This circuit compensates for the brightness of an LED as a function of temperature. We found it in an Electronic Design from the 80s. The components admit equivalents.
This ultra-low frequency receiver circuit was published in the August 1973 issue of Radio...
Maxim MAXREFDES67 Universal Analog Input Micro PLC is ideal in factory automation because of its...
The sensor of this circuit is an NTC with a resistance between 200 and 1000 ohms. The resistor R1 must...