Portable Multimodal Analyzer PCB Design - 02/06/2026 02:35 EDT
We are developing a portable, handheld research instrument that combines two measurement modalities in a single pen-form device: 1. ELECTRICAL IMPEDANCE SPECTRO...
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ESP32-C6 Dual CAN Carrier Board Design
I need a complete hardware design for an ESP32-C6 Dual CAN carrier board that will sit at the heart of a new communication device. The board must do three thing...
Read moreESP32-C6 Dual CAN Board Design
I need a complete hardware design for an ESP32-C6 Dual CAN carrier board that will sit at the heart of a new communication device. The board must do three thing...
Read moreCustom Automotive LED Light Strip Prototype
Only verified and USA based freelancers : Looking for Prototype Builder – Custom Automotive LED Light Strip Project: Custom Automotive LED Light Strip Prototype...
Read moreCustom Jukebox Controller PCB Design
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I’m running a Teensy 4.1 that delivers a 0 – 3.3 V square wave at 80 kHz. For my signal-transmission stage I must boost that logic-level waveform to a clean +6...
Read moreAutomotive LED Light Strip Prototype Needed
Looking for Prototype Builder – Custom Automotive LED Light Strip Project: Custom Automotive LED Light Strip Prototype I'm seeking an experienced electronics en...
Read morePortable Multimodal Analyzer PCB Design
We are developing a portable, handheld research instrument that combines two measurement modalities in a single pen-form device: 1. ELECTRICAL IMPEDANCE SPECTRO...
Read moreKiCad v10.0 Schematic Creation from PDF -- 2
This task is for generating a KiCad v10.0 schematic from a given PDF. And if someone wants to also generate the pcb layout for it is welcome but the budget is v...
Read moreHardware/Firmware Engineering for AI Companion
Lead Hardware/Firmware Engineer: ESP32-S3 + AI Voice Integration for Smart Companion About the Project: Beast Buddiez We are developing a revolutionary physical...
Read moreModify PCB Placement in KiCad
I already have a complete KiCad project for a board, but need 5 components to be added and the design to be modified to accomadate this. What I will provide • T...
Read moreBattery-Powered LoRa PCB Design
I'm building a compact, battery-powered LoRa sensor node for permanent outdoor deployment, so the board must combine low-power performance with solid RF discipl...
Read moreSmall PCB Modification: MOSFET, Components, Connectors
I have a compact PCB design that needs an edit. The existing power MOSFET footprint must be swapped for a new part number Addition of an inductor and capacito a...
Read moreESP32 Circuit Validation and Firmware Coding
I already have a flow chart and a rough-draft circuit diagram for an ESP32-based board. Before I commit to hardware, I need a fresh pair of expert eyes to confi...
Read morePortable Soldering Iron Prototype
I'm looking to create a prototype for a portable soldering iron specifically designed for electronics repair. The ideal candidate should have experience in prod...
Read moreEV Charging System Design for Green Startup - 31/05/2026 17:32 EDT
Project Title: Electrical Engineer / EV Charging System Engineer for Mission EV Station Startup Project Overview: I am developing a startup called Mission EV St...
Read more壁挂迷你洗衣机设计，主要洗袜子，内裤
我正准备推出一款壁挂式迷你洗衣机，需要从零到一的整体产品设计方案。目标设备必须能全自动完成洗涤与甩干，支持壁挂安装，并预留智能控制接口（如 Wi-Fi 或 蓝牙）。 本...
Read more4-Layer PCB Design for Radio
I need a 4-layer PCB designed using KiCad. The board will have 60 components and dimensions of 70mm x 50mm. Essential requirements: - Experience with KiCad - Pr...
Read moreDiode/LED Tester Circuit Design
Diode/LED Tester. I will supply BOM and Layout. This is my first circuit card. - Derating: move to components that are derated (e.g., resistors at ≥60% rated di...
Read moreFOC BLDC Driver for Roboticse
I am developing a compact rotary actuator for a robot joint and need a full Field-Oriented Control (FOC) driver that I can integrate straight into the mechanica...
