Arduino projects — HireLancer archive

ID / Date Listing

SCX Digital Car PCB

The task is to design a compact PCB that drops straight into an SCX 1/32 car so it can run on a digital track. I want the board to read the track’s reed-sensor...

HL-40221636

Raspberry Pi Solenoid Trigger Script

I need a concise Python 3 script that will run on a Raspberry Pi 5 and do the following: • Watch a single GPIO input line for the HIGH digital signal coming fro...

HL-40221004

Interactive Plush Toy Prototype Development

Project: ESP32-Based Talking Plush Toy – Prototype Development Project Overview I’m building a screen-free talking plush toy for kids (3–7 years). The goal is t...

HL-40220552

Ebike Throttle Limiter Circuit Check

I need an ebike throttle limiter that sits between the ebike throttle ( running 5v red, black (gnd) and white control wire and its controller : (DO NOT CUT thes...

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Bluetooth HAM Radio Audio Bridge

I want to build a compact, two-way Bluetooth audio interface for a HAM radio. The core goal is a 2-way bridge between the radio and a realtime camera running on...

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DMA 1:1 Emulated Firmware

I'm seeking a skilled developer to create fully emulated firmware for a DMA card. Requirements: - Supports Windows 11 - Fully emulated PCIe device (Private 1:1...

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SLC500 to Click PLC Migration

I'm seeking an experienced PLC programmer to convert my existing SLC500 process control system to a Click PLC. The SLC500 is obsolete, and I need to ensure cont...

HL-40217133

Arduino Solar-Tracking Robotic Arm

I’m developing a small “suiveur solaire” that pivots a solar panel like a robotic arm. The build is Arduino-based and must deliver three key capabilities: • Obj...

HL-40216840

Shopify Revenue Wi-Fi Counter

I want the running total revenue from my Shopify store to show on a Wi-Fi-enabled physical counter that sits on my desk. The job is to build the small bridge be...

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Lock and PMS Integration for Hotel P

We are a hotel using a specific electronic door lock. We need to integrate these locks with our Property Management System (PMS) to automate keycard management....

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PIC PCB & Firmware Designer

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

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IoT Air Quality PCB Design

I have an air-quality monitor prototype on breadboard and now need a production-ready PCB. The core of the board will be an Arduino Nano, linked to Wi-Fi for cl...

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Tulis 10 Artikel Elektronika

Saya ingin 10 artikel bertema elektronika yang ringan dibaca namun tetap akurat. Total pembagiannya: • 3 artikel Robotik (contoh: cara membuat robot line-tracer...

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PIC PCB & Firmware Design

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-40213233

Toy Prototype Development: Mechanical Engineering & Raspberry Pi -- 2

I need help building a working prototype of a small interactive toy. The prototype requires: A pop-up mechanism (using solenoids, springs, and/or small motors)....

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Mechanical Reptile for Science Project

I'm looking for a skilled engineer or roboticist to create a mechanical reptile for a school science project. The primary function of this reptile is movement,...

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STM32H7 UART to UDP Bridge Development

Overview I’m looking to develop a robust UART to UDP bridge on STM32 for handling large binary frames and NMEA data. The aim is to enhance data transmission rel...

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Gimbal Sensor Fusion Firmware Upgrade

I already have a working PCB built around an Xsens MTi-630 IMU and an NXP MKV56 microcontroller. What I need now is a technician who can revise the existing fir...

HL-40211983

Laser Tag Prototype Development

I'm looking for a simple laser tag prototype using ESP32 and IR technology. This is for concept testing, not a final product. Essential features: - Scorekeeping...

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ESP Device Detection System

The goal is straightforward: as soon as an ESP device is present—whether connected over Wi-Fi or broadcasting in monitor mode could be spotted in hidden places

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OTA Dual-Bank STM32 Update System

ATLANTIS OTA UPDATE SYSTEM – DEV PROMPT (WIFI TEST FIRMWARE) Objective Implement a production-grade OTA firmware update system for Atlantis controllers that is...

HL-40209900

Robotics Development Board Design

I'm looking for an experienced hardware engineer to design an educational robotics board based on the ESP-WROOM-32. This board is intended for prototyping and d...

HL-40209197

Custom Autonomous MiP Robot Upgrade

I want to turn my stock WowWee MiP into a fully-independent companion with far more capability than the original phone-controlled toy. The big push is to give i...

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Robust Expert AI Model Training (On-Prem Healthcare Interoperability Vibe Coding)

We are looking for a Senior AI/ML Engineer (LLM Training and Deployment). We are building Health Model, an on-prem "Robust Expert" LLM that generates healthcare...

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Unified Embedded Sensor Firmware

I have several separate Arduino-based projects combined into one bigger project. The firmware is roughly put together, but needs properly finished. The project...

HL-40207372

creating a schematic in Kicad or Eagle for a schematic taken from a photo

I'd like to create a schematic and PCB layout that I can use to print from a photo I have. The layout is based on an ATmega and an ESP32, along with a servo con...

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IGBT Welding Inverter Firmware

I have a production-ready, IGBT full-bridge welding inverter that already powers both TIG and MMA processes, yet the embedded side still needs a final expert pa...

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PID Control Simulation & Analysis -- 2

Need tutor for the group design project Tool and everything mentioned in the Pdf file i will need professional academic tutor who can handle project perfectly p...

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Remote Control of Stepper Motors with Joystick

I need help setting up two Nema 17 stepper motors to be controlled remotely via two ESP32 boards. One board will be in the remote and the other in the receiver....

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Electrical Engineering Project Support

Assalam o alaikum, I am looking for electrical engineers having expertise in following areas:  Embedded C Programming.  VHDL/Verilog, Quartus/VIVADO, LabVIEW/...

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Sensor-Driven LED Control Design

• I need an automatic LED control solution that switches my lights according to two conditions: ambient daylight levels and nearby motion. In practice, that mea...

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IoT/Electronics Trainer Needed for 10 Short Demo Videos (Arduino/Raspberry Pi)

I am looking for an electronics hobbyist, student, or trainer to create 10 short practical video tutorials (8-10 mins each) on basic IoT/Electronics topics. Pro...

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Python Siemens PLC Communication

I have a Siemens LOGO PLC on my network that speaks Modbus-TCP and I need a clean, well-commented Python script that can both read from and write to its registe...

HL-40201367

Pakistani PCB Design Experts

I need a seasoned PCB designer located in Pakistan who can take a concept right through to production-ready files. The boards you create must interface reliably...

HL-40201410

Fresh Pakistani Electrical Engineers

I am assembling a pool of recently-graduated electrical engineers from Pakistan who can jump straight into hands-on circuit design, MATLAB/Simulink modelling, a...

HL-40201033

ESP32 MQTT LED Text Display

I am setting up an ESP32 to drive an LED display and need reliable firmware that shows plain text messages received over MQTT. The messages will arrive in JSON...

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PID Control Simulation & Analysis

Need tutor for the group design project Tool and everything mentioned in the Pdf file i will need professional academic tutor who can handle project perfectly p...

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Intelligent Charger Development

45w Intelligent dual port charger

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Senior Omron PLC Integration Developer

I’m rolling out a new control strategy and need a seasoned Omron PLC specialist who can make the controller talk fluently with the rest of our plant-wide softwa...

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Computer Vision Overlay and Gamepad Integration

We are seeking a highly experienced freelancer to help perfect real-time transparent computer-vision overlays and a vGamepad / joystick-based targeting system d...