Circuit Lake

Electronic Project and Circuit Collection


Infrared PC Remote Control, ATtiny85

February 19, 2013 By: admin Category: AVR, Control, Remote No Comments →

If you are looking for simple way to control your PC using your remote TV, this TinyPCRemote project by Nathan Chantrell is good solution for it. The project allows you to use infrared remote controls to trigger keyboard commands (single characters, string or Meta keys) on your PC. You can use it as media player […]

AVR Digital Stethoscope

February 11, 2013 By: admin Category: AVR, Data Acquisition, Detector, Measurement, Microcontroller No Comments →

This digital stethoscope can be used as computer aided diagnosis (CAD) applications for the detection of cardiac murmurs. It can assist physicians in analyzing cardiac signals in real time during auscultation to reduce the risks of not detecting heart murmurs conditions. The Stethoscope system is built based on ATmega644 AVR microcontroller and custom-built sensor to […]

LiPo Internal Resistance Meter, AVR ATmega8

February 10, 2013 By: admin Category: AVR, Measurement No Comments →

This ATmega8-based device can be used to measure the internal resistance of Lithium Polymer (LiPo) batteries used in electric RC models. By measure the internal resistance you can estimate your battery age and condition, whether the lipo is still good enough to power your RC model or you need to find new battery. New LiPo […]

AVR Remote Power Control

January 29, 2013 By: admin Category: AVR, Control, Monitoring, Remote No Comments →

PowerManager allows you to monitor and control your home power through a web browser on a local area network (LAN). You can turn on or off any devices that plugged to PowerManager’s outlets with the click of a button on a webpage. The system based on AVR ATMEGA644 microcontroller and ENC28J60 Ethernet controller. This embedded […]