A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a given location.
Geneva, Switzerland, and Malmö, Sweden, May 29, 2012 – Motion sensors and microcontrollers from STMicroelectronics, a global semiconductor leader serving customers across the spectrum of electronics ...
XDA Developers on MSN
I built a ghost-proof ESP32-powered presence sensor and here's how it works
Bermuda enables device proximity in a room without using any trackers or apps. Using an ESP32, it works as a Bluetooth proxy, ...
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