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, ...

Hello IoT is a browser-based IoT development tool. No installation, no signup — open the page and start building. Drag electronic components, wire pins visually, build logic with blocks, and get ...