From there, the code on the ESP can fire off using whatever API ... Even if you aren’t looking to make your own makeshift alarm system, the code and video after the break are a great example ...

Optocouplers link the ESP and alarm panel ... ESP32 connected to the Internet with the ability to disarm your home alarm system. [Brett] has considered this, and made sure that the web server ...

Make: ESP Witness Model code: Witness 2K No of Cameras: 4 camera inputs Camera Colour Type: Monochrome Camera Chip Size ": 1/3 inch The Witness 2K Quattro kit comprises the Witness Quad 2K monitor, 4 ...

Make: ESP Witness Model code: Enterview 2 Type of Kit/ System: Video & Audio Mount Type: Flush Mount No of Entrances: 1 entrances ...