Introduction - If you have any usage issues, please Google them yourself
Water alarm hardware 1 master board has two LED lights white socket, connect two LED plug 2. The main control board has a water alarm probe socket, connect the test probe is water 3 main control panel a buzzer function 1 after power buzzer sound, into the working condition (2) to enter the work state, the use of automatic test probe, if it did not reach a certain amount of water (test port off), they immediately go into alarm state, the red LED flashes (blue light), buzzer, LED lights and buzzer frequency chirping are 2HZ. (Buzzer piezoelectric buzzer for the 4khz) 3, or short the probe will also be seen as water, the long bright blue light (red light off, the buzzer is not called).