The AT-09 is a module that contains a BLE chip (a CC2540/CC2541). This module allows to perform serial communication with the BLE chip thanks to an Rx and a Tx pin. This module is also very similar to ...
We will implement a compass connected to the Arduino via Bluetooth. We used the HC-06 Bluetooth dongle, GY-85 board, which sensors used are only HMC5883L out of three. For the x, y, and z axes we have ...
Sundials, one of humanity’s oldest ways of telling time, are typically permanent installations. The very good reason for this is that telling time by the sun with any degree of accuracy requires ...
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