Lesson3 - Make a smart power distribution box

[admin]

   
1. The demo power distribution box mainly functions:
1. 32 channel 16A output
2. 32 channel digital input for wall switch
3. 8 channel digital input for dry contact sensor (such as smoke, door, PIR sensor ... )
4. 4 channel DC 0-5V analog input
5. 32 channel manual control buttons
6. running home assistant service
7. smart control by wall switch panel, RF wireless remoter, iPhone,android phone, iPAD,android PAD, PC, MAC, voice control by Alexa, Google home, Yandex AI speaker.
8. IFTTT automatic function working locally without internet
9. Zigbee3.0 sensor or device for home assistant automation
10. RGBW LED strip change color and brightness

2. Hardware products list:

KC868-Server:1pc
KC868-E16:2pcs
KC868-A16:1pc
12V DC contactor:2pcs
16A breaker:16pcs
63A breaker:1pc
DC12V 4.5A power supply:1pc
DC5V 2.4A power supply:1pc
   
   
   

3. Schematic:
   

[ARSHAD]

Hi All

Please confirm what is the amps ? for 12V DC contactor:2pcs

[admin]

12v dc contactor current is very low. when they working, just about 70mA 12v dc.

[ARSHAD]

12V DC contactor:2pc

What is the use of 12V dc contactor in the smart board ?
Can i remove the 12v dc contactor from smart board ?