Optical Communicator Receiver (CB21021E)

Found in documentation from the 90s, this circuit makes use of components from the period. Equivalent components can be employed in a modern version.

| Clique na imagem para ampliar |

Balanced Mixer as Product Detector (CB4235E)
Found in a 1980s telecommunications documentation, the circuit presented acts as a product...
RN2903 Transceiver Module for Long Range (COM036E)
It can be obtained from Mouser Electronics new transceiver modules long range (LORA) Microchip...
Automatic Reset Circuit for Infrared Control (CB24832E)
Working with the previous circuits, this circuit resets after 1 second. The circuit is from Radio...