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 two-transistor circuit features excellent gain operating with low impedance microphones. The...
Is already availablefrom Mouser Electronics is the new reflective B5W-L01 sensor for convergent...
An interesting type of sensor for specific applications is the sensor formed by piezoelectric...