This circuit, to control air conditioning systems, was found in July 1984 Radio Electronics magazine. The circuit is for old types of the time that did not have microcontroller control.
This circuit, obtained from the component manual used, has an ultra narrow 1 kHz range given by...
The figure shows how to implement a No – OR or NOR function with 1 general purpose transistor. The supply...
According to its author, this device indicates the amount of force applied to the sensors. The...