Considering the quality of life, manpower, and expenditure, an IoT-based health monitoring system has been proposed and implemented. Devices are placed on the human body to collect data, which is then ...

Living objects with a body temperature above 0°C emit heat as infrared radiation, also known as thermal radiation, which is invisible to the human eye. PIR sensors, designed for this purpose, can ...

The PIR motion sensor consists of 3 pins-VCC, GND, and the Data Output Pin. VCC is the power pin of the module. Out is the data Output pin of the module.it goes high when motion is detected. GND is ...

which has 100 other features of wifi, streaming video, http control, telegram updates, pir control, touch control, ftp downloads, .... and other things that make it very big and complex. Just set a ...

Wireless sensor node is a sensor node with a wireless transmitter. It has one or more sensing elements with amplifier and signal conditioning circuit or a digital/smart sensor, a microcontroller unit, ...

Avnet AVT9152 is an IoT module and development kit that combines two Nordic Semi wireless solutions, namely nRF52840 Bluetooth 5.2/LE multiprotocol SoC and nRF91 IoT cellular system-on-module with ...

Motion sensor alarms are readily available in the market, but these are expensive. Here is a simple and inexpensive Arduino based motion sensor alarm with voice alert. It can be used for security ...