Read morePortable Multimodal Analyzer PCB Design
We are developing a portable, handheld research instrument that combines two measurement modalities in a single pen-form device: 1. ELECTRICAL IMPEDANCE SPECTRO...
Read moreFOC BLDC Driver for Roboticses
I am developing a compact rotary actuator for a robot joint and need a full Field-Oriented Control (FOC) driver that I can integrate straight into the mechanica...
Read moreFOC BLDC Driver for Robotics urgent
I am developing a compact rotary actuator for a robot joint and need a full Field-Oriented Control (FOC) driver that I can integrate straight into the mechanica...
Read moreFOC BLDC Driver for Robotics(asap)
I am developing a compact rotary actuator for a robot joint and need a full Field-Oriented Control (FOC) driver that I can integrate straight into the mechanica...
Read moreFOC BLDC Driver for Robotics coding
I am developing a compact rotary actuator for a robot joint and need a full Field-Oriented Control (FOC) driver that I can integrate straight into the mechanica...
Read moreFOC BLDC Driver for Robotics
I am developing a compact rotary actuator for a robot joint and need a full Field-Oriented Control (FOC) driver that I can integrate straight into the mechanica...
Read moreAssemble ESP32 IoT Prototype
I have an ESP32-based concept that will live as an IoT device dedicated to collecting audio and pushing it to the cloud in real time. All of the core components...
Read moreFOC BLDC Driver for Robotics
I am developing a compact rotary actuator for a robot joint and need a full Field-Oriented Control (FOC) driver that I can integrate straight into the mechanica...
Read more8-Bit SAR ADC VLSI Layout Design
The project is a VLSI CMOS circuit layout design for an 8-bit SAR ADC system. I already have the schematic design completed, and I need the physical transistor-...
Read moreIndustrial Automation & Engineering Support -- 2
> I am the founder of SEDULOUS, providing Industrial Automation, Electrical & Instrumentation Engineering, PLC/SCADA/DCS Support, Site Installation & Commission...
Read moreClamshell Gaming Handheld Mechanical Design
Industrial Design / Mechanical Engineering RFQ – Clamshell Gaming Handheld I'm looking for a mechanical designer/product engineer to assist with the design of a...
Read moreModify Existing PCB Layout
I have a working printed-circuit board that now needs a round of updates. Once we start, I will share the current design files and a short change log; you will...
Read moreDesign a Low-Cost DC Voltage Detection Circuit and PCB in EasyEDA — 120V to 1000V DC
Design a Low-Cost DC Voltage Detection Circuit and PCB in EasyEDA — 120V to 1000V DC **Description:** I need an electronics freelancer to design a simple, funct...
Read moreArduino-Controlled Automatic Latch System
I have an Arduino Uno on hand and want to turn it into the brains of a small automatic latch setup. The end goal is simple: when a trigger signal is received, t...
Read morePCB Design and Circuit Optimization - 4 Layers Circuit 12*12 cm
Scope of Work & Deliverables 1. Circuit & Component Simulation Validate and simulate critical sub-circuits and component behaviors before moving to the layout s...
Read moreUniversal TV Remote Prototype Development
Complete Prototype Development Project Thank you for reviewing my project. My goal is to develop a working proof-of-concept prototype for, a universal rechargea...
Read moreArduino SEQLOCK V1 PCB Design
PROJECT: SEQLOCK V1 COMPONENTS LIST: Arduino Nano (U1) Buck converter MP1584EN 12V→5V (U2) Relay TONGLING SRD-05VDC-SL-C (RLY1) Transistor BC547 (Q1) Diode 1N40...
Read moreESP32 LoRa-UWB RTK Tracker Prototype
I’m building a proof-of-concept vehicle tracker that pairs the flexibility of an ESP32 with both LoRa and UWB radios and adds an RTK-capable GNSS module for cen...
Read moreOp-Amp PCB Split Redesign
I already have a complete, proven op-amp schematic with a matching single-board layout. For my next round of experiments I want to separate that design into fou...
Read more5W Class-AB Amp PCB Design
I need a compact 5 W class-AB audio amplifier that can run from a single 12 V supply. Your task is to create the full KiCad project—clean schematic, well-routed...
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