Woodcliff Lake, NJ — May 30, 2014 — Continuing to use the hundreds of thousands of old systems built around 8051 microcontroller chips has become easier and highly cost-effective with a flexible new ...

[Andrew] picked up a handful of these big STC 8051 chips for a song and dance. The problem he has with them is the clunky VB6 programming software that only wants to run on a Windows box.

2014 -- An 8051-compatible microcontroller core with 26.85 times the performance per MHz of the original 8051 chip is now available from semiconductor intellectual property provider CAST, Inc. Modern ...

Specifically, the TI chips in this build revolve around the 8051-core microcontrollers, which [Aaron] has found in small e-paper price tags and other RF hardware. He’s using an ESP32 to ...