PIC12F675 Based Brushed Motor ESC

This brushed motor ESC is designed to be used for aircraft as it uses a Microchip PIC12F675 and a small number of components.

DDS Signal generator Based on AVR

This AVR DDS generator was designed to generate signals from 1Hz up to 65535Hz with various waveform and frequency.

Atomic Clock Using Nixie Tubes

This Atomic Nixie Clock came from the concept of building a simple Nixie clock but it turned out that a WWVB receiver and decoder chip were also employed.

12V Car Charger for ASUS Eee Notebook

This charger is built around the LM2576 Simple Switcher IC which can power any device from a car or 12V SLA battery.

Light Detector for the ARobot Assembly

Building a light detector for ARobot is the goal of this application which can be used for light following and to tell whether the robot is inside or out or when the light is ON or OFF.

Free-Flight Timer with Brushless Feature

Illustrated in this project is an easy to use and light brushless free-flight timer which has been converted from a cheap commercial speed controller.