Optiboot (an older version) is installed by default on the Arduino Uno and (as of 2018) official Arduino Nano boards. It can be installed on all older mega8, 168 or 328 based Arduinos. As of 2019, ...

I built a whole-home ad blocker with a $7 ESP32-S3 board - and it took just minutes ...

FRDM-A-S32K312 and FRDM-A-S32K344 evaluation and development boards from NXP Semiconductors. Part of NXP's FRDM Automotive platform, the FRDM-A-S32K312 and FRDM-A-S32K344 boards are designed to ...