Basic Latch (CB7981E)

This circuit can be applied to several logics. The circuit is from an Electronics Now from the 90s, using two push-buttons.

Modulated light receiver (CB7846E)
This circuit is indicated to function as a receiver of the previous circuit. The circuit is from...
Modulated ultrasound transmitter (CB22128E)
We found this circuit in an old English publication. Transistors are general purpose and the block...
Transistor Bargraph (CB4577E)
This circuit is from a 1995 publication. The components are all common and the number of LEDs may...