The ATtiny10 – along with its younger siblings that go by the names ATtiny 4, 5, and 9 – are the smallest microcontrollers Atmel makes. With only 32 bytes of RAM and 1 kB of Flash, ther… ...

Expansion boards like the Arduino 4 Relays Shield (Fig. 2) is why these platforms have become so popular. ... I still do a bit of programming using everything from C and C++ to Rust and Ada/SPARK.