Microcontroller projects — HireLancer archive

ID / Date Listing

ESP32-Based 18V / 5000A DC Rectifier Monitoring System – Industrial Grade (India Only)

Need a complete hardware + firmware design for a 0–18V, 0–5000A DC rectifier monitoring system using ESP32-WROOM. The system must accurately measure voltage and...

HL-39937174

Variable Vibration Device Prototype

I want a wrist-sized electronic device that does one job exceptionally well: create vibrations—and let me vary those vibrations on demand based on button presse...

HL-39937004

ESP32 SFH7072 Firmware Development

I am interfacing the SFH7072 pulse-oximeter sensor over I²C with an ESP32 and need production-grade firmware that gives me clean, trustworthy data. The first mi...

HL-39936661

UHF RFID Based Student Attendance Gate System (IoT + Cloud Integration)

Here’s a **perfectly optimized project posting draft** for **Freelancer.com**, designed to attract skilled engineers and keep costs low --- ### **Project Title:...

HL-39936081

Hardware e Software para Testador Arduino

Preciso de uma solução completa, baseada em Arduino, que execute testes automáticos em chicotes elétricos recém-saídos da linha de produção e confirme se cada p...

HL-39935554

STM32 RFID & CAN Firmware

I’m integrating an STM32-based board that must both read RFID tags and talk to the rest of the system over CAN. MFRC63003 is the reader. The firmware needs to:...

HL-39933381

FPGA VHDL RTL Simulation

Project: RTL Design and Simulation for FPGA (VHDL) Goal: Develop and verify a complete FPGA RTL design in VHDL, including all core modules and corresponding tes...

HL-39933070

Arduino pcb

Freelancer Request Message (Updated with TFT feature) Subject: Request for Full Design and Documentation – Interactive Force-Controlled Liquid Dispensing System...

HL-39932489

Electro-Osmotic Concrete Drying Design

Electro-Osmotic Drying System – Electronics Specification Electro-Osmotic Drying System – Electronics Specification Client: Frode Evje – Norway Project Scope El...

HL-39928673

Integrate and prototype charging hub

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

HL-39930031

Alphanumeric Smart Lock Prototype mechanical device

I need a working prototype of a mechanical lock that opens only after the correct alphanumeric code is entered on a keypad. The unit must recognise and store mu...

HL-39929868

Arduino Alvik Setup Assistance

I’ve just received an Arduino Alvik robot and want it talking to my Windows laptop for a small educational demo. The hardware is already on my desk—I only need...

HL-39929874

Arduino Alvik MicroPython Installation

I need MicroPython up and running on my Arduino Alvik board from a Windows laptop. The firmware is already sorted, so the focus is purely on installation—flashi...

HL-39929888

Arduino-Python Interface Setupusd

I need a straightforward, working example that shows how to move data between an Arduino and a Python 3 script. I already have the board and sensor hardware on...

HL-39929248

Zephyr Integration for Custom POCO_V3 Board (nRF52833 + DWM3001C UWB Module)

We are looking for an embedded software engineer experienced with Zephyr RTOS and UWB modules (Qorvo DWM3001C) to help integrate and bring up our custom hardwar...

HL-39928883

Improve Existing Circuit Design

I have a functional ESP32 setup that uses a 4×4 conductive matrix (rows × columns) designed to detect cuts. Each intersection represents a “cell” in the network...

HL-39928509

Arduino Portenta Machine Controll PLC

I need someone has expreince with it.

HL-39928579

3-Bit Counter on Zynq

I’m looking for a clean Verilog design that realises a 3-bit synchronous counter, counts in ordinary binary from 0 through 7, and drives a single seven-segment...

HL-39928002

Schematic & PCB Design for MSP430-based Embedded Device

Description: We are looking for an experienced PCB designer to create a compact PCB and schematic for a custom embedded system based on the MSP430 microcontroll...

HL-39927734

64-bit FPGA Pulse Counter

I have to count very fast digital pulses—up to 200 MHz—using a Xilinx XC7S50 (Spartan-7, BGA package). The design must implement four independent 64-bit counter...

HL-39925889

Siemens TA portal and KTP400 HMI Practical Training

Title: Siemens TIA Portal & KTP400 HMI Practical Training (with PLCSim & Factory IO) Project description: I am looking for an expert to provide practical online...

HL-39925760

create a functioning charging hub

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

HL-39925800

Integrate and prototype charging hub

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

HL-39923795

Charging Hub Integration & Prototype

I have an existing product design that needs a versatile, all-in-one charging hub built in and a cable that comes with it. Your task is to engineer the electron...

HL-39923762

PCB designing

More details: Design A PCB having capability of gps, microphone, GPRS connectivity, battery point. Similar to A9G module.

HL-39923153

Multi-Device Temperature Control Design

I need a practical temperature-control solution that can independently drive: • 1–2 ventilation fans • 2–4 split or package AC units • An emergency light circui...

HL-39922604

Medium Payload Delivery Drone Design

I’m ready to move from concept to working prototype for a custom UAV that can reliably carry a 2–5 kg payload for last-mile delivery. My priority is a well-engi...

HL-39921431

Smart Proximity-Based TV Interaction Device

Project Summary (for Engineer Evaluation) I’m looking for an engineer who can design and prototype a small smart electronic device that connects to a TV and int...

HL-39921003

ARM LCD Telemetry Board Design

I need a compact embedded board built around an ARM Cortex MCU that can capture serial data, process the GPS strings it receives, and present key values on a 10...

HL-39920582

PIC16F690 Adjustable PWM Firmware

I need a ready-to-flash MPLAB X project for the PIC16F690 that creates two complementary PWM outputs driven by on-board ADC readings. Core behaviour • Frequency...

HL-39918931

Arduino PIR Dimmer Upgrade

I have a basic sketch that switches a light on for five seconds whenever my PIR sensor spots movement. It works, but I now want smoother control over the lamp’s...

HL-39918850

Smart PCB Water Leak Detector

I need a compact yet powerful PCB that listens for underground water-burst signatures (1-3 m deep) with a piezo-disc ground microphone, analyses the acoustic an...

HL-39918901

Install Chasing-Your-Tail on Pi

I’d like Chasing-Your-Tail-NG from the ArgeliusLabs repo running on my Raspberry Pi 3 B with its stock settings. All the hardware is already wired and ready, so...

HL-39918888

Wedding Ring Proximity Effect FOR ROBLOX

I need a system that activates a visual and auditory effect when two wedding rings come close together. This effect is intended for the wearers of the rings, en...

HL-39917526

Android Meeting Voice Recorder Prototype

I need a basic proof-of-concept for a portable voice-recorder that is optimised for meetings and pairs with a simple Android companion app. Hardware • Suggest a...

HL-39916803

STM32 & DWIN UART Float Transmission

I need a freelancer to help with UART float data transmission using an STM32F103C8T6 microcontroller. The float data consists of control commands, and we're usi...

HL-39916715

Poropopoporopopo

Viajes con familia en avion i playas

HL-39916553

Offline Voice-Control System for Wheelchair

I need a working firmware prototype that turns the ESP32-Korvo V2 into a fully offline voice interface for a motorized wheelchair. Using the on-board microphone...

HL-39916396

Tinkercad Parking garage Counter with LED's using digital Logic

I need a straightforward digital-logic parking counter built and shared in Tinkercad. The circuit must sit on a virtual breadboard—no programmed microcontroller...

HL-39916011

F7 Flight Controller PCB Design

I’m building a custom flight controller around an STM32 F7 and need a complete PCB design ready for fabrication. The board must seamlessly integrate: • GPS modu...