Found in a 90's EDN, this circuit can be used as a shield. The components depend on the MOSFETs and the load that must be controlled. The logic is TTL.
The integrated circuit used in this old configuration is not common today. In it we have the way...
In the figure we have a diagram of a thermostat using an NTC and an operational amplifier 741. The...
For those who work with reproduction or development of photographs or simply like to cook their egg...