Passive IR (PIR) sensors are excellent devices for wireless sensor networks (WSN), being low-cost, low-power, and presenting a small form factor. PIR sensors are widely used as a simple, but reliable, ...

While I typically try to keep my tinkering focused on practical purposes, sometimes I just have to pull a good prank ...

Surveillance system is one from dozen features offered in smart home technology. In case to fulfil the term of smart inside surveillance system, the automation should be well implemented. In this ...

How it works is simple: you can track devices using Bluetooth on the ESP32, and through a combination of presence and signal strength, you can define a sensor that changes to an "on" state when your ...

The DS18B20 library supports only the DS18B20, only one sensor per pin, no parasite mode, no Fahrenheit and no alarm functions. The only feature the class supports is the asynchronous reading of the ...