7
votes
Accepted
What is the default baud rate without calling Serial.begin?
There is no default baud rate. When the sketch starts, the serial port
is disabled (thus non-functional). Calling Serial.begin() enables the
port.
- 35.5k
2
votes
Accepted
Sending float values from Python to Arduino using Serial communication
There are two things going on here.
First of all, if you look up the readline() method in Python that is referenced in the PySerial manual, you'll see the following:
readline(size=- 1, /)
Read and ...
- 91
2
votes
Accepted
USB-C to USB-C cable Arduino is not responding even not powered by this cable
That Nano is not USB-C compliant. Yes, it has the connector, but it doesn't do all the required handshaking to put the USB-C port on the laptop into host (and provide power) mode. This is needed ...
- 101k
1
vote
Externally powering Arduino while reading voltage off it via USB
Pin 13 is a digital pin, it does not have the capability to read voltage. You need to use one of the analog pins to read voltage, they are prefixed with the letter "A" (A0 for example). You ...
- 1,416
1
vote
How to receive data from Xbee in AT mode on Arduino Nano
You connected the Xbee to the single hardware Serial interface that the Nano has. Is is also used by the USB to Serial chip, which connects to the Serial Monitor. So what you are sending to the Xbee ...
- 13.7k
1
vote
Accepted
Ubuntu Serial Port Briefly showing on arduino IDE
This could be happening because Brltty application. Remove it and try again.
sudo apt remove brltty
sudo apt autoclean && sudo apt autoremove
Only top scored, non community-wiki answers of a minimum length are eligible