ESP32 LED Strip Integration
I have an ESP32-based project driving WS2812B addressable LED strips and I need the hardware side finished right away. The goal is to get a rock-solid, noise-fr...
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Android TV Motherboard Design
I’m developing a 32-inch and 43-inch commercial Android TV line and need a seasoned embedded hardware engineer who has already taken high-speed boards into prod...
Read moreExpert ESP32-S3 Firmware Developer (Round LCD Slideshow)
I need a professional firmware solution to turn a Waveshare ESP32-S3-Touch-LCD-1.85" (V2 Hardware) into a high-performance, self-starting digital photo frame. T...
Read moreOrCAD Single-Ended Audio Amplifier
Design an audio amplifier that meets the following specifications: (a) the amplitude of the input signal V_{ip} is in the order of µV (column A); (b) the output...
Read morePortable Under-shoe Weighing Device Development
I am looking for a specialist to design and develop a compact, lightweight, wearable weighing device that is mounted underneath a shoe. Requirements: - Form fac...
Read moreIoT Freelancer Needed (3–4 Years Experience) – Mumbai Only
We’re looking for an experienced IoT freelancer (3–4 years) based in Mumbai for a project engagement focused on industrial IoT use cases. Scope: End-to-end IoT...
Read morePCB Design in EasyEDA: ESP32-PICO-D4 base board with 2 sensor inputs, SD card, and expansion headers -- 2
I am enclosing the technical specifications in two languages: Russian and English. Прилагаю техническое задание на двух языках: русский и английский Need an exp...
Read moreWinch Tension & Power Monitoring Automation
I’m upgrading a winch so it can look after itself. The end-goal is a single PLC-driven package that (1) keeps live watch on cable tension and (2) tracks voltage...
Read moreIndustrial Multi-Layer PCB Design
I need a clean, production-ready layout for a multi-layer PCB that will sit at the heart of an item of industrial equipment. The board’s job is straightforward...
Read moreSensor-based Stress Management Wrist Cuff
we want a sensor-triggered experience prototype. Goal: Build a wrist-worn cuff that can detect likely stress using basic physiological signals and trigger hapti...
Read moreCommercial-grade EV Motor Controller Design -- 2
I am looking for an experienced power electronics engineer to design a commercial-grade EV motor controller for e-scooter, e-rickshaw, and e-loader applications...
Read moreHands-On PLC & SCADA Coaching
I’m building a small hydraulic test rig and I want to master the entire Delta PLC + DIAView SCADA workflow while we bring the machine to life. I already have ba...
Read moreESP32-WROOM-32E PCB Design in Altium -- 2
Have a working circuit diagram for a device based on the ESP32-WROOM-32E module. The system is powered from an external supply (5V / 8V / 12V). The next step is...
Read moreWarehouse Appliance Wiring Repair
I need a qualified electrician to come to Unit 9 / 20 Weka Street, Otahuhu, Auckland and check and modify electrical appliances. The problem is limited to their...
Read moreKiCad Expert for Split Keyboard PCB Modification + JLCPCB PCBA Ready
I’m looking for a freelancer with proven KiCad and JLCPCB experience to adjust a 54-key split keyboard PCB (TRRS connection between halves). Objective: Convert...
Read moreInteractive Educational Device Prototype
TITLE: Hardware Prototyping Engineer (Contract, 2 months) DESCRIPTION: We're building a working prototype of an interactive educational device for an investor d...
Read moreAI tunned ADRC for a DC Microgrid using Simulink
I have the model, i need to create the ADRC then tune it using a new AI algorithm
Read moreArduino Rover & Showcase Website
I’m putting together a beginner-friendly tech project that blends hands-on robotics with a small web presentation, and I’d like expert guidance from start to fi...
Read moreATM90E32 Energy Monitor Integration
Project Overview: The project involves interfacing an ESP8266 (Wemos Mini) with the ATM90E32 energy metering IC to read electrical parameters and build a scalab...
Read moreEmbedded Systems Engineer for EV Dashboard Design
I am looking for an experienced embedded systems engineer to design a digital instrument cluster (dashboard) for electric vehicles (2-wheeler and 3-wheeler). ##...
