This circuit also appears elsewhere on this site, obtained from other sources. This is an 80's American schematic book. Instead the lamp can be used white high-brightness LEDs.
This is the basic receiver for the CIR12025 that consists of the transmitter. The circuit is...
This circuit is used in the analog part of the telephone lines. The same circuit can directly...
Mouser Electronics is making available the SLN-IOT-GPT Integrated Development Experience, a...