Circuit Lake

Electronic Project and Circuit Collection

LCD Related Resources

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 […]

COM Port Number Detector for Serial to USB Adapter

January 17, 2013 By: admin Category: Detector, Display, PIC No Comments →

Xser is PIC18F2553-based serial to USB adapter with a small LCD display. When connected to a computer, the LCD shows the COM port number assigned to the device. This device helps you to find correct COM port for the USB adapter device without need to check it in your control panel.

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 […]