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@@ -197,7 +197,7 @@ The most popular and inexpensive modules are the Wi-Fi & Bluetooth® modules. Th
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Bluetooth® is used to communicate with nearby devices, and is really useful for maintaining a fast and reliable connection. For example, in real-life applications, Bluetooth® technology for example used in wireless headphones & speakers.
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Similarly to serial protocols, radio modules use their own set of protocols to communicate, such as HTTP, MQTT and UPD.
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Similarly to serial protocols, radio modules use their own set of protocols to communicate, such as HTTP, MQTT and UDP.
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## Arduino API
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To purchase an Arduino board, visit the [Arduino Store](https://store.arduino.cc/).
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To download a version of the Arduino IDE, visit the [Arduino Software page](https://www.arduino.cc/en/software).
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