How to make Temperature controller at home

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Circuit Diagram :-

Solderless Breadboard :- https://amzn.to/2ZlRrou

5V One Channel Relay Module :- https://amzn.to/2N86BLr

12V Relay :- https://amzn.to/2ZmAfyW

5V Relay :- https://amzn.to/3prgtwO

Resistor Kit 1 OHM to 10k OHM :- https://amzn.to/3qBmuIZ

HC-05 Bluetooth :- https://amzn.to/2LRXC0b

1000uF/25v :- https://amzn.to/2LW3s0I

Ultrasonic Module HC-SR04 :- https://amzn.to/2N9QzAH

Pin Header Connector :- https://amzn.to/2ZjftjP


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