

Home 4-Way Passive Crossover Design -- 2

If you don’t have experience do not bid. Twice now I’ve had people saying they can do this and no results! I’m putting together a high-fidelity home audio syste...

HL-40350632

Modular RP2040 Factory Equipment Design

I am building a set of compact, plug-and-play factory modules—currently a welder, a mixer, and an extruder—driven by a single Raspberry Pi RP2040 brain. For eac...

HL-40350584

Solenoid Board R&D

I am an intern and I am working on a task that needs 4 solenoids that take 20v in very short pulse to operate. I started designing my own PCB board, but I just...

HL-40350409

Embedded System + PCB + Enclosure for Phone Locking Device

I need an experienced embedded systems engineer to finalize and validate a hardware prototype for a phone-locking safety device used in vehicles. The system inc...

HL-40350341

nRF52840 Sensor Firmware Development

I have a custom wearable board built around the nRF52840 and need clean, production-ready firmware delivered in nRF Connect SDK (Zephyr RTOS). Hardware design i...

HL-40349991

3-Axis Raspberry Pi Camera Gimbal

I need a compact, three-axis gimbal designed specifically to keep a Raspberry Pi camera rock-steady while I capture video footage. The core objective is clean v...

HL-40349858

Diseño Electrónico GNSS-IMU ESP32

Quiero integrar en una sola placa un módulo GNSS RTK de alta precisión, una IMU con acelerómetro, giroscopio y magnetómetro, y un controlador de motor capaz de...

HL-40349762

Motion-Activated Water-Saving Faucet Design

I want to retrofit the faucets in my sinks so that the water starts and stops automatically, cutting waste every time someone washes their hands. My idea is to...

HL-40349613

15-Coil Signal Prototype

I’m building a proof-of-concept that can drive about fifteen miniature coils with freely programmable electromagnetic bursts. The first milestone is to settle o...

HL-40348934

Offline Raspberry Pi Multi-Coin Miner

I need a fully-configured Raspberry Pi 4 SD-card image that boots straight into fast, command-line crypto-mining software and never tries to reach the internet...

HL-40348810

Nintendo Switch V2 Picofly Mod

I have a V2 Nintendo Switch tablet and I’m ready to take it beyond stock capabilities. Specifically, I need a hardware-level installation of a Picofly chip so t...

HL-40348215

5kW Solar Grid-Tie Inverter

I’m developing a proof-of-concept grid-tie inverter that can comfortably sit in the 1 kW – 5 kW class and operate either indoors or outdoors. The unit must do m...

HL-40347664

BOM for Solar Inverter, Firmware & Monitoring App

I need a complete set of development assets for a new hardware product and would like to bundle all tasks into one project. First, I want a clean Bill of Materi...

HL-40346442

Advanced Rain Sampling Microcontroller

I need an advanced microcontroller setup for a sequential rain sampler. The primary function is to detect when rain begins and to manage the collection of rain...

HL-40346062

BOM files with part number create for Solar inverter

I’m putting together a fully-documented Wi-Fi enabled system built around an STM32 microcontroller and I need every piece of collateral wrapped up in one hand-o...

HL-40345656

Custom PCILeech Firmware Development (game dma firmware, vac, eac, faceit)

I’m ready to commission a bespoke firmware build for the PCILeech (leetDMA) card used exclusively on PC. The end goal is a rock-solid, low-latency gaming experi...

HL-40344861

Arduino Butterfly Control Code

I need Arduino Pro Micro code to control a butterfly robot with flapping wings. The robot will be powered by servos and controlled via remote control. Key requi...

HL-40344747

PiSDR Boot & Peripheral Setup

I have a Raspberry Pi 4 that needs to boot cleanly from the current PiSDR image. Once the board is up and proven stable, I want the connected peripherals config...

HL-40343632

Low-Power 8-Bit Multiplier Design using PTL

This project focuses on the design and implementation of a low-power, high-speed, and area-efficient 8-bit signed multiplier using Pass Transistor Logic (PTL) f...

