Large Liquid Crystal Light Valve - Controllable Shutter Glass Shipping:4-6 Days * Two Programmable GPIOs

* Two Programmable GPIOs

Science and Medicine) radio band

* 1x Pocket AVR Programmer

Rotating the potentiometer marked SPEED clockwise will increase the maximum power output

This schematic is also available as a downloadable pdf (93k pdf)

Large Liquid Crystal Light Valve - Controllable Shutter Glass Shipping:4-6 Days * Two Programmable GPIOsWhat do you get when you power a layer of liquid crystal material sandwiched between two sheets of glass? A Liquid Crystal Light Valve (aka to LCD Controllable Black out Panel)! They're often used for electric welding helmets because they can protect the welder's eyes from the bright sparks. Or if you aren't a welder they can be used to provide a "reveal" effect for your project, as you can control the opaqueness of the LCD. A Liquid Crystal Light