The PNP transistor can be a BC548 and the NPN any common phototransistor. The circuit is from 1968 documentation and the power supply can be made with voltages from 9 to 12 V.
Simple Photometer (CB14456E)
- Details
- Written by: Newton C. Braga
The PNP transistor can be a BC548 and the NPN any common phototransistor. The circuit is from 1968 documentation and the power supply can be made with voltages from 9 to 12 V.
