![]() Some like line ending characters, other do not. This can also be frustrating because different modules have different requirements for the format of the AT command. T o configure any of the modules you need to talk to it using a serial UART connection (see below for more on this). ![]() I generally use BLE Scanner or B-BLE but there are many others. For BLE you should use one of the many BLE apps. BLE modules may or may not show up depending on the Android device you have and the version of Android it is running. On Android devices (that have Bluetooth), all Bluetooth 2.0/2.1 devices should show up in Settings => Bluetooth => Scan for devices. I am an Android user (sorry I can’t help with IOS) so all the examples will be from Android devices. If it transmits “HC-06″ or “HC-05″ you know it will be Bluetooth 2.0 or 2.1. Power it up, make sure it works and see what name it transmits. ![]() But the first thing you should do is try it. Number and type of pins on the breakout board. Markings on the board or the breakout board. ![]() Determining what modules you have and what firmware they are running is key to getting them to work and there are various things you can use to find more information. ![]()
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