DIY Core Rope Memory Z80 Demonstrator Generating a Fibonacci Sequence

We’ve seen a few retro products using core rope memory, such as telephone autodiallers. Obviously, we’ve covered the Apollo program computers, but we don’t think we’ve seen a complete and …read more Continue reading DIY Core Rope Memory Z80 Demonstrator Generating a Fibonacci Sequence

Solve: An ESP32-Based Equation Solving Calculator

We’re suckers for good-looking old-school calculators, so this interesting numerical equation-solving calculator by [Peter Balch] caught our attention. Based around the ESP32-WROOM-32 module and an LCD, the build is quite straightforward …read more Continue reading Solve: An ESP32-Based Equation Solving Calculator