Voice controlled Robot

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Hi everybody ,

I am new to arduino and in the forum and I hope here found an answer to my problem.

I work for a few days on a robot with voice control and I am stuck on communication with my module HC-05.

indeed after opening the application i can connected to the module but all orders passed are not executed by my robot.

I took account of the connections

RX-TX
TX-RX

and I even changed the frequency of (9600) to (38400)

I'm using an Uno arduino and a L293D controller, and the app "arduino voice control" link: https://play.google.com/store/apps/details?id=appinventor.ai_cempehlivan92.Arduino_Sesli_Kontrol

I have several times to check the code, to change several times of application and to buy another module HC-05 but nothing changes

Thank you for helping me :slight_smile:

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I have several times to check the code, to change several times of application and to buy another module HC-05 but nothing changes

we should see your code. can you upload your program?

have you check ur power supply pinout? HC-005 module need a specific power supply, so you need out a resistor on TXD and RXD pinout.

check > https://howtomechatronics.com/tutorials/arduino/arduino-and-hc-05-bluetooth-module-tutorial/

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