Aug 28, 2026 Arduino Arduino UNO GPIO Shell KernelUNO KernelUNO – A Linux-Like Shell for Your Old Arduino UNO R3 Lead Image © Nelli Valova, 123RF.com Written by: Pete Metcalfe Pete Metcalfe is a retired automation engineer, who enjoys tinkering on Linux and microcontroller projects. When Pete isn’t playing with technology, he likes getting outside hiking and doing water sports.
