Powertracker

Keeping track of electricity usage using AWS services, Tibber's API and the Watty energy monitor/load balancer. (example exported diagram)

Architecture

AWS services

Uses the following services:

• AWS API Gateway
• AWS Lambda
• AWS EventBridge for scheduling
• AWS Timestream for time-series data
• AWS Secret Manager for storing Tibber API key

All lambdas are written in Golang.

AWS CDK is used for all provisioning, building the Go lambda's etc.

Change cdk.json in order to deploy either the powertracker or the chargerstatus stacks:

"app": "npx ts-node --prefer-ts-exts bin/chargerstatus.ts",

or

"app": "npx ts-node --prefer-ts-exts bin/powertracker.ts.ts",

CDK basics

This project was generated using

The cdk.json file tells the CDK Toolkit how to execute your app.

Useful commands

• npm run build compile typescript to js
• npm run watch watch for changes and compile
• npm run test perform the jest unit tests
• cdk deploy deploy this stack to your default AWS account/region
• cdk diff compare deployed stack with current state
• cdk synth emits the synthesized CloudFormation template