Simple Electronic Thermometer (CB525E)
- Details
- Published: Monday, 27 July 2015 00:00
- Written by Newton C. Braga
This circuit can also be used as a simple thermoscope (temperature changes indicator) in the school’s laboratory. The sensor is a diode and the meter has is 200 µA full-scale micro-ameter. The circuit can be powered from 6 to 9 V supplies and current drain is very low.
