Just wrapped up a fun IoT project demonstrating reliable, two-way communication between a Flutter app and an Arduino NANO via the classic HC-05 Bluetooth module. This isn't just about turning a light ...
The diagram shows how to connect the terminals so that the AT commands can be executed. The Arduino must be running a basic program. During the tests, the AT+INQ and AT+INIT commands didn't work. This ...
The HC-05, a Bluetooth to serial bridge, can be found for around $5 on the internet and therefore may be the cheapest way to add Bluetooth connectivity to your project. However, its default settings ...
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