Raspberry Pi Solenoid Trigger Script -- 3
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...
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Raspberry Pi Solenoid Trigger Script -- 4
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...
Read moreEasyEDA ESPRESSIF ESP32-C3 PCB Design
PORTUGUESE: Preciso de um profissional para desenvolvimento de PCB no EasyEDA (schematic + layout) utilizando o módulo ESPRESSIF ESP32-C3 (C2838500) - https://w...
Read moreDouble Layer PCB Design + Gerbers
I have a consumer-electronics concept that centres on a single microcontroller, and I need a complete double-layer PCB designed from schematic capture right thr...
Read moreSingle-Phase Electrical Drawings
I need detailed electrical drawings, specifically single-phase circuit diagrams, incorporating specific symbols I'll provide. Requirements: - Expertise in creat...
Read morePCB Design for Suspension Emulator
I am developing an automotive electronics module whose purpose is to electronically emulate the factory suspension feedback system in a vehicle. The module’s fu...
Read more190 mm Circular LED MCPCB
I need a single-layer metal-core PCB that is perfectly circular with a 190 mm diameter and will hold 21 high-power LEDs with the following details: We have a re...
Read moreDevelop Drone Pollution Sensor Pod
I want to fly a DJI Mini-class drone while streaming real-time air-quality data straight into my cloud dashboard. The brief is to design and hand over a fully w...
Read moreHelp with Bluetooth speaker kit troubleshooting wireless charging issue
We have developed a Bluetooth speaker kit for students to assemble. The kit consists of a Bluetooth speaker module with one 3.7V Li-ion rechargeable battery. Th...
Read moregyroscope mpu6050 with attiny mcu circuit
I am looking for a circuit for gyroscope (mpu6050) with attiny mcu
Read moreRefinement and Construction of Sound Circuit Board
Design and build a circuit board to make machine gun sound by pushing a button. I have the basic design but it needs to be refined and then built. I am looking...
Read moreElectrical Layout Excel Spreadsheet
I need an Excel spreadsheet to track electrical circuits. The spreadsheet should include: - Circuit Number (in numeric format) - Amperage - Reading Number - Des...
Read moreESP32-S3 High-Frequency Tachometer
Help me solve something multiple freelancers havent been able to. I need a rock solid circuit that reads a pulse from a wire wrapped around a spark plug wire of...
Read moreESP32-Based Router Board PCB Design
I need an experienced PCB designer to convert my fully working and tested hardware prototype into a final production-ready single board PCB. Complete handoff do...
Read moreTCD1304 CCD Sensor FPGA
TCD1304 CCD Sensor FPGA Project I am looking for a skilled freelancer to assist me in designing a TCD1304 CCD sensor FPGA project. The project requires the foll...
Read morePCB Design with ESP32 and LiFePO₄ Backup
This project involves designing a robust, production-ready PCB integrating an ESP32 module with a wide input power range of 5V to 60V and a single-cell LiFePO₄...
Read moreESP32 PCB Design Verification Needed -- 2
I have a finished, four-layer ESP32 board layout that is almost ready for fabrication, but before I release the Gerbers I want a fresh set of expert eyes on it....
Read moreCompact standalone ESP32 Board Design for Max30102 sensor with OLED display
The board is essentially a compact "brain board" — an ESP32-WROOM-32 module with integrated power management, USB-C for charging and programming, and two 4-pin...
Read moreDrone ESC Functional Testing - Shenzhen
I have an electronic speed controller (ESC) that must be function-tested here in Shenzhen. The goal is straightforward: power it up, run it through a complete s...
Read moreFPGA Design and Development Expert
I'm seeking an experienced FPGA developer who can assist with design and development, specifically in HDL coding, using both VHDL and Verilog. Ideal Skills and...
Read moreBattery-Powered 6-Tube VFD Clock PCB
I have six IVL2-7/5 VFD tubes that I want to turn into the display for a portable clock with built-in stopwatch and countdown timer modes. I do not yet have a b...
