Circuit Lake

Electronic Project and Circuit Collection

Interfacing


Head-Controlled Keyboard And Mouse For Disabled, AVR ATMega32

October 07, 2012 By: admin Category: AVR, Control, Interfacing, Wireless No Comments →

Easy Input is a head-controlled keyboard and mouse input device for paralyzed users. The system is built based on AVR ATMega32. It uses user’s head movement to control mouse movement on the monitor and user’s eye blinking to activate mouse click. Two main sensor used for this project are Freescale MMA6560Q accelerometers to detect head […]

Low Cost Ethernet shield for Arduino with ENC28J60

July 22, 2012 By: admin Category: Arduino, Interfacing, Remote No Comments →

If you are looking for low cost and home made Ethernet shield, you can try this project. Boris Landoni has made low-cost Ethernet shield for Arduino using traditional mounting components. This feature makes the circuit accessible to those who haven’t the equipment to assemble SMD components. The data-rate is limited to 10 Mbps.

5 Channel USB Analog Sensor with AVR ATmega48

July 19, 2012 By: admin Category: AVR, Data Acquisition, Interfacing, USB No Comments →

This project demonstrates how to build a simple module to read analog sensor and send the data to PC using USB connection. The project uses ATmega48 as main processor and USB FTDI serial-to-usb cable. Simply put header pins on your device which you can plug into providing the microcontroller-computer link. No need for soldering surface-mount […]

Home Phone Caller Filter and Blocker

July 16, 2012 By: admin Category: Interfacing, Miscellaneous, PIC No Comments →

BALSAMO is dsPIC-based incoming calls filter for your line phone. It can be used to ‘block’ a hidden or blacklisted number. Doragasu, project designer, implemented Caller ID protocol in the firmware due to lack of Caller ID decoder IC.