Ultra-Slim No-Neutral Smart Switch -- 2
I need a compact, single-fire line smart light switch designed around the ESP32-C3, strictly for residential use and housed in a PC-V0 enclosure. Because there...
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On-Site Instrumentation Engineer Needed
I need a freelance Instrumentation Engineer who can mobilise to our site in Maharashtra straight away. The work centres around flow new facility setup for a jui...
Read moreLabVIEW GPIB Integration & Support
I have an automated test environment built around NI-PXI, cDAQ, and cRIO hardware. The next milestone is to tighten up our GPIB layer in LabVIEW and be able to...
Read moreSTM32-Based UPS Redesign and Firmware Development
Project Title: 600VA Pure Sine Wave Offline UPS Design (STM32 Based) Project Description: We are looking for an experienced Embedded Hardware and Firmware Engin...
Read moreIndustrial ESP32-S3 PCB Design (Flux.ai)
Industrial ESP32-S3 PCB Design (Flux.ai) Project Overview I am looking for an experienced PCB designer to complete a custom industrial control board based aroun...
Read moreSiemens S7 to RSLogix Conversion
I have an existing Siemens S7 program that currently drives the machinery on a manufacturing production line, and I need the exact same functionality reproduced...
Read moreEmbedded Firmware Development
Requirements: - Experience with NXP, STM32, EFR32 series - Hands on with Communication Protocols - Experience with RTOS - Great experience with Embedded C
Read morePID-Driven PLC Simulation & HMI
I want to prototype a complete control package before we spend money on physical hardware. The goal is to simulate a variable-speed pump that fills and empties...
Read moreUltra-Slim No-Neutral Smart Switch
I need a compact, single-fire line smart light switch designed around the ESP32-C3, strictly for residential use and housed in a PC-V0 enclosure. Because there...
Read moreMicrocontroller Swap for Control Board
I just need to remove a broken IC from a board and solder the new one
Read moreRaspberry Pi Zero LoRa Interface PCB -- 2
I’m putting together a compact add-on board for a Raspberry Pi Zero 2 W that will serve as the “all-in-one” backbone of a small, battery-powered LoRa project. T...
Read moreSI4010 SPI Communication Software Needed
I already have raw .bin images that flash and run correctly on the Silicon Labs SI4010 RF transmitter, but I now need production-ready software that lets me int...
Read moreIndoor Fog Machine Sensor Integration
I need a fog machine integrated with a sensor system for indoor events. Requirements: - People detection capability using motion detection. - Integration for au...
Read moreMCU ADC FPGA Migration & Bring-Up
I am migrating a proven Cable Fault Locator from its legacy parts (LPC1788 + LTC2252 + Cyclone V) to a more economical stack and need a hands-on engineer who ca...
Read moreVFD Control using DS18B20
I need a system to control a three-phase VFD (Variable Frequency Drive) using a DS18B20 temperature sensor. The VFD should increase its speed based on temperatu...
Read moreWire Harness Testing Schematic and PCB Design -- 2
1) Project goal Design a single PCB device for testing cable harnesses up to 25 wires, where both ends of the same harness are connected to the board: Side A: 2...
Read moreComprehensive Voltage Adder Cell DC-DC boost Converter Design -- 3
The hardware circuit design and hardware implementation of a 2nd stage voltage adder cell (VAC) integrated with a classical DC–DC boost converter using a SiC MO...
Read morePCB adapter design: JLCPCB Samtec CLM-110-02-H-D (C3320770) to 2.54mm 1×10 header (Raspberry Pi SPI breakout)
Description: I need a simple 2-layer PCB adapter designed and delivered as manufacturing files for JLCPCB. Goal Create a PCB that breaks out a 20-pin (2×10) 1.0...
Read moreESP32-S3 CAN Car Gauge
I’m building a dashboard-mounted auxiliary gauge around the Waveshare Round 2.1/2.8" ESP32-S3 development board + Adafruit Tja1051T/3 board and need a complete...
Read moreSkilled PCB Designer for Production-Ready Board
I am looking for an experienced PCB designer to design a production-ready PCB. -Overview The PCB will: Accept a plug-in S3-N16R8 board Include 4 × 8-pin high-cu...
