The last LED on pin 1 acts as the pilot LED in this circuit from Radio Electronics magazine, June 1978. The integrated circuit is the SN75489P from Texas Instruments.
Bargraph with Pilot LED (CB24559E)
- Details
- Written by: Newton C. Braga
The last LED on pin 1 acts as the pilot LED in this circuit from Radio Electronics magazine, June 1978. The integrated circuit is the SN75489P from Texas Instruments.
