Circuit Lake

Electronic Project and Circuit Collection


Atmel maXTouch Capacitive Touchscreen Controller

September 24, 2009 By: admin Category: News No Comments →

atmel maxtouch

Atmel released of its new maXTouchâ„¢ family of capacitive touchscreen controller solutions, capable of supporting an unlimited number of unique simultaneous touches with a video-quality screen refresh rate of 250 Hz. Atmel’s new maXTouch technology platform supports the development of touch screens surpassing 10 inches with full zoom, rotate, handwriting and shape recognition functionality. In […]

EDN’s Iron Circuit Designer Contest 2009

May 10, 2009 By: admin Category: News No Comments →

Electronic Design Contest

Do you like electronic circuit design? If you do. EDN held Circuit Designer Contest 2009. It’s time for you to show your electronic design skill and build interesting electronic project. Who knows you will be the winner of EDN’s Iron Circuit Designer Contest 2009. EDN’s Iron Circuit Designer Contest allows engineers and techies alike to […]

PIC Project: VGA Tester

April 22, 2009 By: admin Category: Digital, News, PIC, Project, Video No Comments →


VGA Test Box is VGA tester project created by Chris. The goal of this project is to create a device that is capable of outputting VGA signals to a CRT monitor in order to display figures, text and characters. Timing is a core essential in this project. The project use Microchip PIC microcontroller at 4 […]

Constant Current White Led Lamp Driver

April 19, 2009 By: admin Category: Analog, LED, News, Project, Tutorial No Comments →


We know that most flashlights require three cells because they are regulating output current with only series resister. The odd number of cells except one is not good, and a margin between VLED and VBAT is too small, intensity of light is affected by variation of input voltage within the battery life.