Raindrops Rain Detection Sensor Module Modue Weather Humidity for Arduino New
features:<br>the item is for arduino robot kit, raindrops, rain sensor, monitoring can be used for a variety of weather conditions, and converted into the number of the reference signal and the ao output.<br><br>product description:<br>1. the sensor uses the 04 high-quality double-sided materials, king size 5.0 * 4.0cm, and with the surface of the nickel plating treatment, against oxidative, conductivity, superior performance and longevity;<br>2. the comparator output, the signal is clean, waveform, driving ability over 15ma;<br>3. distribution bit to adjust sensitivity;<br>4. operating voltage 3.3v-5v<br>5. the output in the form: digital switching outputs 0 and 1 and analog ao voltage output;<br>6. a fixed bolt hole for easy installation<br>7. voltage: 5v<br>8. power indicator, the output signal led indicator.<br>9. ttl-level output, ttl output valid signal is low. driving capability 100ma so, can directly drive relays, buzzer, a small fan, and so on.<br>10. sensitivity can be adjusted via potentiometer<br>11. led lights up when there is no rain output is high, raindrop up, the output ground level, led light.<br>12. raindrops and control panels are separate, easy to wire leads.<br>13. a large area of ??rain board, more conducive to detect rain.<br>14. board with positioning holes to facilitate installation<br>15. small board pcb size: 3.2cm x 1.4cm<br>16. wide voltage lm393 comparator<br><br>how to use:<br>connected to 5v power supply, the power indicator light, sensor board is not water droplets, do output is high, the switch lights off, dropping on a drop of water, do output is low, the indicator light switch,<br>brush off the the above water droplets, has returned to output high state. . . .<br>ao analog output can be connected to the microcontroller ad port to detect the size of the drops in the above rainfall.<br>do ttl digital outputs can also be connected to the microcontroller detects whether there is rain.<br><br>connection mode:<br>1, vcc: positive power supply 3-5v<br>2, gnd: negative one.<br>3, do: ttl switching signal output<br>4, ao: analog signal output<br><br>package including:<br>100% <br>1 x rain sensing board<br>1 x control board<br>5 x 20cm dupont line