This circuit was obtained in a Hands-On Electronics from the 90's. The circuit turns on one LED at the end of the timer, erasing the other. The timing can be increased by changing C1.
We found this circuit with several types of sensors in a 1995 documentation. The circuit also has...
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...
This antenna or booster amplifier operates with signals from the midband (MW) range up to the VHF...