If you thought the Raspberry Pi's chip was dinky, well, get a load of the nattily named Texas Instruments MSPM0C1104, said to the world's smallest microcontroller or MCU and measuring a mere 1.38 mm².

Texas Instruments (TI) unveiled the MSPM0C1104 at Embedded World 2025 in Nuremberg, Germany. This device is now the world's smallest microcontroller (MCU). Measuring just 1.38mm²—smaller than a black ...

It’s generally pretty easy to spot a microcontroller on a PCB. There are clues aplenty: the more-or-less central location, the nearby crystal oscillator, the maze of supporting passives, and perhaps ...

A sneeze-inducing 1.38 mm² and small enough to make a Raspberry Pi look like a bus. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Add us as a ...