Large raindrops module can be used for all kinds of weather monitoring, and translated into output signals and AO.
Treatment of nickel plating and surface, have fight oxidation, electrical conductivity, and life has more superior performance.
Has a fixed bolt hole, convenient installation.
AO analog output, which can be connected to the microcontroller AD mouth detection drops of rainfall in the above size.
DO TTL digital output also can connect to the single chip microcomputer detect whether there is rain.
Connected to 5 v power supply, power indicator, no water droplets on induction plate, the DO output high level, switch indicator light out, drop a drop of water on, the DO output for the low level, the switch light is lit,Brush away the water droplets, again to return to, the output high level.
Material: FR - 04 double material
Large area: 5.0 * 4.0
Electric current：more than 15 ma
Voltage: 3.3 V- 5 V
Output format: digital switch output (0 and 1) and analog AO voltage output
Small board PCB size: 3.2 cm * 1.4 cm
Use the LM393 wide voltage comparator
1. VCC: positive (3-5 v)
2. GND: connect power anode
3. DO: TTL switch signal output
4. AO: analog signal output
2 X Large raindrops module
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