IO expanders with the Raspberry PI and Circuit Python
Published: Fri 19 April 2024
Updated: Fri 19 April 2024
by Ludo
In Hardware
tags: raspberry circuitpython
How to use MCP23017 IO expanders with the Raspberry PI and Circuit Python.
Like me, you may have a small project to connect one or more rotary encoders to your Raspberry PI. The MCP23017 chip seems ideal for this, and is easy to connect to the Raspberry with its I2C …
Read moreOther articles
-
CircuitPython Installation Guide for Tech Enthusiasts
-
Raspberry PI 5 benchmarks: How does it compare to the PI4
As you may know, the PI 5 is a fantastic improvement to our cherished Raspberry PI! The benchmarks below show how much our Raspi has improved across the board.
So, is the upgrading worthwhile? I gathered the benchmark results I could find online and I'll summarise the performance increase by …
Read more
-
DIY Solar battery storage and night injection
I have had a few solar panels connected to the grid via micro-inverters for some time. How can I minimize the free reinjection to the grid when there is no commercial solution at a reasonable price? You will find below how I store the solar power surplus produced during the …
Read more
-
Dual-band Mikrotik AP configuration with CAPsMAN
Lost with your dual-band Mikrotik AP configuration? There are several CAPsMAN HowTo articles on setting up CAPsMAN, but none that I discovered mention a tiny aspect that seems to trip people up every time: a CAP with two WiFi radios, one for 2.4 GHz and one for 5 GHz …
Read more
Share me!
Related articles:
• IO expanders with the Raspberry PI and Circuit Python
• CircuitPython Installation Guide for Tech Enthusiasts
• Raspberry PI 5 benchmarks: How does it compare to the PI4
• DIY Solar battery storage and night injection
• Dual-band Mikrotik AP configuration with CAPsMAN
• Auto stop/start your EC2 instances with this Cloudformation template
• Mine cryptos with your Raspberry PI