EMI-Free ESP32 Sensor Interface Board
My press machine sits in a very noisy electrical environment—motors, relays, and plenty of EMI that keeps corrupting the signal coming from a PNP sensor. The se...
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Innovative Bone-Conduction Device Development
Main requirements: * Device should sit behind the ear on the mastoid bone area * Hidden inside hair so almost invisible during normal use * Very lightweight and...
Read moreHam Radio PCB Design
I need a PCB designed for a ham radio device. The PCB should support the functionality of transmitting signals. Requirements: - Design a PCB specifically for ha...
Read moreEducational Robotics Enclosure Design -- 2
Product 1: Programmable Board Enclosure (DIY Robotics MCU) • Purpose and audience: Enclosure for a student-friendly robotics microcontroller (Classes 6–12); mod...
Read moreKiCad 4-Layer Route Fix -- 2
My 4-layer PCB for a 4 G modem is already laid out in KiCad, but several nets are still marked “unconnected.” I need those cleaned up so the board is ready for...
Read moreKiCad 4-Layer Route Fix
My 4-layer PCB for a 4 G modem is already laid out in KiCad, but several nets are still marked “unconnected.” I need those cleaned up so the board is ready for...
Read moreXTEN-AV Engineering Schematics Design
I need detailed engineering schematics for an audio-visual system and would prefer they be created directly in the XTEN-AV platform. The project is strictly tec...
Read moreToy-Sized Mini Leaf Blower Design -- 2
I’m putting together a palm-sized “mini leaf blower” that’s as much a gag gift as it is a functional novelty. At the heart of the unit I want to work with eithe...
Read moreESP32 4-Relay PCB Design -- 2
I need a production-ready PCB for a new “Urban Proto” 4-channel relay module. The board must be square, as space inside the enclosure is tight, and it needs to...
Read moreCompact MP3 Playback PCB
I need a complete schematic and board layout for a sub-100 × 100 mm PCB that can store and play MP3 files. The board must work flawlessly from either a 5 V USB...
Read moreCompact 12V Boost Converter PCB
Project Overview We are looking for an experienced PCB designer to develop a compact production ready DC-DC boost converter PCB for our RC product lineup. The P...
Read moreCustom Industrial RP2040 PCB
I’m building a real-time monitoring device around the Raspberry Pi Pico (RP2040) and need a robust, industrial-grade PCB that keeps everything tight and reliabl...
Read morePCB Industry Expert Consultation
I'm seeking a seasoned PCB industry expert from Apex Circuit Thailand. We're a service provider looking to understand future outlooks, profitability, and more....
Read moreQi Smartphone Charger Schematic Design
I need a complete schematic for a single-device wireless charger that can safely power any Qi-compatible smartphone. Your work should cover the full signal path...
Read moreFADEC ECU Multilayer PCB Design
1. Main Controller • The board’s main controller will be a microcontroller from the Teensy 4.0 class. It must have sufficient processing speed and GPIO capacity...
Read moreSTM32 PWM & Load Emulator
Project Overview STM32-based automotive signal and load emulation module. Main goals: - Generate 4 independent 5V PWM outputs at fixed frequency (200 Hz) - Conf...
Read moreArduino Car Interface PCB Design
I need a PCB design for an Arduino car interface. The interface will connect to various sensors, primarily temperature sensors, and will manage indicator lights...
Read morePCB Control Servos Animatrónicos
Necesito los archivos Gerber y la lista de materiales (BOM) para un prototipo de tarjeta que controle entre 1 y 5 servomotores y actuadores lineales destinados...
Read moreHardware and Firmware Engineers for Smart Water System Prototype
We are seeking experienced hardware and firmware engineers to collaborate on developing a prototype for a smart water management device. The hardware engineer w...
Read moreFix ATMS PCB Power Planes
My almost-finished ATMS board in Altium Designer still has its 5 V rail and ground net incompletely routed. I need a fellow Altium specialist to open the existi...
