This circuit uses a power component that is not common today, being recommended by Motorola in the 90's. Note the need for symmetrical power supply.
This circuit controls a relay in a bistable way by touching the sensors type NF (CH3) and NO...
This circuit can generate signals from 100 kHz to 50 MHz depending on the crystal and the...
This circuit consists of a traditional version of dimmer with triac and was found in a 2000...