Review Gerber File, Upload via Arduino, and Solder Chip into PC Mouse
I need assistance reviewing a Gerber file to ensure it is set up correctly. If confirmed, the freelancer will upload the necessary code or firmware via Arduino...
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Consumer Electronics PCB Schematic
I have a new consumer-electronics concept ready for its first hardware iteration and I need a clean, production-ready PCB schematic drawn up as fast as possible...
Read moreEnergy Monitor PCB Layout Design
I already have a complete schematic for my single-phase energy-monitoring circuit; what I need now is a production-ready PCB layout that faithfully follows it a...
Read more12V Square Wave Signal Generator
I need a square wave signal generator with the following specifications: Output Voltage: 12V Frequency Range: 100 kHz to 1 MHz Duty Cycle: Variable Additional R...
Read moreBattery-Powered LoRa ESP32 Parking Tracker
I need a working prototype that lets me monitor a single-car residential parking spot without running any wiring. The concept is simple: • Hardware: a custom ES...
Read moreSenior Embedded Firmware Engineer Needed
We are seeking a Senior Embedded Firmware Engineer or Small Embedded Systems Team to extend and integrate an existing commercial embedded firmware platform for...
Read moreIntegrated Bicycle Speaker System Prototype -- 2
I have a patent-pending concept for an all-in-one bicycle sound system and I’m ready to move from idea to working prototype. The vision is simple: riders enjoy...
Read more4S 16.8 V BMS Design
I need a compact Battery-Management System for a 4-cell Li-ion pack that reaches 16.8 V at full charge. The board must integrate every key safeguard: over-charg...
Read moreWearable Sensor Vest Prototype — GPS/IMU + Heart Rate (PCB, Firmware, Enclosure)
I'm looking for an experienced hardware/embedded engineer to build a first working prototype of a wearable sensor vest for athlete movement and heart rate monit...
Read moreWi-Fi Marine Hour Meter
I need a compact, battery-powered hour meter that bolts onto a piece of marine equipment, connects to the boat’s Wi-Fi, and silently counts every minute the eng...
Read moreDesign Simple 24V AC-DC Converter
I already have the core parts on hand—two 5 mm 2-way pluggable terminal connectors, a 3510 bridge rectifier, four 4 700 µF / 35 V* electrolytic capacitors, a si...
Read more150W Dual-Output Industrial PSU Card
I’m building a 150 W power-supply card that will live inside industrial machinery and must keep running in a harsh environment riddled with temperature swings,...
Read moreThyristor Trigger - PCB Design
I need a compact PCB that triggers an MFA90A thyristor from a relay while handling a 300 V DC line coming from a photovoltaic string. The board’s purpose is to...
Read moreAutomotive Sensor Data MCU Design
I’m developing a microcontroller-based embedded system that will sit inside a vehicle and act as the central hub for sensor integration and data acquisition. Th...
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreOutdoor RFID Reader Development
I need a custom-built RFID reader that can reliably pick up standard identification tags in an outdoor setting. The enclosure must withstand sun, rain, and an o...
Read moreEmbedded Electronics Engineer Needed – Custom Automotive Volume Knob Controller
I am looking for an experienced embedded electronics engineer to design a custom hardware and firmware solution that adds a physical rotary volume knob to an af...
Read morePortable 4G SIM Bonding Device
I need a working prototype of a portable SIM-bonding unit that merges multiple 4G LTE links to deliver a single, higher-bandwidth connection and tunnels all tra...
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreArduino Lap Timer System
The goal is to turn an Arduino into reliable timing equipment for track-day cars. I already know the core requirement: precise lap timing triggered by track-sid...
Read moreLoRa-4G Ethernet IoT PCB
I’m putting together a compact communications board and need a full PCB design that integrates every piece of the hardware listed below into one reliable, batte...
Read moreCompact 32-Pin IO Board Design
I am finalising the architecture for a 32-pin I/O board that must squeeze into a very tight 57.20 × 46.10 mm envelope while cleanly switching 12 V lines. The bo...
Read moreMulti-Layer PCB Schematic Design
I have a project that centres on creating a detailed multi-layer board schematic (.sch). The priority is to translate my functional requirements into a clean, l...
Read moreEPSS Submittal Review by P.E. Engineer
I need a licensed P.E. Electrical Engineer to review and approve an Emergency Power Supply System (EPSS) submittal. The review must ensure compliance with the f...
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreCustom 6-Port PoE Ethernet Switch Design
Hi I will share the details with the shortlisted candidates. Thanks
Read moreEagle PCB Design & Schematic
I need an experienced electrical engineer who works fluently in Autodesk Eagle to turn my concept into a complete set of design files. Your main tasks are to ca...
Read morePrototype Development for Patented Electronic Lock Mechanism -- 3
I hold a granted patent and have a narrated 3D video showcasing the design of an innovative electronic lock mechanism. I am seeking a skilled freelancer to deve...
Read moreESP32 PCB Optimization & Thermal Simulation: Schematic review, LTspice/ANSYS Thermal Simulation & Production PCB Package
4-Layer ESP32 Hardware Optimization, LTspice/ANSYS Thermal Simulation & Production PCB Package IMPORTANT: NO PLACEHOLDER BIDS. Proposals starting with generic t...
Read moreESP32 Hardware & PCB Design Optimization, LTspice/ANSYS Thermal Simulation & Production PCB Package
4-Layer ESP32 Hardware Optimization, LTspice/ANSYS Thermal Simulation & Production PCB Package IMPORTANT: NO PLACEHOLDER BIDS. Proposals starting with generic t...
Read morePrototype Development for Patented Electronic Lock Mechanism -- 2
I hold a granted patent and have a narrated 3D video showcasing the design of an innovative electronic lock mechanism. I am seeking a skilled freelancer to deve...
Read morePrototype Development for Patented Electronic Lock Mechanism
I hold a granted patent and have a narrated 3D video showcasing the design of an innovative electronic lock mechanism. I am seeking a skilled freelancer to deve...
Read moreConsumer Electronics PCB Design
I’m developing a new consumer-electronics product and need a PCB designed from the ground up. The core requirements are a compact board footprint, reliable rout...
Read moreProgrammable Ultrasonic Cat Repellent Device
I am looking for a freelancer with experience in electronics design and prototyping to build a programmable ultrasonic cat repellent device. The device should m...
Read moreCustom NXP i.MX RT1170 Educational Board
# Hardware Design Engineer – Custom i.MX RT1170 Board ## Project Overview Looking for an experienced hardware engineer with proven experience in **NXP i.MX RT11...
Read moreLithium-Ion BMS for Renewable Energy
I need a Battery Management System (BMS) designed specifically for lithium-ion batteries intended for renewable energy storage applications. The BMS should incl...
Read moreElectrical Overheating Simulation Prototype Creation
Project Title Need an Electronics Engineer to Build a Safe Burning Wire Demonstration Prototype Project Description I am looking for an experienced electronics...
Read moreCompact PCB Design for Consumer Electronics
I need a PCB design engineer to create a simple pcb circuit board with differential trace and Sma connector
Read moreChip-Level Smartphone Repair Technician
I need an experienced mobile hardware specialist who is completely comfortable working at board level. The work is strictly hardware-side—no software flashing o...
Read moreFix Altium-to-EAGLE PCB Layout
The current EAGLE project was generated from Altium but the translation left me with misplaced parts, broken connections, and several schematic inconsistencies....
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