Hey friends in this video I will show you how to make Home Automation System which can be controlled with Amazon Alexa as well as physical Pushbuttons, This project also has a Feedback System which shows the real time status of your Device on Amazon Alexa app.
I have also made a Home Automation Project with Google Assistant https://www.viralsciencecreativity.com/post/google-assistant-home-automation-iot-nodemcu-esp8266 You can refer this as well.
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PCB Gerber File:-
Materials:-
NODEMCU ESP8266
4 Ch Relay Module
Push Buttons
BreadBoard
Jumpers
PCB Components:-
Relay 5V
Push Button (Tactile Button)
330 ohm resistor
1N4007 Diode
LED
BC547 / 2N2222 Transistor
Block Terminal Connector
PCB Header
5V Power Adapter
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Circuit:-
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