Read moreDual-Pi Split-Channel Audio System
I’m building a two-unit setup with Raspberry Pi Zero W boards. One Pi acts as the master player; the second Pi will behave purely as a Bluetooth speaker. When a...
Read moreCustom Wearable Sensor PCB Design
I’m consolidating the electronics of my wearable prototype into one slim, production-ready board. Right now the device is a stack of breakout modules—an ESP32-C...
Read moreColor-Sensing Robotic Arm Development
I need a robotic arm coded with Arduino and integrated with an AI camera. The primary task is color detection. Requirements: - Prioritize color detection. - Mov...
Read moreTransmission Line Monitoring System -- 2
I'm looking for a comprehensive real-time monitoring system for transmission lines. The system should monitor voltage and current, with data transmitted via LCD...
Read moreTransmission Line Monitoring System
I'm looking for a comprehensive real-time monitoring system for transmission lines. The system should monitor voltage and current, with data transmitted via LCD...
Read moreSmall wearable motor unit for moving one fabric petal (London delivery)
Hi, I am a design student working on a conceptual fashion prototype. I need one small, ready-made motion module that can move one fabric petal edge slowly and s...
Read moreAI-Powered Smart Gym MVP Development
I'm seeking a tech developer to build the MVP for FitFlex, an AI-powered smart gym system. The system uses computer vision and IoT (Raspberry Pi + Arduino) to t...
Read moreSiemens S5 to S7 Migration
I need to move a running SIMATIC S5 installation to a modern SIMATIC S7 platform programmed in TIA Portal. My main goal is simply to have a newer system that I...
Read moreIntegrated Sensor Aggregation Module
This project is basically a multi-sensor integrated breakers board driven/commaded with a MCU chip which helps in enhancing the efficiency in avionics systems i...
Read morePCB Design & Firmware Developer
I need an engineer who can take my concept all the way from first schematic to tested firmware-ready hardware. The scope covers PCB layout, circuit design and s...
Read moreBluetooth Module Selection for High-Quality Speaker
I'm seeking an expert to assist in component selection and electronic design for a Bluetooth speaker project. it is not. the. cabinet or carcass I need designin...
Read more6-Channel PIC RS485 PCB (HW only)
I’m putting together a compact board and need a design that JLCPCB can fabricate without revisions. The core is a PIC microcontroller sampling six analog inputs...
Read moreBuild 16x16x16 Interactive RGB Cube
I’d like to commission the complete fabrication of a 16 × 16 × 16 RGB LED cube. The job covers everything from refining or creating the electronic design right...
Read moreAdd small gate auto-close to existing PIC16F873 .asm + build HEX (no code changes).
Legacy PIC16F873 assembly file (sp501404.asm, ~5000 lines) compiled successfully last year — no changes to ORG/RES, # immediates, banking or any legacy syntax n...
Read moreRobotics Prototype Development
I am seeking assistance with prototyping a robotics system using Arduino, specifically with Nema 17 stepper motors. Key requirements: - Expertise in Arduino. -...
Read moreESP32 Modbus To Google Sheets
I need a small firmware-ready solution that lets my ESP32 (with a MAX485 transceiver) poll a Selec UCI 500 PID controller over RS-485/Modbus RTU, grab the tempe...
Read moreQMK Firmware Developer for Mechanical Keyboard
I'm looking for an experienced QMK firmware developer to create custom firmware for a mechanical keyboard. The firmware should support custom key mapping, macro...
Read moreRelay-Based Input/Output Module Development
I'm looking for an experienced engineer to design and build a circuit board module for mining machinery. The module will handle both digital and analog signals....
Read moreSimple FPGA VHDL Design
I need clean, well-documented VHDL that implements a set of simple digital circuits on an FPGA. The task sits firmly in the Digital circuits design space—no sig...
Read moreSTM32F1 Firmware & PCB Co-Design
I have an STM32F103RB concept in mind and need an engineer who can sit virtually beside me while we bring it to life. We will be working in C inside STM32CubeID...
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