Modul Sensor Deteksi Kelembaban Tanah Pompa Air Irigasi Otomatis

Product description: Relatives asked if sensors supported measurement of absolute humidity, knowledge about tenology, absolute humidity values are for air, refers to the quality of water contained in a cubic meter of air, the index is not uniform in soil due to the dissoing of soil to water., so i can #39;t measure it, nor is there any discussion value. This plate can measure humidity and determine watering equipment swit according to humidity, sensitivity can be generally regulated by potentiometer. Sell many sets of baby, quality ity, trustworthy This baby doesn #39;t need programming, not including single ip microcomputers, so please don #39;t force us to provide e. This baby doesn #39;t provide power, you can use rearge treasure 5v As a power source, or use 4 5 battery box and loaded with 4 battery power Testing for ea part: - testing of relay modules: Connect relay module vcc to 5v, gnd connection to ground, in gnd, recovery of relays in suspension, relays can be heard repeatedly - testing of soil moisture sensor module: Connect the fork probe and transmitter module with two dupont lines, vcc 5v, gnd grounding, the electric red power lamp is always on, green Blue The color indicator flashes faintly once Insert the fork probe directly into the water, green Blue Color indicator light - connect pump red wire 5v, black line grounding, pumping, note that test for 1 second, do not work in the air for a long time - assembling according to the sematic diagram. Points of note: - this baby can be welded, but you need to strip the line, twist the copper wire together, protection with black rubber - pumps cannot run in the air for long periods - system connectivity, telephone calls, pumps work all the time, yes, yes, because in the air, the probe could not detect humidity, so pumps work all the time, there #39;s no problem with properly installing it in the flowerpot.