Read moreMinimalist Breathing Guide Wristband
I’m working on an early-stage wearable concept and would like to build a simple prototype to test a specific interaction. The goal is NOT to build a full produc...
Read moreExplain Multifactor Arduino Security Code
The project is already done. It is multifactor voiceprint, password and finger print security system and stuff. I just have questions regarding it. You need to...
Read moreEmbedded Systems Engineer for EV Dashboard Design
I am looking for an experienced embedded systems engineer to design a digital instrument cluster (dashboard) for electric vehicles (2-wheeler and 3-wheeler). ##...
Read moreDual-Station Screwdriving Automation -- 2
I need to cut our current assembly cycle time by at least 60 %, so I’m commissioning a fully-automatic, dual-station screwdriving cell for a line that builds sm...
Read moreMATLAB Inductor Transformer Circuit Simulation
I need a clear, well-documented MATLAB model of an electrical circuit built around inductors and a transformer so I can study its steady-state and transient per...
Read moreDesign 72V-12V Automotive DC-DC
I’m developing an EV scooter, e-rickshaw and loader platform that runs from a 38 V – 72 V traction battery. I need an isolated DC-DC converter that delivers a c...
Read moreCommercial-grade EV Motor Controller Design
I am looking for an experienced power electronics engineer to design a commercial-grade EV motor controller for e-scooter, e-rickshaw, and e-loader applications...
Read moreESP32-S3 Firmware + PCB Validation (LED + Audio Device – Design Complete)
I have a completed embedded hardware design and need an experienced developer to finalize firmware and validate the system for production. This is NOT a new des...
Read moreDWIN 8” Display UI Development
I have a DWIN DMG12800C080_03WN 8-inch TFT already wired to an ESP32 over UART. The goal is to create a clean DGUS–based interface that shows live temperature,...
Read more150W DC-DC Buck Converter
I need a DC-DC converter prototype as per the following parameters: Power Rating: 150W Input: 16-32V DC Output: 5V, 25A Output Variation: 2-5V using a 10K Ohm E...
Read moreCompact Isolated SMPS & PCB Design
Design 150W Isolated SMPS (12V 10A + 5V + 3.3V) with PCB & Gerber I need a professional electrical engineer to design a compact, isolated SMPS power supply for...
Read moreHigh-Current SMPS Design for LED Wall
I am looking for an experienced power electronics engineer to design a high-current SMPS for a digital LED video wall application. ## Requirements: ### Input: *...
Read moreMulti-Source Energy System Prototype Development
Project: Hybrid Multi-Source Energy Prototype (Micro Build – Ongoing) I’m developing a hybrid energy system designed to combine multiple environmental inputs, i...
Read moreVisionGuard Card Prototype
أحتاج إلى نموذج أولي يعمل يبرز فكرة بطاقة VisionGuard Card للمكفوفين. ما أريده بالتحديد هو برمجة متحكم ESP32 وربطه بتطبيق موبايل عبر Bluetooth. التطبيق – وقد و...
Read moreEnhancing Schneider Modbus Controller Logic
I need the logic inside my Schneider Modbus controller refreshed. At the moment the system relies on pressure sensors that scale from 0-70; that scale must be e...
Read moreFlexible Wearable Sub-6 GHz Patch Antenna
I need a complete design for a flexible, wearable microstrip patch antenna that operates reliably across the sub-6 GHz spectrum for communication devices. My ch...
Read morePortable Electric Outboard Motor Development -- 2
I'm seeking a skilled engineer or team to develop a portable electric outboard motor designed for recreational boating use in both freshwater and saltwater. The...
Read moreAssemble Mini Audio Jack Enclosure
I have a compact aluminium case measuring 5 cm × 5 cm × 5 cm that needs to be turned into a simple passive module. Your task is to drill four clean, evenly-spac...
Read moreConvert Phone Screen to E-Ink
I use a small, no-frills Navi C1 handset every day, but the back-lit display leaves my eyes tired after long calls and SMS sessions. I want to swap that display...
Read moreDraft a double-layer PCB
Hi I will share the details with the shortlisted candidates. Thanks
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