This LED constant current source circuit is from Radio Electronics magazine, November 1972. The transistors are usually older versions of the BC558 and BC548. The current is 2 mA.
LED Constant Current (CB24215E)
- Details
- Written by: Newton C. Braga
This LED constant current source circuit is from Radio Electronics magazine, November 1972. The transistors are usually older versions of the BC558 and BC548. The current is 2 mA.
