Texas Instruments says its very, very, very small microcontroller is suitable for devices such as electric toothbrushes, stylus pens and wearables.

It’s smaller than a pepper grain but don’t let its tiny size fool you. Texas Instruments has unveiled the world’s smallest microcontroller, the MSPM0C1104, measuring a mere 1.38 square millimeters.

Last year, Jiangsu Yuheng Co., Ltd introduced a new microcontroller. The CH554 is a microcontroller with an E8051 core with a 24 MHz clock, a little more than 1 kB of RAM, and a bit more than 14 ...