Using an Arduino with Python LESSON 10: Passing Data from Python to Arduino

In this video we show how to pass data from Python to Arduino. This allows the arduino to be controlled by python running on a desktop. In this simple introduction we just pass data to turn an LED on or off. In this class, we will be using an Elegoo Super Starter Kit, available below (affiliate link):

With this kit, we will will both be working on the same hardware which will make your life and my life easier.

You guys can help me out over at Patreon, and that will help me keep my gear updated, and help me keep this quality content coming:

#Python
#Tutorial
#Arduino

[Avissarin]

this guy went all out for this video, news headline, ice coffee, boats in the background. I like this guy.

[nickmorris]

Is there a more wholesome tutor in the whole of youtube? I don't think so.

[gfvt]

Thank you for the considerable effort you have put into making the videos, I am not a youngster but have spent all of my life around electronics, playing with a few Arduinos was like a revelation, it felt like I discovered the magic component I always needed.

[chrisb]

"If you're just a drive by shooter, make sure you have py.Serial installed on your python" hahaha so funny. Thank you for the great content Paul. You are always making it fun to learn as well.

[scottwait]

The arduino python series is one of my favorites. Thanks Paul

[nanobotb]

Keep up the good work !!! I really love watching your videos and your style of teaching is by far the most amazing i have ever seen in my life!

[edSabio]

Thanks Paul! Very clear explanation, no issues, no problem., "...None needed...". There is a lot of value in your lessons beyond the subject matter presented.

[cbrombaugh]

Thanks for another most excellent lesson Paul. I wrote a program that stepped an RGB LED through 6 colors, as you suggested. When you show us how to communicate both ways between Python and Arduino we will become truly dangerous.

[chrisb]

From the shores of the mighty Nile! I love the view.

[Sikuq]

Python data to Arduino is great for me. I’m running 4 Arduinos on i2c and spi simultaneously and your Lesson 10 was the missing link. Thank you Paul.

[kamesejordan]

I have scoured the internet for such a simple yet intricate crash tutorial .... my presentation is on the same day that my arduino kit will be delivered .... at least I will be prepared .... THANK YOU (gotta do a live demonstration for a Computer Vision project )

[lowgrind]

'if you're just a drive-by shooter' ahahahahaah!!

[floridian]

This is a note about the large birds you mentioned in a previous series of lessons because they were pecking out your first floor windows: I discovered today that here is a tableau of Abyssinian hornbills at the Natural Science Museum in Houston.

[ranshmulevitch]

and of course, great videos. i am learning from scratch

[tactusxii]

"Who's your "Huckleberry, me! 💀

[uzairahmed]

can i know why i am getting this error?
raise SerialException("could not open port {!r}: {!r}".format(self.portstr, ctypes.WinError())) could not open port 'com3': PermissionError(13, 'Access is denied.', None, 5)

[ranshmulevitch]

hello, i am using the Jetson nano and i am communicating via the serial pins ttyTHS1, because that is what i need for a specific project. 1st it required a special set of commands in order to release that port from other tasks it was occupied with. sending from the arduino to the jetson nano worked fine but sending from jetson nano to arduino via that port does not work that well. the arduino gets the transmission but fails to decode the characters, sometimes it gets them right but sometimes not. any ideas?

[benbenameur]

Hello
I am looking for the equivalent of : in matlab .

[gamingsoftware]

Paul my Serial monitor is not working.My string expression doesn't change color either.I can't send ON OFF data to serial monitor.Can u help me ?

[MrVishalrnaik]

Dear Paul, great lesson. I have a question. Can we pass data from python to two different Arduino simultaneously?