Circuit Lake

Electronic Project and Circuit Collection

AVR


AVR Auto Composing Piano

January 27, 2013 By: admin Category: Audio, AVR, Miscellaneous No Comments →

This ATmega644-based smart piano can composes music of your own taste automatically. What you have to do is select a mood of the music and play two notes upon which the music is based, and then let the piano create the music for you. You can also train the piano by first playing several pieces […]

Color to Sound Player, AVR ATmega1284

January 18, 2013 By: admin Category: AVR, Converter, Miscellaneous, Project No Comments →

This ATmega1284-based project can convert the color to sound directly. It can be used as cassette player that plays through a tape of colors. It determines the RGB content of a surface and then speaks the color or plays a musical tone at the sound frequency mapped to the color. The user can select between […]

Bluetooth Network Activity Monitor

January 16, 2013 By: admin Category: AVR, Monitoring, Wireless No Comments →

This Network Activity Monitor is built based on ATmega328p microcontroller. It can display your current network status like download and upload speeds, ping, lost packets, email notifications, ADSL parameters and history graph of Down/Up without need to log in to your routers web page or SSH.

Pulse Oximeter and Heart Rate Meter

January 15, 2013 By: admin Category: AVR, Measurement, Monitoring, Project No Comments →

The purpose of the project is to build a low cost pulse oximeter and heart rate meter powered by solar energy. The idea based on the fact that the oxygen saturation of blood is one of the most important parameter to be monitored. By make it low cost and solar powered, the device is ideal […]