Alarm System
Turtles HQ was in dire need of a solid security system. Being in the sewage system underground they decided that tripwires was the absolute best way to achieve wanted level of security.
![](https://acdc.blog/wp-content/uploads/2022/02/image-12-768x1024.jpeg)
When the magnet is tripped/removed (white item on right side of picture, a signal is sent to Raspberry PI that starts a flow. This is a on/off trigger.
![](https://acdc.blog/wp-content/uploads/2022/02/image-361.png)
If the Trap step notices a change, the node is checked for status on/off. If is is ON, it will call the service that activates full alarms for the Turtles HQ. Alarms visual and audio are full blast.
![](https://acdc.blog/wp-content/uploads/2022/02/image-14-edited.jpeg)
Pizza Order
The Pizza delivery has also been equipped with sensors that notify when a pizza has been delivered. When the pizza has arrived at the spot, a signal is sent via Zigbee to raspberry pi, and from here it changes the light to Green for a successful delivery.
![](https://acdc.blog/wp-content/uploads/2022/02/image-11-edited.jpeg)