Product
use
Arduino robot kits, rain, rain sensor, can be used for all kinds
of weather monitoring, and translated into output signals and
AO.
Product introduction
1. the sensor USES the high
quality FR - 04 double material, large area of 5.0 * 4.0 CM, treatment of nickel
plating and surface, have fight oxidation, electrical conductivity, and life has
more superior performance;
2. the comparator output, signal clean, good
waveform, driving ability is strong, for more than
15 ma;
3. with
potentiometer sensitivity adjustment;
4. the working voltage of 3.3 V to 5
V
5. the output format: digital switch output (0 and 1) and analog AO voltage
output;
6. has a fixed bolt hole, convenient installation
7. small board
PCB size: 3.2 cm x 1.4 cm
8. the LM393, use of wide voltage comparator
Function
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...
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.
Connection mode
1. VCC: positive
(3-5 v)
2. GND: connect power anode
3. DO: TTL switch signal output
4.
AO: analog signal output
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