20 PCS A39 Raindrop Detection Sensor Module

20 PCS A39 Raindrop Detection Sensor Module
  • Product Code:SQ8242
  • Availability: In Stock
  • $8.20
  •  
  • Ex Tax:$8.20
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Tags: Snow Raindrop, Humidity Raindrop, A39 Raindrop, Weather Controller

Description:    (028) Raindrop module / sensor rain module / sensor weather module large area raindrop mold     The Arduino robot kit, raindrops, and rain sensors can be used to monitor various weather conditions and convert to digital signals and AO outputs.    The sensor adopts high quality FR-04 double-sided material, large area       4.0CM, and treated with nickel plating surface, which has superior performance against oxidation, electrical conductivity and life;       Comparator output, The signal is clean, the waveform is good, the driving ability is strong, more than 15mA;       The potentiometer adjusts the sensitivity;      The working voltage is 3.3V-5V     5. The output form: digital switch output (0 and 1) and analog AO voltage output ;    6, a fixing bolt hole, easy installation 
7, platelets PCB size: 3.2cm X 1.4cm     . 8, the use of wide voltage comparator LM393        
The rain sensor module is an easy tool for rain detection. It can be used as a switch when raindrop falls through the raining board and also for measuring rainfall intensity. The module features, a rain board and the control board that is separate for more convenience, power indicator LED and an adjustable sensitivity though a potentiometer.    The analog output is used in detection of drops in the amount of rainfall. Connected to 5V power supply, the LED will turn on when induction board has no rain drop, and DO output is high. When dropping a little amount water, DO output is low, the switch indicator will turn on. Brush off the water droplets, and when restored to the initial state, outputs high level.

20 PCS A39 Snow Raindrop Weather Detection Sensor Module package contains 20 pieces of raindrop detector module, which is based on 

 

 

 

connected to 5V power supply, power indicator light, when no water sensor pad, The DO output is high, the switch indicator is off, a drop of water is dropped, the DO output is low, the switch indicator is on,   the water drop on the brush is removed, and it returns to the high level state. . . .     AO analog output, you can connect the AD port of the microcontroller to detect the amount of rain on the drop.   The DO TTL digital output can also be connected to a microcontroller to detect rain.

Features:
Operating voltage: 3.3V~5V
Using wide voltage LM393 comparator
PCB size: 32mm x 14mm

Connection mode:
VCC: connect to the power supply positive pole (3-5V)
GND: Connect to the power supply negative pole
DO: TTL switching signal output
AO: analog signal output

Package Include:
20 x A39 Raindrop Module
20 x Controller Board
40 x Cables

Interfaces
Interface Type Digital and Analog
Electrical Parameters
Operating Voltage 3.3V~5V
Physical Parameters
Size 32mm x 14mm
Weight 10g

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