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. Elenco's Snap Circuits line is the most affordable—and also one of the ...

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 ...