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An automated electric grid powered by a Raspberry Pi 4, which is controlled by a hybrid smart contract using Chainlink Keepers to automate turning off LEDs for electric bill expirations [with sound alerts using Half Life's VOX (Black Mesa Announcement System). Chainlink API/pricefeeds are used to get real world electric rate API data from the National Renewable Energy Laboratory and convert it in terms of MATIC/USD on Polygon.

HTML 3.30% Solidity 12.34% JavaScript 75.25% CSS 8.77% SCSS 0.34%

electrickeeper's Introduction

ElectricKeeper (ETHDenver 2022)

Chainlink API/pricefeeds are used to get real world electric rate API data from the National Renewable Energy Laboratory and convert it in terms of MATIC/USD on Polygon.

Bonus project: Chainlink VRFv2 lightshow, with events logged on zkSync with 1 WEI deposits.

Links:

Demo under 4 minutes: https://www.youtube.com/watch?v=1dXsqiq0Faw

Website hosted on Fleek [IPFS+Filecoin]: https://electrickeeper.on.fleek.co/#/

Presentation slides: https://docs.google.com/presentation/d/1cRC4lI-hXJ0S35Tm_BWMym4Wqitvkxw0HylvKsHX4m4/edit?usp=sharing

ElectricKeeper verified Etherscan using Hardhat and Polyscan API key: https://mumbai.polygonscan.com/address/0x37160d3cB5834B090621AB2A86355493d808f45B#code

zkSync [Rinkeby] event counter example: [1 WEI = 1 event]: https://rinkeby.zkscan.io/explorer/transactions/0x42d6f786023160c1b6980f3993b75702007be00d2575c97034f6831067e78227

Skynet backup site: https://10009tgoq1i5qfk2fgnasv7m8ngk78or2e63n7aee6slpdd83bdiu38.siasky.net/#/

Hardware:

-Raspberry Pi 4 [Quantity: 1]

-LED (Red, Blue, Green, Yellow, Purple, Orange, Pink, White) [Quantity: 1 each]

-330 ohm resistor (current limiting safety) [Quantity: 8]