One of my first PCB reverse-engineering projects.The board is two-layer, with components soldered only on the TOP side.There are no components soldered on the BOT side.

This is a twin delta loop antenna designed for the 1200MHz band for HAM radio practitioners. It can be used by soldering an SMA connector.

This is the development kit using the Esp32-Wrover microcontroller that I designed.

The Linear Keyboard provides the amazing feel of a full mechanical keyboard and allows you to take its small form factor on the go!

In this tutorial, I am going to show you guys how to design this "Transformers PCB Badge" and how to solder the components to it.

Write to Z80 memory without any special feature on board or firmware

A PAL-compatible display for the Microprofessor MPF-IB and MFP-IPlus

Created a small "PCB Christmas Forest" which is going to light up my study table this Christmas.

Keychain with3*ws2812b-2020 LEDs, MCU ch32x035,IR TX and USBC

Headphone amplifier published in “Transistor Gijutsu” magazine

This guide describes how to build the XIAO METER demo board, designed to easily test a wide range of sensors using the XIAO SAMD21 by Seeed Studio, the smallest member of the Seeeduino family. The module measures only 20×17.5×3.5mm, and features a Cortex-M0 microcontroller, 11 I/O pins, and supports UART, I2C, and SPI communication. It is fully compatible with the Arduino IDE.