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2. Direct TPMS - Wikipedia

   en.wikipedia.org/wiki/Direct_TPMS

   The TPM sensors currently fitted to high volume production cars worldwide are battery-powered, self-contained units which periodically measure tire pressure, and often temperature and acceleration. The sensor is equipped with an RF transmitter circuit which is used to broadcast the measured pressure etc. within the tire. [11]

3. Tire-pressure monitoring system - Wikipedia

   en.wikipedia.org/wiki/Tire-pressure_monitoring...

   A direct TPMS sensor consists of the following main functions requiring only a few external components — e.g. battery, housing, PCB — to get the sensor module that is mounted to the valve stem inside the tire: pressure sensor; analog-digital converter; microcontroller; system controller; oscillator; radio frequency transmitter;

4. Telemetry - Wikipedia

   en.wikipedia.org/wiki/Telemetry

   The telemetry consists of sensors for pressure, temperature, and humidity and a wireless transmitter to return the captured data to an aircraft. A saltwater crocodile with a GPS-based satellite transmitter attached to its head for tracking

5. Sensor node - Wikipedia

   en.wikipedia.org/wiki/Sensor_node

   A wireless sensor node is a popular solution when it is difficult or impossible to run a mains supply to the sensor node. However, since the wireless sensor node is often placed in a hard-to-reach location, changing the battery regularly can be costly and inconvenient. An important aspect in the development of a wireless sensor node is ensuring ...

6. Wireless sensor network - Wikipedia

   en.wikipedia.org/wiki/Wireless_sensor_network

   Wireless sensor networks (WSNs) refer to networks of spatially dispersed and dedicated sensors that monitor and record the physical conditions of the environment and forward the collected data to a central location. WSNs can measure environmental conditions such as temperature, sound, pollution levels, humidity and wind.

7. NODE (wireless sensor) - Wikipedia

   en.wikipedia.org/wiki/NODE_(wireless_sensor)

   In September 2013, Variable Inc. announced the release of an Android-compatible NODE+ wireless sensor platform. [16] The device had been only iOS compatible. NODE+CO 2 , a carbon dioxide sensing module, one of six different gas sensors in the OXA sensor family, raised $26,046 on Kickstarter, $1,046 over its goal on December 31, 2013.