Content for Project

An ESP32 based RF antenna matrix

“Playing around with SDRs for more than 14 years now, I learnt a lot. Not on a very professional level, but on a hobbyist niveau. I went through developing some firmware for the CY7C68013A, a framework for transferring IQ data …

Arduino Nano Quadcopter

“This is Arduino based and 3D printed nano quadcopter which flies on DC brushed motors. The name nano comes from the fact that the project is based on Arduino nano, which I think is one of the most successful dev …

Commodore 64 to Raspberry Pi Pico RAM interface

“This project exposes a 16 KiB window of a Raspberry Pi Pico’s RAM to a Commodore 64 via the expansion port. It includes a hardware design and software for the Pico C++ SDK. The Hardware Schematic, PCB, and project …

Designing a programmable sound generator board

“I’ve recently been getting into chiptunes, including both writing music as well as programs to generate the sounds that play the music. My interest in sound generation goes back to 2018, when I wrote a small library for TI …

DIY Arduino Audio Spectrum Analyzer on VFD Display

“A spectrum analyzer is a measurement tool that displays real-time frequency analysis of incoming audio signals. It is usually an integral part of equalizers and audio signal processing devices. The vertical axis shows the amplitude of certain frequencies measured in …

DIY Pan Tilt Control Using Servos for ESP32 Cam

“Tilt Control Using Servos for ESP32 Cam ! WiFi Security Camera This guide will show you how to use two servos to create a pan-tilt control for the ESP32-CAM. The ESP32 Cam is a small camera that can be used …

Homebrew 8088

“This web page is dedicated to my 8088 Motherboard project. The Motherboard is built to be generally PC XT compatible. The schematics and source code can be found on my GitHub page. Features: -8088, NEC V20, OR NEC V40 Processor …

MacroPad - Macro Keyboard

“The MacroPad is a Raspberry Pi PICO based Micropython macro keyboard. I features a SD card that can hold multiple macro sets for each program you load on the card. Each TXT file can map a caption, color, and series …

MPU6050 Gyroscope with Arduino

“A small but very optimised 3 axis accelerometer, 3 axis gyroscope having inbuilt temperature sensor. Let’s pair it with Arduino. Three Axis gyroscope sensors are very useful in making like flight controllers, ship/boat controllers, direction prediction and controlling …

PasswordVault on Seeed Studio Wio Terminal

“A cute open hardware device with open source software to store your passwords securely and type them PasswordVault on Seeed Studio Wio Terminal is designed by Dr. Olav Schettler in Germany, and it’s available on Tindie. If you like …