RF Welder Arc Protection Design
I need a robust arc-suppression circuit engineered specifically for my RF welding machine. The goal is simple and non-negotiable: stop destructive arcing before...
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HRID-AI- Handheld device for Heart murmur detection, Rhythm abnormalities, Irregular heart sounds, and Decreased ejection fraction
Description Of Project - HRID-AI is a low cost handheld device aimed at estimating ejection fraction using multimodal biosignals (ECG, seismocardiography, and c...
Read moreCoffee Maker PCB Reprogramming
I need an experienced PCB programmer to reprogram a multi-layer PCB for a coffee maker. The board is used for a coffee maker. Required Skills and Experience: -...
Read moreIsolated Voltage Measurement Circuit Design
I have an Arduino-based board that is powered from its own DC rail, yet it has to monitor several other DC lines whose grounds are completely separate. Right no...
Read morePCB Design Editing Needed
I need an experienced PCB designer to edit an existing single-sided PCB design. The current design is in Altium and requires modifications for testing and valid...
Read moreHRID-AI- Handheld device for Heart murmur detection, Rhythm abnormalities, Irregular heart sounds, and Decreased ejection fraction
Description Of Project - HRID-AI is a low cost handheld device aimed at estimating ejection fraction using multimodal biosignals (ECG, seismocardiography, and c...
Read moreRevive KeyMouse Track Prototype -- 2
I own an original KeyMouse Track, now discontinued, and would like to bring it back to life. Reference product: https://www.keymouse.com/catalog/keymouse/keymou...
Read moreAustin Mixed-Signal Circuit Design
I’m developing a compact data-acquisition module and need a local electronics engineer in Austin who can take the mixed-signal front-end from concept to ready-t...
Read moreTitle: Lead Engineer for Standalone Holographic Bracelet - RK3566 - 100% Optimized A-to-Z Technical Package
Project Objective: Develop a 100% functional, industrial-ready prototype of a wearable holographic smartphone (bracelet). The goal is high-end performance (Mid-...
Read more100W Smart LED Light Design
I need a complete, production-ready design for a 100 W LED luminaire that will serve as the main light source in a living-room setting while still being robust...
Read moreIndustrial PCB Designer (ESP32-S3, 24V Power, EMI/EMC, IP65 Enclosure) – IoT Pulse Controller for Car Wash/Vacuum
Project Overview We are building a V1 industrial ESP32-S3 pulse controller for self-service car wash and vacuum stations. The device receives paid commands from...
Read moreAutonomous Indoor Robot Design
I'm looking for an experienced robotic engineer to design a fully autonomous indoor robot. The primary function of the robot is yet to be determined, but it cou...
Read moreCustom 5G Flip/Slider Phone Consultation
I’m in the concept stage of a passion project: putting full-featured 5G with Band 71 support into a nostalgic flip or slider body. Before investing in boards, a...
Read moreJipsn Board Component Updates
I need targeted maintenance on my Jipsn board. The job is strictly maintenance-related: I already have the board running, but several onboard components are out...
Read morePCB Schematic Capture
I have a prototype GPS logger for which I need the PCB schematic made. It is a simple task and should not take more than 30mins for someone proficient with KiCA...
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 moreSTM32-Based 5G IoT Multi-Sensor GPS Tracking Device Development
We are seeking an experienced embedded systems engineer or IoT hardware developer to design and develop a low-cost, modular STM32-based IoT device for advanced...
Read moreIoT Low-Power Wearable Device Design
The device is a low-power wearable IoT unit designed around the Nordic nRF91 series (preferably nRF9151) with NB-IoT cellular connectivity and optional GNSS pos...
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 moreImmediate PCB Power Board Design
I need a compact, two-layer PCB engineered for a consumer-electronics prototype whose sole purpose is reliable power management. The board will distribute input...
Read moreUS Manufacturer for Charging Prototype
I already have complete CAD drawings, Gerber/PCB layout files, and a full set of manufacturing files for my charging prototype. Now I need a stateside partner w...
Read moreRevive KeyMouse Track Prototype
I own an original KeyMouse Track-125—now discontinued—and would like to bring it back to life. The archived 3-D print files, PCB outlines and other artifacts I...
Read moreCustom 3S Li-Po PDB Design
I need a carefully-engineered power distribution board that can sit at the heart of a 3-cell Li-Po system, handle bursts up to 80 A (around 35 A continuous), an...
Read moreDC-AC Pure Sine Wave Inverter Design
I need a DC-AC Pure Sine Wave Inverter design for helping me move from concept to production on a truly rugged DC-AC inverter for industrial machinery. The unit...
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 moreTuya Device for Nemtek Fence
I need a custom Tuya-enabled module that plugs into the keypad bus of a Nemtek electric fence energizer. Through the Tuya Smart / Smart Life app I want to: • ar...
Read morePCB Replacement for Feature Upgrade
I need assistance in replacing a PCB in a radio product to add additional features. The scope includes: - Removing the old PCB - Installing a new PCB with added...
Read more12V Power Supply Board for Sensors
I need a 12V USB charger board designed primarily for powering sensors and modules. The board should provide a standard 5V output . Requirements: - 12V input js...
Read moreIndustrial Portable CO Detector Design
I’m building a compact, handheld carbon-monoxide detector for use inside busy industrial plants and I need someone who can take the idea all the way from concep...
Read moreIndustrial ESP32-S3 IoT Pulse Controller – PCB Design (V1 Pilot)
Project Overview We are developing a production-oriented V1 Industrial ESP32-S3 based IoT Pulse Controller for self-service car wash and vacuum stations. The de...
Read moreFinalize ESP32 Motion Control PCB
Sixteen years of mechanical and software development have brought our motion-control product to a working breadboard built around an ESP32, stepper motors, driv...
Read moreESP32 Low-Power Audio Device — Custom PC
Description We're developing a battery-powered consumer audio device that plays pre-loaded audio recordings on a daily schedule (three fixed times per day). Aud...
Read moreAutomated Shutter Electronics Prototype
I’m looking for an engineer or a small team to deliver a working prototype of the electronics for a automated shutter project. The system runs on 24V DC and dri...
Read moreRaspberry Pi USB-C Splitter HAT
I want a Raspberry Pi HAT that accepts a single USB-C PD input and breaks it out into three or four downstream USB-C ports that carry both power and data. Each...
Read morePhone Case Electronics
I’ve completed the physical shell for a phone case with a built-in drawer. I now need a freelancer to design and prototype the **electronics + firmware** that d...
Read moreFront Panel Fit Verification
I need a second set of expert eyes on my Front Panel Design files to be absolutely sure they will fit on my eurorack modules. The focus is purely mechanical: pl...
Read moreEsp32-s3 circuit design
I need help with a circuit design for a small engine tachometer. Issues with noise and pulse ringing at the moment. If you have experience please let me know
Read moreUniversal 12V SMPS Charger PCBA Design
Project Overview I am seeking an experienced Power Electronics and PCB Layout Engineer to design a universal 12V Switch-Mode Power Supply (SMPS) charger PCBA. T...
Read moreSchematic + PCB ESP32version Industrial
I need a complete hardware design based on an ESP32 with CAN-bus communication and ADXL355 plus a gyroscope sensor. I want to receive both the electrical schema...
Read moreEarin M-2 Earbuds: Upgrade and Miniaturization
Custom TWS Earbuds Prototype - Earin M-2 Miniaturization** UNIVERSITY PROJECT: Redesign Earin M-2 earbuds SMALLER to reduce ear protrusion. CURRENT SPECS: 24×15...
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