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By dsowetr
#92479 Hello

I have designed a system to arm/disarm my Bosch 3000 series alarm system and also let me know when the system is armed/disarmed. The information is required on my PC which is running an MQTT broker.

I have used a ESP8266 / NodeMCU chip to relay the info and an optocoupler to isolate the alarm panel from the ESP8266 (and vice versur).

I have attached my schematic in the link below and hoping to get any feedback anyone has on it before I commit to building it.

Image

These are the components I plan on using:

OPTO Coupler:
[url]https://www.sparkfun.com/datasheets/Components/SMD/ild205t.pdf
[/url]
NodeMCU ESP8266:
https://makerzone.com.au/product/esp12-dev-board/?attribute_bundle=CH340&attribute_bulk=1pc&utm_source=Google%20Shopping&utm_campaign=Google%20Shopping&utm_medium=cpc&utm_term=1500099&gclid=CjwKCAjw-sqKBhBjEiwAVaQ9aw1y1hd2M-7sEOavJK-al2jj5OM7CrzJhwnQ1H6540E4owbQNJjSjhoC_twQAvD_BwE

Bosch 3000 alarm system:
https://resources-boschsecurity-cdn.azureedge.net/public/documents/Solution2000_3000_In_Installation_Manual_enUS_20399486987.pdf