We found this circuit in a 1985 technical publication. The circuit uses PUTs to drive lamps. Relays or LEDs can be used with the voltage according to the supply.
The time the output is high (1) of a TLCSSB in the astable configuration depends on Ra and C. The...
The adjustment of the maximum load voltage is made in the trimpot. The circuit is from 1994...
This circuit from a 1967 documentation generates 2.5 Hz signals depending on the capacitors used,...