Opening gates with Slack and Twilio
At one of my clients there is an automated barrier blocking the private parking space.
The first day i arrived i had to call their office which they in turn would call a number which controlled the barrier. When the number is called it would sound a busy tone, hang up, and open the barrier.
When i wanted to head home i had to drive to the barrier, call the office number and they would call the gate number which would open the barrier.
Since opening the gate is triggered by calling a number i figured that this process could be automated. First there needs to be a way for trusted people to open the gate using something they are already familiar with and without installing any additional apps.
The next step would be to make a phonecall when someone runs the command in Slack. I used Twilio to make a phonecall and spoof an authorized number to call the number of the barrier.