This timer was found in Japanese documentation from the 1960s. The transistor can be replaced by an equivalent and the relay must be of the sensitive type with voltage according to the power supply.
Small inverters can help to obtain high voltages from batteries. Although the switched inverters that...
It is an ideal assembly to be implemented as work by students of digital electronics courses, as...
In this very simple circuit, the LED flashes at a frequency of 60 Hz. It is convenient to check the...