App for cell phone control, via bluetooth, a 4wd robot.
It can be any microcontroller.
Just have a bluetooth module.In my example, I used an HC05 module, however any module paired with the cell phone will be accepted.The application brings a speed slider and also the option to change the direction keys, according to your project.A pedagogical resource was inserted to choose a letter of the alphabet.
Choosing a letter, the robot goes to the position of the letter, picks it up (via an electromagnet), and places the letter in a certain position, and at the end, returns to the initial position.
https://andro.io/app/robo2023
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Robô controlado por bluetooth for Android – Latest Version & Features
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