This circuit triggers a relay when the set temperature is reached. The circuit is from an old documentation. The relay may be equivalent according to the transformer secondary voltage.
Three 4011 NAND gates and two more components - a resistor and a capacitor make this oscillator very...
The integrated circuit used in this project is not common today. The circuit must be powered by a...
This circuit is from an American technical documentation from the 70s, but it can be easily...