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Content 4/4



Sonoff is a smart switch device line for Smart Home developed by ITEAD. One of popular product of Sonoff is Sonoff 4CH. These are Wi-Fi enabled switches based on a great chip ESP826. This connected to WiFi so can be controled anywhere use App. Sonoff 4CH 4 gang light switch supports to connect and control 4 electrical appliances, which can be turned on/off separately by the buttons or Android App EweLink. Besides, with the multi gang switch, you can check real-time devices status for each device on App.






Bill of materials used in this project

NODEMCU AMICA ESP8266
1
NPN Transistor BC547
4
Diode 1N4148
4
Yellow LED 3mm
4
Blue LED 3mm
1
Resistor 1K Ohm 1/4W
8
Resistor 330 Ohm 1/4W
1
Tact Switch 18mm
4
Relay 5VDC
4
Hi-Link Step-Down 220VAC to 5VDC
1
15 pin Female Header
2
2 pin Terminal Block Screw
5
Nov 11,2020
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