EDN

Light to Arduino Experiment

Now we can stepped into the light with our favorite microcontroller Arduino! Since a vast number of analog/digital ambient light sensors/light sensor modules are now available at reasonable price, ...
Hackaday

Trying To Measure The Speed Of Light With An Arduino

We know that measuring the speed of light with an Arduino is possible. It’s just that the implementation is hard. [Udo] hit upon the idea of pulsing a laser pointer and measuring the time of the ...
Electronic Design

Ambient Light Sensors Control LCD Backlighting

A family of analog and digital ambient light sensor (ALS) ICs permits efficient control of LED backlighting for LCD-equipped devices. The BH16xx analog devices provide a linear current output ...
EDN

Arduino Uno Clock and Temperature Monitor with LCD

The past month or so I’ve been playing with the Maxim DS1307 Real-Time-Clock and DS1621 Temperature Sensor ICs. I hooked them up to an Arduino Uno board with a Parallax Serial 16×2 Character LCD. I ...
Wired

Gestural Computing Breakthrough Turns LCD Into a Big Sensor

Some smart students at MIT have figured out how to turn a typical LCD into a low-cost, 3-D gestural computing system. Users can touch the screen to activate controls on the display but as soon as they ...