This 5mm Water-clear Phototransistor will pick up visible and infrared light and conduct current. When light reaches this high sensitive/fast response time component it's much like current reaching the base of a transistor which allows current to flow from collector to emitter.
FreeM is a wireless Infrared I2C controller for completely stand-alone programming and control of BlinkM smart LEDs. It's like an invisible wire linking a Remote, a LinkM, and/or an Arduino to BlinkMs.
Warning: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Please visit www.P65Warnings.ca.gov for more information. This item was manufactured prior to August 31, 2018.