Making a manual security alarm in Home Assistant

Making a manual security alarm in Home Assistant

Using a few cheap sensors, a wireless keypad, Zigbee2MQTT and Home Assistant; I was able to get a basic security alarm up and running during a free afternoon 🙂

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Portable alarm system (school project, electronics)

Portable alarm system (school project, electronics)

Portal alarm box unit, my main project on technical college.

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Security keypad with programmable PIN — AVR

Security keypad with programmable PIN — AVR

Keypad with programmable PIN code, two outputs (modes) and protection against repeated incorrect PINs. Uses an AVR ATtiny2313 microcontroller.

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Intruder alarm system controller — AVR

Intruder alarm system controller — AVR

A simple intruder alarm controller I build and used in my old apartment. Uses an AVR ATtiny2313 microcontroller.

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