Skip to main content

New answers tagged

0 votes

Solar Array Control With Photocell

As the Amazon link title states, that's a DC NPN 4 Wire NC NO Nomal Close / Open Photoelectric Sensor with a sensing range 10 - 30 cm. These are used to detect presence or absence of parts in ...
Transistor's user avatar
  • 177k

Top 50 recent answers are included