All in one security solution for your home
Autonomous security for your homy house.
Technical Details:
- smoke detector for fire alarm
- 12V/5A LED Strip driver for light control
- motion detection PIR sensor for light control and intruder detection
- 85dB acustic alarm
- temperatur sensor for heating control and fire alarm
- humidity sensor
Schematics for interfacing the smoke detector with the NodeMcu
K1-3 … NodeMcu GPIO output alarm
K1-2 … NodeMcu GND
K1-1 … NodeMcu GPIO input smoke detected
K2-3 … Smoke detector test switch 12V
K2-2 … Smoke detector test switch GND
K2-1 … Smoke detector red buzzer cable
Picture of the enhanced alarm board
Schematics for interfacing the LED strip with the NodeMcu
Picture of the Mosfet
Picture of the DHT11
Picture of the DC/DC converter 12V to 5V
Picture of all
Attention! When programming the Wemos D1 mini via USB port, it is necessary to have the 12V power supply attached to the system. Otherwise the 5V from the USB port will burn the fire alarm chip! Really crazy but found not solution, yet.
Pin Mapping
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/* * Wemos D1 mini pin mapping or use Dx directly for pin * 0...GPIO0..D3...flash * 1...GPIO1..D10..RXT0 * 2...GPIO2..D4...LED * 3...GPIO3..D9...TXT0 * 4...GPIO4..D2...dht * 5...GPIO5..D1...alarm * 12..GPI12..D6...fire * 13..GPI13..D7...pir * 14..GPI14..D5...pwm * 15..GPI15..D8... * 16..GPI16..D0... */ |