If the computer you have isn’t particularly fast, there’s a well-documented way to get more out of it. You just need more of the same computer, and you can run your tasks on them all at the same time.

When the ESP32 microcontroller first appeared on the market it’s a fair certainty that somewhere in a long-forgotten corner of the Internet a person said: “Imagine a Beowulf cluster of those things!”.

The ESP32 is one of the most versatile microcontrollers out there, capable of Wi-Fi connectivity and, in the case of the original ESP32, full-on Bluetooth, too. However, nearly every ESP32 device can ...