HL-40343559

STM32 Sequential Rain Sampler

I am developing an outdoor, sequential rain-sampling station and want a complete STM32-based solution that I can send straight to manufacturing and field-test....

HL-40343551

Linux I2C Temperature Driver Development

I need a clean, well-documented Linux kernel module in C that supports the TMP102 I2C temperature sensor on kernel 5.x and newer. The driver must initialise the...

HL-40342842

RC Control Station Prototype Development

Subject: Prototype Request – RC Control Station with Large Display (Followed by Bulk Order) Hello, I am developing a commercial interactive entertainment system...

HL-40340557

ESP32-P4 PCB Design

I have a completed KiCad schematic and need an experienced PCB layout engineer to create a manufacturing-ready PCB layout. I will provide the KiCad project file...

HL-40340016

DMA Device – Custom Firmware + Application

I am building a gaming-focused DMA solution that pairs custom FPGA/PCIe firmware with a Windows host application capable of safely reading live game memory—spec...

HL-40339900

IR Hardware Device; access device firmware & select alternate settings. - 31/03/2026 18:57 EDT

I have a commercial IR-band Laser device with two output power Modes: NORMAL or full-power, and TRAINING, or restricted power. These modes are NOT user-selectab...

HL-40339817

AI Bluetooth PCB Firmware Development

I have an AI-integrated PCB that communicates over Bluetooth and is destined for wearable devices. Its core role is automated control of those wearables, with n...

HL-40339764

Enhance ESP32 with Hall Effect Sensor

I'm looking for an experienced C++ developer to update existing code on an ESP32 device. Currently the device operates a pump and fan according to some schedule...

HL-40339696

Sistema di Monitoraggio Arnie con Arduino

Devo realizzare un piccolo sistema, alimentato a batteria, che con un Arduino Uno rilevi temperatura e umidità di tre arnie e dell'ambiente esterno. L'installaz...

HL-40338683

PIC PCB & Firmware Development

I need a complete design for a compact consumer-electronics board that revolves around a PIC microcontroller. The scope spans three tightly-linked parts: • PCB...

HL-40338641

Industrial IoT Firmware Development for Wearable Devices as per CE, FCC & RoHS standers

We are seeking an experienced Firmware Engineer to lead the development of embedded software for next-generation industrial IoT systems. The role involves worki...

HL-40338455

Industrial 1-5kW Hybrid Inverter Design

I need a complete design package for a grid-tie hybrid solar inverter rated anywhere between 1 kW and 5 kW for continuous industrial duty. The unit must seamles...

HL-40338490

Onsite DSP Embedded Firmware for FFT Algo

DSP Firmware Engineer – RPM Measurement (TI C28069) Overview: We are seeking an engineer with hands-on experience in TI C2000 DSP firmware maintenance, for RPM...

HL-40337448

Compact Reusable Camera Engine Development

We are developing a compact, reusable camera engine (the CVE) for use across multiple applications. The CVE is a two-board stacked module that interfaces with a...

HL-40337214

I am looking for an experienced PCB designer to complete routing for my router PCB project.

I am looking for an experienced PCB designer to complete routing for my router PCB project. The design is based on the STM32 Blue Pill (STM32F103C8T6). I alread...

HL-40335760

VaAmi the communication device

I have sketched out Vaami—an elegant, pocket-sized gadget that lets people exchange full voice and text messages anywhere, even across countries, without a smar...

HL-40335085

Siemens PLC Wiring As Per IEC 60617 only in AutoCAD..

I’m moving a complete Siemens-based control package from concept to shop-floor and need the full PLC and SCADA wiring designed and documented to IEC 60617. The...

HL-40334572

Bluetooth Support for Industrial Gauge

Need to add support to a rugged gauge computer so it can process measurements coming from Bluetooth-enabled calipers, micrometers, dial indicators and similar t...