A pack of components to build 10 humidity sensors, ideal for class projects with students working in small groups.
This general-purpose circuit detects changes in humidity and switches the LED on or off accordingly. The sensitivity of the circuit can be set by adjusting a potentiometer.
- Pack contains:
- 10x PCB
- 10x BC548 transistor
- 10x humidity sensor
- 10x 1kΩ resistor
- 10x 100Ω resistor
- 10x 470Ω resistor
- 10x standard LED
- 10x 5kΩ potentiometer
- 10x battery connector
- Designed for use with a 6 to 9V supply
- Supplied as a pack of 10 kits
Type |
Sensor kit |
Power |
6V to 9V battery |
Range |
N/A |
Soldering |
Yes |
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