This circuit was suggested by Texas Instruments in a 1980s documentation. The transistor must be equipped with a heat sink. The transformer has 10 A secondary current.
I found this circuit in a 1974 magazine, but it can still be easily assembled because the...
This circuit transmits in the FM band. It is a good range FM transmitter found in a 90's Silicon...
A flash of light directed at the LDR causes the SCR to fire and the motor to be activated in the...