Affordable and reliable modules for Arduino, ESP32, and Raspberry Pi projects.

Hello! I’m SIYUAN, an electronics enthusiast and hardware designer.
I love building projects with Arduino, ESP32, and Raspberry Pi, and I’ve created a collection of useful modules and kits to make prototyping easier for makers, students, and hobbyists around the world.

My goal is to provide high-quality, well-documented modules at fair prices. Each product comes with datasheets, example code, and tutorials to help you get started quickly.

What I Sell

Arduino & ESP32 shields

Sensor modules and breakout boards

Raspberry Pi accessories

DIY learning kits for electronics beginners

Why Buy From Me?

Tested and verified modules with example projects

Beginner-friendly documentation and code samples

Affordable international shipping

Support via GitHub, email, or Tindie messages