Circuit Lake

Electronic Project and Circuit Collection


Brain-Controlled Helicopter

December 12, 2012 By: admin Category: Arduino, Control, Remote, Wireless No Comments →

Puzzlebox Orbit is an open source brain-controlled helicopter with open hardware, software, and teaching material. It has unique spherical design that protects helicopter blades from unintended impact with objects such as walls and ceilings, while lending a pleasantly technical aesthetic.

One IC FM Radio Receiver based on TDA7000

October 21, 2012 By: admin Category: Analog, Miscellaneous, Wireless No Comments →

This simple FM receiver is built based on IC TDA7000 with minimum passive component. It can receive entire 88 – 108MHz FM band with good sensitivity. A nice feature of this TDA7000 FM receiver is a voltage controlled oscillator. Instead of using trimmer (variable capacitor), you can tune the frequency by varying the input voltage […]

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 […]

RFID Car Lock and Unlock

October 02, 2012 By: admin Category: Arduino, Remote, Wireless No Comments →

Many new cars have key less entry options to lock and unlock the door. It makes your life easier. But, if you have old car and want to add this feature, you can make your own Wireless Car Lock and Unlock based on RFID. Mathew has built a nice RFID Car Lock and Unlock for […]