Flasher CA3130 (CB22004E)

Found in an English documentation from 1977, this flasher or pulser circuit drives an LED. The frequency depends on C2.

Sensor Shield (CB1328E)
This optical pass-through shield can be used in various applications, such as object sensing or...
Two Input Mixer (CB6307E)
Equivalent transistors like the BC548 can be used on this 1969 Mullard circuit. The circuit has two...
OR Gate with Voltage Comparator (CB19396E)
This is the traditional configuration of an OR gate using a voltage comparator, but it can also be...