Some people think that programs for microcontrollers like the 8051 that have limited program memory must be written in assembly language rather than a high-level language like C. The executable code ...

A while back, [Matt] bought a few 8051 MCUs and tucked them away for a future project. He just found these fabulous little chips in a component drawer and decided it was time to figure these guys out.

With the rise of Internet of things, sensors controlled by embedded processors are being installed in homes, offices, factories, and metropolitan infrastructure, power grids, and just about everything ...