In this Raspberry pi serial reading and writing tutorial, we will be showing you how to read and write data through the serial GPIO connections that are made available to you on your Raspberry Pi.
We will be showing you how to do these serial writes by using a RS232 to TTL Adapter to create a loop back to the Raspberry Pi, the same concept will work with any serial device.
You will be learning what GPIO pins you need to utilize to be able to wire up to your serial device to the Raspberry Pi, we will also be showing the steps you must go through to allow the Raspberry Pi to read and write through the TX and RX GPIO pins.
We will also be teaching you how you would read and write data through the serial ports using the Python programming language, this should give you a good idea how you would deal with normal serial devices and not just a loopback to the Raspberry Pi.
Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!
8-6-2021 (August 6, 2021) is the Snakiest day of the year and it’s also this year’s CircuitPython Day! The day highlights all things CircuitPython and Python on Hardware. See you there!
Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.