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 …

CircuitPython Installation Guide for Tech Enthusiasts

The CircuitPython installation guide is a comprehensive resource for tech enthusiasts looking to get started with CircuitPython. CircuitPython is a programming language based on Python that is specifically designed for microcontrollers and single board computers. It provides an easy and beginner-friendly way to program these devices and interact with hardware …
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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 …
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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 …
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Mine cryptos with your Raspberry PI

Twelve years ago, Bitcoin was the only cryptocurrency. Today, there are now thousands of coins. And you can mine them all, on a Raspberry Pi. Are you curious to see how much profit you can make mining some crypto coins on a Raspberry Pi?

The Raspberry Pi is a low-cost …
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