The raindrop sensor module is used for rain
detection. It is also for measuring rainfall intensity. The module includes a
rain board and a control board that is separate for more convenience. It has a
power indicator LED and an adjustable sensitivity though a potentiometer. The
module is based on the LM393 op-amp. It includes a printed circuit board (control
board) that “collects” the raindrops. As raindrops are collected on the circuit
board, they create paths of parallel resistance that are measured via the
op-amp. The lower the resistance (or the more water), the lower the voltage
output. Conversely, the less water, the greater the output voltage on the
analog pin. A completely dry board, for example, will cause the module to
output five volts.
1.
Operating voltage: 5V
2.
Provide both digital and analog output
3.
Adjustable sensitivity
4.
Output LED indicator
5.
Compatible with Arduino
6.
TTL Compatible
7.
Bolt holes for easy installation
8.
3.2 cm x 1.4 cm x 1.0 cm
1
x raindrop sensor module set
2 x Female/Female jumper wires
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