IoT Devices 3 key factors of sensor devices (things)
SENSORS
POWER SUPPLY
RADIO
There are a number of different sensor
Wireless sensor devices are commonly
The biggest impact on energy consumption
types. Most commonly used types are 3D
equipped with primary (non-rechargeable)
is the type of radio technology used and
acceleration, gyroscope, magnetism, light,
batteries. In (passive) RFID / NFC
how much data is transmitted. For indoor
infra red, temperature, humidity and air
scenarios, the reader device transmits the
use, the relatively short range (1-30 m)
pressure. Most of these can be found in
required energy over radio waves.
options like BLE, RFID or Zigbee are very
mobile phones too.
In the near future we will see energy
common. For outdoor use, the long range
For industrial purposes, there are also more
harvesting solutions, where the devices
options like LoRa, Sigfox or NB-IoT are, in
exotic sensor types, which measure f.g.
harvest the needed energy from heat, light
many cases, the most optimal choices.
chemical components in gases.
or other sources.
@bruno_amaro