DIY Smart cooler pump | Awesome idea | life hacks

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DIY Smart cooler pump | Awesome idea | life hacks
component-
1. Relay 12volt dc SPDT - http://amzn.to/2FMoTwO
2. Transistor BC548 - http://amzn.to/2psbDm4
3. Resistor 10k ohm - http://amzn.to/2u7jSJN
4. Cooler pump - http://amzn.to/2G9vgcT

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