Open‑Source Firmware Released for PicoCalc, Cardputer, and ESP32‑Based Modules

A GitHub repository has been published offering open‑source firmware for multiple hobbyist devices. The firmware supports the PicoCalc calculator, the Cardputer handheld, and a video‑game module. It also targets ESP32 microcontrollers and Raspberry Pi platforms. The project is authored by user jblanked and is available under an open license. Documentation includes build instructions and configuration options for each board. Developers can customize the code to add features or adapt it to new hardware. Community contributors are invited to submit improvements via pull requests. The release aims to simplify development for makers working with these platforms.