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.

Introduce your kids to Arduino and circuits with Elenco's Snap Circuits Snapino kit, but be prepared for a learning curve. Best Deal£66.2 Elenco's Snap Circuits line is the most affordable—and also ...

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 ...