3pcs DIY Automatic Irrigation Module Kit Soil Moisture …, Cairns

Description It does not require programming or a microcontroller so please do not provide the code It does not provide power you can use the charging treasure 5V DC as the power supply or use 4pcs AA battery box and load 4 batteries About each part of the test 1 Test the relay module connect the relay module VCC to 5V GND to ground IN to GND the relay jumps and when IN is suspended the relay recovers so you can hear the relay Kaka sound repeatedly 2 Test the soil moisture sensor module connect the fork probe and transmitter module with two DuPont wires the transmitter module VCC is connected to 5V GND is grounded just after power on the red power light is always on green blue color indication The lamp flashes faintly once the fork probe is directly inserted into the water and the green blue light is on 3 Connect the red line of the pump to 5V the black line is grounded the pump works pay attention to the test for 1 second and it is not allowed to work in the air for a long time 4 Assemble it according to the schematic diagram Note 1 the baby can be free of welding but you need to peel the wire twist the copper wire together with a black tape to protect 2 The pump cannot run in the air for a long time 3 the system is connected power on the pump has been working is right because in the air the probe can not detect the humidity so the pump has been working the correct installation into the pot without any problems Package include