so im trying to make an arduino project that I can connect to a mobile phone that uses bluetooth and I will control the time intervals or delays of blinks of the led through the mobile phone. And the led will blink according to the input of the user in the mobile app (seconds or hrs even). Is it possible or maybe too hard to do, or maybe not even possible?? I need some insights for this particular project of mine.
Yes.
Keep it simple and stupid firstly.
Run some tutorials for the hardware selected.
If you are happy with the results of the tutorials you can merge these to your project.
Have a nice day and enjoy coding in C++.
Welcome to the forum
What you want to do is perfectly possible
Which Arduino board have you got, if any ? The project would be particularly easy to do if you used an ESP32 (not strictly an Arduino) because it has built in Bluetooth
Hi.
I do this kind of program in my project or just for learning (blinking leds always attract eye!).
Roughly I use:
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my nano 33IOT or nano 33BLE as they have bluetooth in. So I just use the library "Arduino BLE" and I work my sketch from arduino ide example (BLE library has some tricks to handle as I am not a pro, but eamples works and are the perfect start).
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an bluetooth app. To test my sketch and the BLE connexion, an app like nRF CONNECT allows you to connect to the arduino board and try to change the settings. Later, you could be interested in MIT app site, they propose a block-coding way to have your dedicated phone app, so you could personnalize a slider to change the value of blinking (for example).
Good luck, your project is a very good learning task!
have a look at Turn ON and OFF LED using mobile App using Bluetooth on ESP32 board
are you intending to write your own smartphone app?
Build the following network except L which is present on the Arduino UNO Board and then change the ON/OFF time of L giving commands from your Android Phone.
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