These circuits demonstrate applications using a diode as a temperature sensor: a) The electronic candle LED turns off when air is blown onto the 1N4148 diode. By using a resistor-trimpot combination, more precision adjustment is possible. Perhaps -5 V for
Figure 2. These circuits demonstrate applications using a diode as a temperature sensor: a) The electronic candle LED turns off when air is blown onto the 1N4148 diode. By using a resistor-trimpot combination, more precision adjustment is possible. Perhaps -5 V for