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less than 1 minute read

After, I connected the Bluetooth module with arduino board and started looking for the Bluetooth code in the app’s link list. However I couldn’t find it.

At first, I thought I had made an error in my arduino code, or in the circuit wiring, but after some searching I could find another problem.

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The Bluetooth module I purchase, HM-10, doesn’t support a basic Bluetooth link. It uses specific bluetooth app, nRF connect for mobile. But, it cannot link to app created by MIT app conventor. So, I need to purchase other model to support basic Bluetooth link.

So I had to purchase an HC-06 Bluetooth module, which supports a basic Bluetooth link. From this experience, I realized importance researching commonly usedcomponent, and characteristics of parts I purchase.

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