Compact BJT 2-Bit Counter
need a straightforward 2-bit counter designed entirely with discrete Bipolar Junction Transistor (BJT) logic. My priority is to keep the component count as low...
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Technical Content Writer (Electronics Industry) – Long-Term Collaboration
We are Unikeyic, a global electronic components distributor, and we are looking for experienced technical writers for a long-term collaboration. If you have a b...
Read moreRF Amplifier Circuit Design
I'm seeking an experienced RF circuit designer to develop an RF amplifier. The amplifier should operate in the high-frequency range of 3 GHz to 30 GHz, with a m...
Read moreSignal Processing Power Inverter Design
I’m developing a signal-processing module and need a purpose-built power inverter circuit to drive it reliably from a 12 V DC source. The job centres on circuit...
Read moreConsumer Electronics PCB Design
The board I need you to design will drive a brand-new consumer electronics product, so compact size, clean signal routing, and manufacturability are all critica...
Read more7037ic固件提取分析
我手头有一颗7037ic芯片，需要完整提取其中的固件，并在拿到固件后针对设备当前出现的问题做一次故障排除层面的分析。 工作内容分为两步： 1. 固件提取 • 使用合适的 ISP/J...
Read moreLevel 2 EV Charger Installation
I need a Level 2 (240V) EV charger installed at my landed house in Kajang, Selangor. Requirements: - Professional installation - Ensure compliance with local el...
Read moreFuel Dispenser PCB & Safety Design
I need a PCB hardware designer who already understands fuel-grade gas dispenser electronics and has hands-on experience designing intrinsically safe circuits. T...
Read moreSTM32 Motor + Heater + Audio Main Controller PCB — KiCad Schematic, PCB, Gerbers & BOM -- 2
I need an experienced embedded hardware / PCB engineer to design a production-ready STM32-based main controller PCB for a therapeutic massage/spine bed system....
Read moreCapacitive Electrode for Concrete Slipform
# FastForm Capacitive Sensor Electrode — PCB Design & Order Brief --- ## Overview I need a **very simple 2-layer PCB** designed and manufactured. Two variants,...
Read moreSkilled Electrical Technician Needed
Electrical teknisi Pemasangan intalasi listrik dan repair
Read moreCustom Water Leak Detector PCB
I’m developing a compact, sensor-based water leak detector and have already finished the schematic. Now I need a specialist to turn that schematic into a produc...
Read moreSingle-Layer PCB Repair Assistance
I need help bringing a single-layer PCB back to life. At the moment it shows three clear problems: several components have failed, some traces are visibly damag...
Read moreLED PCB Layout Design
I need a PCB layout design for a small general lighting application using standard LEDs. The PCB size should be less than 10x10 cm. Ideal skills and experience...
Read moreDesign an oscillator circuit using a 555 IC to produce a square waveform.
The square wave should have an equal mark-to-space ratio, a frequency equal to that of the resonant frequency of the metal bar estimated in Part 1, and an outpu...
Read more48V E-Rickshaw Diagnostic PCB Design
I have a working concept for an E-Rickshaw diagnostic tool based on an ESP32 DevKit V1, and I now need a production-ready 2-layer PCB. All circuitry must operat...
Read moreKiCad Dual-Rail 70V PSU -- 2
Please note: Max payment for this is $180. Please do not bid and then negotiate higher price if this is not acceptable. I need a KiCad project that lays out a c...
Read moreSenior EV Circuit Design Mentor
I’m leading a young EV startup made up mostly of engineering students, and we’ve reached the point where our concept demands heavyweight industrial experience....
Read moreToilet Flush Sensor Cable Assembly
I need a cable assembly made from our plans for a toilet flush sensor prototype. The assembly involves a combination of flat cable and pre-made cable that we wi...
Read moreDoide/LED Tester
I already have a KiCad v10.4 design exported to Gerber and will share the schematic, PNG layout images and an initial BOM. What I need now is a careful re-work...
