CONTROL module checker

NOTE: CONTROL's website had an update in mid-march 2021 that added this functionality to all modules, so this is no longer needed

A CDK stack to check if modules from CONTROL are available.

Parts

• Lambda function to visit CONTROL's site and check status of pages
• EventBridge rule to run the lambda on a daily basis
• DynamoDB table to store current status of modules
• Twilio for sending a SMS to me when items are back in stock.