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Bluetooth module arduino uno pinout3/17/2024 There will be a conflict if the development computer transmits when the HC-05's TX is connected to the Uno's RX. Thanks.įor the first issue: The serial-over-USB connection between the development computer and the Uno ties up the Uno's hardware serial RX and TX pins. I do not get any errors when just flashing the arduino without any wires connected to the arduino. I also get the error avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x00 when connected through usb. Serial.println("Connection Successful!") What is wrong? Here is my code as I copied from the video. I have connected the circuit exactly like he has in the video with the 2 10K resisters. So basically on my android, I can't see the HC-05 device show up and the module itself is flashing red unlike the video's flashing blue light. The you tube video I am following is here: I have looked on google for an answer to my problems to no avail.
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