In a recent tutorial I explained how to detect the presence of an iBeacon with the esp32 chip. The iBeacon used to demonstrate the program is manufactured by a chinese Company, Wellcore, and sold by Banggood. The transmitter is enclosed in a plastic, non waterproof, case of 4x4cm size: The enclosure has a hole that allows you to hang the…
In my previous article I explained the Bluetooth Low Energy technology and the advertising process. You learned that a BLE device can leverage the advertising packets to send data; in this case the device is called broadcaster and the devices which receive data are called observers. The payload of an advertising packet has the following structure: ADV ADDR is the device MAC address (this is the…