This flasher circuit consists of an astable multivibrator with the frequencies given by the capacitors. The circuit is from 1965 using light bulbs, but LEDs can be used. Power comes from 4 batteries.
This interesting digital counter with relays with complementary outputs was found in the Radio...
The idea of this circuit is that when the device in SO1 is turned on, the device connected to...
This interesting circuit allows to obtain symmetrical voltages from a simple battery. Among its...