Smart Electronics Raindrop sensor module/rain sensor/large area raindrop module
                                                                                                                            Raindrop sensor module/rain sensor/large area raindrop module
* Distribution bit to adjust sensitivity
 *  A fixed bolt hole for easy installation
 *  Power indicator, the output signal LED indicator 
 * The comparator output, the signal is clean, waveform, driving ability over 15mA
 *  Wide voltage LM393 comparator
 * A large area of rain board, more conducive to detect rain
 *  Board with positioning holes to facilitate installation
 *  Raindrops and control panels are separate, easy to wire leads