Moderately priced Passive Infrared PIR Sensor modules are now widely available. By using these readymade and pre-configured PIR sensors, even an average electronics hobbyist can construct his/her own ...

Motion detectors are useful smart home devices for creating simple automations, such as turning on your lights when you enter a room or being alerted to motion in your home when you're away. Standard ...

Austin, Texas – January 28, 2015 – Smarter Security, provider of premium, innovative entrance control and outdoor security solutions, today announced the availability of a new line of four ...

Working Voltage:DC 2.7V-12V;Max Static current:1mA;delay time: 2S;Blockade time: 2S;Sensor angle:100 Degree;Sensor distance: 3-5m. Repeatable Trigger Mode:When people enters the sensing range, the ...

The size and price of the ESP wifi modules have quickly made them into one of the preferred building blocks for IoT devices. Unfortunately they are not particularly well suited for very low power ...

There are several cheap sensors that can help you build incredibly versatile devices without spending a lot. And, you won’t ...

Unlike infrared optical sensors that use an LED transmitter and IR receiver, the PIR emits nothing. As its “passive” name suggests, it responds only to infrared energy radiated by the object being ...

In the microcontroller era today, Arduino is more than just a tool to accomplish hobby tasks. There is actually a close relationship between microcontroller technology and home security, since you can ...

There’s no shortage of ESP32 development boards out there, with many of them offering some “killer app” feature which may or may not align with whatever it is you’re trying to do. But if you’ve got a ...

This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional ...