We found this circuit in a 1980s documentation. Equivalent components can be used. The circuit senses temperatures in the range of 0 to 50º C and uses a transistor as sensor.
This circuit makes it possible to recover programs recorded on cassette tape as was common in MSX...
This ultra-simple adjustable power source is of great use on the bench of any electronics...
Found in a 1990s American technical brochure, this circuit is intended for alarms that use as...