Electronics

We are looking for an experienced IoT/ESP32 developer to assist with hardware connections and configuration for a Weather Monitoring System. We already have the hardware components available. We need... (Budget: ₹1500 - ₹12500 INR, Jobs: Bluetooth Low Energy (BLE), Circuit Design, Debugging, Electrical Engineering, Electronics, Embedded Systems, Prototyping, Python)

I need a seasoned embedded-systems engineer to help me complete and refine firmware for an industrial solar tracking pilot we are about to install in the field. The hardware platform is an STM32-based... (Budget: min €36 EUR, Jobs: C Programming, Documentation, Electrical Engineering, Electronics, Embedded Systems, Git, Microcontroller, STM32)

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 a backend (MQTTS/HTTPS), and generates deterministic “coin pulses” into existing industrial controllers... (Budget: $250 - $750 USD, Jobs: Altium Designer, Circuit Design, DFM (Design for Manufacturing), Electrical Engineering, Electronics, Embedded Systems, PCB Design and Layout)

我正在开发一款工业控制设备，需要一位经验丰富的嵌入式硬件工程师协助完成整套硬件方案，包括原理图设计和 PCB 布局,主控ESP32。 项目要点 • 设备定位：工业控制场景，需满足长期稳定运行与抗干扰要求。 • 功能需求：集成无线连接、传感器采集及远程监控。 • 器件选择：目前没有特定芯片或微控制器限制，你可根据性能、供货与成本综合评估后给出最佳方案。 交付内容 1. 原理图（Altium Designer 或 KiCad 格式，含完整元件符号与网络标注） 2... (Budget: $240 - $2000 HKD, Jobs: Altium Designer, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Industrial Design, PCB Design and Layout, PCB Layout, Technical Documentation)

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 could involve household tasks, industrial automation, or entertainment... (Budget: $250 - $750 AUD, Jobs: Automation, CAD/CAM, Electronics, Manufacturing Design, Mechanical Engineering, PCB Design and Layout, Robotic Process Automation, Robotics, Robotics and Cognitive Automation)

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 is no neutral wire available the power stage... (Budget: €30 - €250 EUR, Jobs: Bluetooth, Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Home Automation, Microcontroller, PCB Layout)

I’m preparing a utility patent for a four-compartment storytelling device that embeds full holographic capability, and I need a seasoned patent drafter to turn my concept into a rock-solid USPTO filing... (Budget: $15 - $25 USD, Jobs: Augmented Reality, Electronics, Patents, Technical Writing)

Hello, I am seeking a qualified solar design professional or engineering firm to produce a complete, permit-ready off-grid solar + battery + generator design package for a residential project located in Coconino County, Arizona (Williams, AZ area)... (Budget: $750 - $1500 USD, Jobs: AutoCAD, CAD/CAM, Electrical Engineering, Electronics, PCB Layout, Project Management, Renewable Energy Design, Structural Engineering)

I need an experienced RF technician to install antennas on a tower. Key tasks include: - Installing antennas securely and correctly on the tower - Ensuring all installations meet safety and regulatory... (Budget: $10 - $30 USD, Jobs: Antenna Design, Antenna Measurements, Antenna Services, Electrical Engineering, Electronics, PCB Layout, RF Site Survey, Wireless)

We are looking for an engineer team which has a good PCB design skill and motor driver programming skill. This project is to upgrade our exhisting PCB(Old version→ prototype) to update version. We will make one prototype PCB to test... (Budget: $1500 - $3000 USD, Jobs: 3D Print Design, Circuit Design, CNC Programming, Electrical Engineering, Electronics, Embedded Systems, Motor Control, PCB Layout, Robotics, Signal Processing)

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 outdated and must be replaced or upgraded. This... (Budget: $250 - $750 USD, Jobs: Electrical Engineering, Electronics, Embedded Systems, PCB Design and Layout, Quality Engineering, Soldering, Testing / QA, Troubleshooting)

Urgent Robotics Project Assembly (Mumbai) I am looking for a dedicated and experienced freelancer to assemble my robotics project. I already have: All required hardware components Open-source GitHub... (Budget: ₹600 - ₹1500 INR, Jobs: Arduino, Assembly, Circuit Design, Electronics, Embedded Software, Embedded Systems, Microcontroller, Programming, Raspberry Pi, Robotics)

I’m putting together a small hobby circuit centered on about 16 operational amplifier based aidiotic filters and need a clean, single-layer PCB layout to bring it to life. The schematic is already available from TI for OPA1602... (Budget: $10 - $30 USD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Home Automation, PCB Layout, Product Design, Prototyping)

I need a skilled electronics circuit designer specializing in power electronics. The project involves designing a power supply for a phone charging system using both AC and DC Key Requirements: - Design... (Budget: ₹12500 - ₹37500 INR, Jobs: Analog Electronics, Circuit Design, Digital Electronics, Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Prototyping, Signal Processing, Technical Documentation)

Project Title: 600VA Pure Sine Wave Offline UPS Design (STM32 Based) Project Description: We are looking for an experienced Embedded Hardware and Firmware Engineer to develop a 600VA Offline Pure Sine Wave UPS using STM32G030K6T6 microcontroller... (Budget: ₹37500 - ₹75000 INR, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Microcontroller, PCB Layout, Reverse Engineering, STM32)

I need a skilled electronics circuit designer specializing in power electronics. The project involves designing a power supply for a phone charging system using both AC and DC Key Requirements: - Design... (Budget: ₹75000 - ₹150000 INR, Jobs: Analog Electronics, Electrical Engineering, Electronics, Engineering, MATLAB, Matlab and Mathematica, Power Supply, Simulation)

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 around the Waveshare ESP32-S3-0-M development board... (Budget: $30 - $250 USD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, I2C, Industrial Design, Microcontroller, PCB Layout)

I’m putting together a small hobby circuit centred on an operational amplifier and need a clean, single-layer PCB layout to bring it to life. The schematic is already roughed out on paper; what I’m missing is a production-ready board that I can either home-etch or send to a low-cost fab... (Budget: $30 - $250 USD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Home Automation, PCB Layout, Product Design, Prototyping)