Read moreESP32: IoT Embedded System PCB Design
This project focuses on the custom PCB Design of an advanced Embedded System powered by the ESP32 for scalable IoT applications. By leveraging the ESP32 microco...
Read moreCustom PCB Design: PCB design Engineer - 13/07/2026 23:11 EDT
I am looking for an experienced Embedded Hardware Design Engineer to develop a custom production-ready PCB for a proprietary embedded electronic product. The se...
Read moreEmbedded Hardware Engineer for Custom WIFI Board
I am looking for an experienced Embedded Hardware Design Engineer to develop a custom production-ready WIFI Board for a proprietary embedded electronic product....
Read moreChild-Safe Laser Maze Upgrade
I need our existing laser-maze exhibit adapted before we use it so children can explore it safely It comes with class 3 lasers but we need to change these to cl...
Read more4-6 Layer Mixed-Signal PCB
I’m building a compact, 4–6-layer mixed-signal board that will sit at the heart of a new sensor-interface product. The board must collect analog data, run it th...
Read moreLow-Noise 24 V Audio PSU Design
I’m putting together a single-rail power supply for sensitive audio gear and need a clean, hum-free output. The brief is straightforward: • Topology: prefer an...
Read moreInstall Dual Alternators On Mercruisers
Two 2.8 L Cummins-Mercruiser diesel engines on my boat at MDL Marina, Bray (Maidenhead, Berkshire) each need each alternator bolted on and wired in. The new alt...
Read moreKiCad Dual-Rail 70V PSU
I need a KiCad project that lays out a compact, dual-rail power supply capable of delivering up to 10 A per rail at a maximum of 70 V. The board will sit inside...
Read moreReposition Misaligned PCB Pin Header
A pin header on my small production PCB was accidentally soldered one pad off its intended footprint, so the connector now sits in the wrong position. The task...
Read moreEmbedded Engineer for Flex-PCB & STM32 Firmware
Title: Full-Stack Embedded Engineer: KiCad Flex-PCB Design & STM32 Firmware for Capacitive Sensing Array Project Objective: We are prototyping a wearable biomec...
Read moreDual Output DC-DC Converter Design
Project Title Design & Development of Wide Input Isolated Dual Output DC-DC Flyback Converter (20V–160VDC Input | 12V/1A & 5V/0.5A Outputs) Project Overview We...
Read moreUAV ESC & Flight Controller Design
Project Title Electronic Speed Controller (ESC) & Flight Controller Hardware Design Engineer for Defence UAV Project Description We are looking for an experienc...
Read moreTek Katmanlı PCB Gerber Tasarımı
Endüstriyel otomasyon ekipmanım için tek katmanlı bir PCB’ye ihtiyacım var. Hem yüzey montaj (SMD) hem de delik montaj (THT) bileşenleri kullanacağım, bu nedenl...
Read moreMobile Phone PCB Partner
I’m setting up a new mobile-phone venture and I want a seasoned PCB designer to join me at the ground floor. I will fund the hardware development; what I need f...
Read moreElectrical Layout, SLD & Shop Drawings
I need a complete electrical package for both residential and small-to-medium commercial projects. The scope covers lighting layouts and power distribution only...
Read moreRadio Firmware and Hardware Development
I'm seeking an expert in firmware and hardware integration, specifically for radio communication. This project involves developing both firmware and the necessa...
Read moreKiCad E-Tag PCB Review -- 2
I have a completed e-tag PCB designed in KiCad and need a fresh, expert set of eyes to run through the entire project and catch any lurking issues before produc...
Read moreCompact Driver Stage Design for Teensy 4.1
500mA output injected into the power line This is a workspace for: I have a Teensy 4.1 producing a 0–3.3 V, 80 kHz square wave that must be pushed onto a power...
Read moreKiCad E-Tag PCB Review
I have a completed e-tag PCB designed in KiCad and need a fresh, expert set of eyes to run through the entire project and catch any lurking issues before produc...
Read moreBehind-Meter Power System Design
Project Golden Eagle couples solar, a lithium-ion battery energy storage system and gas-fired reciprocating engines into one behind-the-meter plant that will of...
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