① Wi-Fi antenna, Connect the computer or mobile phone through Wi-Fi to send parameters and programs
② Power connector, Connect 5V power supply
③ S1 test button, Click to switch screen test status
④ P7：Connect the brightness sensor
⑤ S2：Connect the point switch, switch to next program, the timer starts, count plus
⑥ S3：Connect the point switch, switch the previous program, timer reset, count down
⑦ S4：Connect the point switch, program control, timing pause, count reset
⑧ HUB12: Connect the display
⑨ P5：Connect the temperature/humidity sensor
⑩ P11：Connect the IR, by remote control