This simple photometer uses a 1 mA milliammeter and a common phototransistor. The circuit has its scale adjusted by a trimpot. The circuit is from a Radio Electronics from April 1971.
Photometer (CB24120E)
- Details
- Written by: Newton C. Braga
This simple photometer uses a 1 mA milliammeter and a common phototransistor. The circuit has its scale adjusted by a trimpot. The circuit is from a Radio Electronics from April 1971.
