Circuit Lake

This project is a simple Renesas M32C/84 microcontroller-based Optical PhotoElectric Beam sensor. It could be used for various applications such as security sensor, optical switch counter, electronic lever trip alarm, etc.

This project tends to do something different from the usual use of optical navigation sensor for movement detection. It will use the image capturing function [...]

The purpose of this project is to build a device that can keeps track of the score and which team is serving. Mounted on the edge of the ping-pong table, the device speaks to you – scores and service are announced verbally. They are also displayed on the LCD.

The ping-pong score keeper is built using [...]

This LED candle is built to mimic the look of a traditional candle without the dangers associated with an open flame. It uses high brightness LED and is controlled by ATtiny85. It could be useful as movie props where you cannot afford to have a candle go out during a take or in your home [...]

This smart cat door/flap helps you prevent unwanted cat to enter your house. It can only be opened by the cat/animal that wears the appropriate RFID tag. Main component of project including Arduino for main processor, Hall-effect sensor, Sharp GP2D12 infrared proximity sensor, 5V RF reader module, and RF tag. The project has custom made [...]