Read moreToy-Sized Mini Leaf Blower Design
I’m putting together a palm-sized “mini leaf blower” that’s as much a gag gift as it is a functional novelty. At the heart of the unit I want to work with eithe...
Read moreEasyEDA PCB Layout Help Needed – Small Portable Multi-Radio Board
**Description:** I’m looking for someone to help me finish a PCB layout in EasyEDA. The schematic is mostly done, the main component placement is already there,...
Read moreAntenna-Integrated UHF Module Design
I need a complete design with test prototype units for an economical, antenna-integrated UHF RFID module that can reliably read any kind of UHF tag at 6–10 m, i...
Read moreDesain PCB & List Komponen
Saya memiliki dua PCB 2-layer berisi rangkaian Analog yang sudah berfungsi. Saya perlu seluruh layoutnya digambar ulang, diverifikasi, dan disiapkan untuk produ...
Read moreMultidisciplinary IoT Circuit & Design Support
I am developing an IoT-based device that needs solid engineering groundwork as well as clear visual assets. The core of the job is twofold: 1. Circuitry and sof...
Read moreCompact Wearable Electronics System Design
Design a early proof-of-concept compact wearable electronics system suitable for PCB manufacturing and assembly. I am developing an early-stage wearable prototy...
Read morePCB simple design CH32V003F4P6 and esp32 board
Need two simple PCBs designed in EasyEDA, JLCPCB-ready Board 1 – Master ESP32 + W5500 module + MAX3485 RS485 transceiver + AMS1117-3.3 (12V→3.3V) . Board 2 – Sl...
Read moreIndustrial Automation FOC Controller PCB Design
I need a PCB design for a Field Oriented Control (FOC) controller/driver, primarily intended for industrial automation applications. This controller will be use...
Read moreSmart Irrigation System Development
I have an irrigation startup involving soil capacitor sensors. Key tasks include: Designing the outer frame and protein it using 3d printer The outer frame shou...
Read moreCompact Voice-Command PCB Design
I’m building a tiny, low-profile board—roughly Apple AirTag size—that understands basic voice commands, confirms them with short beeps, and runs entirely from a...
Read more15W Qi Charger PCB Design
I need a complete PCB design for a 15W Qi-compliant wireless charging transmitter. The board will be powered from a USB-C input and must expose simple 5V positi...
Read moreNFC Clock In/Out System PCB & Enclosure Design
I am developing a wall/desk-mounted NFC clock in / out system. I already have a working prototype and firmware completed using Arduino IDE on ESP32. I now want...
Read moreArduino Nano VRX Auto-Scanner
I only accept the price in the bud so don't come asking my budget in inbox or increasing again I'll cancel you immediately. I need a fully-commented Arduino Nan...
Read moreCustom PCB for Energy Monitoring
I'm looking for a skilled PCB designer to create a custom board for an energy monitoring application. The PCB will be used to monitor grid electricity and will...
Read moreSketch for Arduino Nano V3
I only accept the price in the bud so don't come asking my budget in inbox or increasing again I'll cancel you immediately. I need a fully-commented Arduino Nan...
Read moreSafe Load Indicator Datasheet Design
I need a comprehensive datasheet for a safe load indicator, focusing on user interface details and electrical properties. Specifically, the datasheet should det...
Read moreCustom Electronic Tea Kettle Design
I need an electronic tea brewing kettle designed with specific features. Essential Features: - Temperature Control: Ability to set a specific brewing temperatur...
Read moreGlobal Inquiry: Development of a Medical-Grade Extracorporeal Device
We are seeking an experienced manufacturing unit or organization with expertise in medical device development to collaborate on creating an extracorporeal devic...
Read moreBluetooth Speaker SVG Wiring Diagram
I need a clean, easy-to-read wiring diagram for a DIY Bluetooth speaker kit delivered as an SVG so I can resize it for different assembly guides without loss of...
Read moreESP32-S3 to TI-84 PCB
Project: Compact PCB for XIAO ESP32-S3 Sense + TI-84 Link Port I need a compact, production-ready PCB that integrates a Seeed Studio XIAO ESP32-S3 Sense module...
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