Rain Drop Sensor

Rain Drop Sensor

Rain Drop Sensor

99.00 (83.90 + GST)

In stock

99.00 (83.90 + GST)

Availability: In stock SKU: 2339 Category:
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Description

This module allows you to measure moisture via analog output pins and it provides a digital output when a threshold of moisture is exceeded. The module is based on the LM393 op-amp which is a control board that that collects and sends data to the microcontroller. 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 will cause the module to output five volts.

Features:

  • Easy to use
  • Comes with control board
  • Hookup wires included

Pin details:

Vcc – 5V Power Supply

GND – Ground

DO – TTL Switch Digital output

AO – Analog Output

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