STM32 Project

Build a Filament Dryer with PID Control for FDM 3D Printing

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DIY PID-controlled filament dryer dry box with open lid, foil insulation, orange PI heater plate, OLED display, red and green status LEDs, and PID temperature history chart.

Disclosure: This article reviews an open-source hardware project by lvyiwuhen, “A Filament Dryer with PID Control,” which is a practical FDM 3D printing accessory designed for reliable filament drying with precise temperature control. We aim to share this functional hardware project, which solves a real 3D printing pain point, with the global hobby electronics and … Read more