Doorbell

Use Twilio to unlock a door buzzer using DTMF tones.

Developing

Requires Ruby 2.1+ and Bundler.

Install dependencies:

bundle install

Start a local server:

PASSCODE=1234 bundle exec shotgun

Deploying

To Heroku:

heroku create
heroku config:set PASSCODE=1234
git push heroku master

Configuring Twilio

Add a new Programmable Voice phone number.

Set the “A Call Comes In” Webhook to the URL.