So he decided to add an 8×8 LED module which would display the load for each individual core of his CPU. It looks great next to the illuminated tachometer.

Today’s Diminutive Device is a small castellated System-On-Module (Twitter link, nitter proxy) from [MangoPi] called M-Core, with a quad-core A53 CPU and 1 GB of RAM. As such, it’s very… ...

Linux kernel module to blink LEDs on block device activity. Update: Starting with version 4.8, Linux now has built-in support for blinking LEDs (through the disk-activity trigger). However Linux's ...