[Stephen]’s system uses commercially available sensors ... to Home Assistant. By looking at the graphs generated, you can tell when someone entered the tub from a step change in pH and ORP.

Abstract: The application of sensors in smart homes using Arduino to control equipment such as lights, fans, alarms, and so on. Sensors used in Arduino include LDR, Ultrasonic, DHT11, and MQ2. LDR is ...

Test connectivity between the Arduino board and an instance of Home Assistant running Mosquitto Broker, ensuring that the MQTT messages are recieved and can be handled by automations, scripts, or ...

LowPowerLab's R6 Moteino The Moteino is a super-low-power Arduino clone that incorpoprates a 433Mhz FSK (RFM69HCW) transceiver which transmits data to our EmonPi. Flow cell purchased from Sunplay to ...

If you have allergies than you've likely considered picking up an air quality sensor for you ... the air quality in your home. Hit up the link below for the Arduino source code, a build guide ...