Security Node (PIR, Buzzer, Doppler, Temperature)
Description
Introduction As with many of the projects we start, this one started simple and with a single purpose but quickly grew to what it is today. Current day, it’s one of the many devices i have build and configured in Home Assistant that has a crucial role in the area of security. It is build on ESP32-Cam combined with 2 motion detection sensors, 1 temperature sensor and a buzzer for audio notifications. Besides the use of security (Cam & Motion detection) it also services roles in light control and doorbel control. I have created a couple of security display nodes (Security- Clock, Security-Cat) that show by using RGB Led and audio notification triggers of the security nodes. If there is enough intrest, i will document these projects as well. Continues improvement As my partner often points out i have a issue with trying to improve everything. So if you have any suggestions or improvements i would be very happy to implement them! While writing this i realizes i could add a RGB Led and i will try to implement this short term. I would be very happy if someone could help with the RCWL-0516 because it is still giving false triggers…… Sensors & Components I have used the sensors below in the project. I don’t have positive experience with the HC-SR501 and was unable to fix all the false triggers it gives. The STL files allow use of DHT11 or ds18b20, i think the DHT11 has better accuracy. ESP32Cam -Microcontroller AM312 – PIR Sensor * HC-SR501 -PIR Sensor (I was not able to fix the huge amount of false triggers) Micro USB 5V DIP Adapter board – Power Passive piezo buzzer Dallas ds18b20 – Temperature Sensor Resistor R4,7K DHT11 – Temperature Sensor RCWL-0516 – Doppler Sensor FOR MORE INFORMATION ABOUT THE PROJECT (PCB DESGIN, YAML CODE) SEE https://www.zelissen.nl/project-security-node/
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