![]() The characteristic and service UUID is fixed and you are not able to create your own characteristic and service UUID like those with more advanced BLE modules (i.e. ![]() It shows how to control the LCD from your Android/IOS devices. Our maker friend, Vincent, made this video demonstration. Next, proceed to upload the code to your Arduino. Make sure you have selected the correct COM PORT and BOARD under the tools header. Once you follow through the tutorial, it will be a great kick-starter for you to explore more about the BLE protocol and creating more fun and cool projects using this module! What you need to get started: Hardware: The goal is to get you started easily with this BLE module without prior knowledge in BLE protocol. In this project, we are going to update the text on a 16x2 LCD wirelessly via the HC-08 Bluetooth module, using either Android/IOS devices. We will use this HC-08 in a simple project. But the drawback is that the data rate is smaller and the transmission distance is slightly reduced. BLE is less power hungry and will prolong the battery life (as it is only sending data as needed). This HC- 08 module is a very good module for those who are used to Serial Port Profile (SPP) in addition to UART and who begin to explore more about BLE technology.
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