Read morePCB Design Needed
I need a PCB laid out for a new piece of consumer electronics I’m developing. The schematic is ready; the next step is a clean, manufacturable board that respec...
Read moreXMOS USB-SPDIF to I2S Interface
I need a compact XMOS-based board that moves digital audio data—nothing more—between three inputs (USB Audio Class 2.0, coaxial SPDIF, and optical TOSLINK) and...
Read moreSingle-Layer PCB, 16 Buttons -- 2
I have already drawn the exact board outline in AutoCAD and will share the DXF as soon as we begin. Your task is to turn that shape into a one-layer PCB that ca...
Read moreESP32 Module-based Prototyping and Production
I need an experienced electronics and software engineer to develop an ESP32-based industrial controller PCB and complete a Python-based automotive ECU programmi...
Read moreMinor PCB Layout Tweaks
I already have the full set of design files for this board and only need the layout adjusted. The schematic stays as-is; the job is strictly about updating the...
Read moreHardware Engineer / PCB Designer — 30 Min Paid Feedback Session
I’m the founder of PartPilot, a tool that automates BOM validation for hardware engineers. Right now engineers spend hours manually checking component availabil...
Read moreCompact Battery-Powered Sensor Prototype
The goal of this short engagement is to turn my concept for a simple smart device into a working proof-of-concept. I need a tiny, battery-powered unit that sens...
Read moreESP32 NFC Audio Player PCB
I’m developing a compact, plastic-enclosed educational device that lets students trigger audio lessons simply by tapping NFC tags. The unit is based on an ESP32...
Read moreEquiPulse Wearable Design Package
I’m building EquiPulse, a soft, low-profile band that sits snugly on a horse and records veterinary-grade ECG around the clock while also collecting IMU and tem...
Read morePotato Equipment Shaft Monitor
I need a practical, low-cost electronic shaft monitor for my potato equipment that will immediately warn the operator whenever a driven shaft stops or drops bel...
Read moreVivado Digital Logic Project Help
I’m developing a college-level digital logic project in Xilinx Vivado and have reached the design and implementation phase. The core functionality has been outl...
Read more4-Layer Consumer Electronics(Energy Meter) PCB Design
I’m developing a smart energy meter for consumer deployment and now need an experienced PCB designer to take the design from schematic refinement through to pro...
Read moreHardware & Firmware Development Engineers for Consumer-Grade Embedded IoT System
We are seeking experienced Hardware and Firmware Development Engineers to lead the end-to-end development of a consumer-grade embedded IoT system. This is a col...
Read moreHardware & Firmware Development Engineers with PATENT TECHNICAL WRITER & AI ENGINEER/MOBILE APP DEVELOPER for Consumer-Grade Embedded IoT System
We are seeking experienced Hardware and Firmware Development Engineers to lead the end-to-end development of a consumer-grade embedded IoT system. This is a col...
Read moreRecreate Analog Schematic in KiCad
I have finished the digital side of my board in KiCad and exported the full Gerber set. What I still need is the analog section turned back into a clear, editab...
Read moreHardware Engineer / PCB Designer — 30 Min Paid Feedback Session
I’m the founder of PartPilot, a tool that automates BOM validation for hardware engineers. Right now engineers spend hours manually checking component availabil...
Read moreUrgent Electrical Engineering Problem Solver
I’m looking to engage an experienced freelance electrical engineer on a contract/freelance basis to support with testing, validation, and compliance of aestheti...
Read moreDesign Logic Control Board for Cassette Mechanism
I'm looking for a skilled electronics engineer to design a logic control board for an audio cassette tape mechanism. The control board needs to manage the follo...
Read moreMulti-Layer PCB Design for Consumer Device
I have a consumer-electronics project that needs a robust, multi-layer PCB. The schematic is already prepared; what I need now is a designer who can read the ci...
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