This receiver for infrared remote control was found in the Philips Databook of 1990, The circuit operates with 5 V and is intended for receiving data.
This touch sensor, found in an American documentation on transistors, has gained 8 million times...
The block shown in the figure is a basic source with a configuration widely used in technical...
The output of this circuit must be connected to the input of an audio amplifier. The microphone is a small...