Dough133

Status: Active Stack: ESP32 • C++ • PWM • PID • Home Assistant

Overview  

Dough133 is a precision-controlled sourdough proofer. Built around an insulated cooler, it uses an ESP32 to modulate a PTC heater via PID control, ensuring the perfect thermal environment for consistent fermentation even in cold winters.

Posts  

March 5, 2024 • 14 min read • Sourdough

Building a DIY Sourdough Proofer (Dough133)

How to build a precision-controlled DIY sourdough proofer using an ESP32, a cooler, and a 3D printed heater assembly.

March 17, 2024 • 11 min read • KiCAD

Dough133 Electronics: Designing a Custom ESP32 Controller for Proofing Sourdough

A detailed guide to the custom electronics design of the Dough133 sourdough proofer's ESP32 controller: safety circuits, PWM heater control, and PCB layout.

September 29, 2024 • 11 min read • Sourdough

Dough133 Assembly: Building a DIY Sourdough Proofer

A step-by-step guide to assembling the Dough133 sourdough proofer, including PCB soldering, 3D printed component installation, and wiring.

February 14, 2026 • 7 min read • Sourdough

Dough133 Control: Yeast Welfare through Applied Mathematics

Exploring control theory and thermal modeling through the Dough133 sourdough proofer.

Resources  

• GitHub: Firmware & PCB Design
• Community: Hackaday Project Page