A designer who uses a phototransistor to convert a modulated optical signal to an electrical signal frequently encounters problems when high-intensity background light saturates the phototransistor.

The dark detection circuit is very simple that it was designed with only a phototransistor providing a control on a single LED which may be used for pumpkin lanterns. The dark detection circuit is ...

Introduce your kids to Arduino and circuits with Elenco's Snap Circuits Snapino kit, but be prepared for a learning curve. Elenco's Snap Circuits line is the most affordable—and also one of the ...

Arduino is the now-famous microcontroller that has set a portion of the maker community free to design amazing creations. The Arduino board and platform is fairly simple, but it can be intimidating to ...