A low-powered, battery-operated desk timer designed to help you stay productive using the Pomodoro technique. This timer is powered by AA batteries and features a custom-built ATSAMD21-based board optimized for low power consumption and battery efficiency. It updates a 2.13-inch E-Ink display to show the timer and includes three mechanical switches for control.

• Low Power Consumption: Designed to run efficiently on AA batteries for extended periods.
• Custom PCB: Built around the ATSAMD21E18A microcontroller for low power and minimal passive components.
• E-Ink Display: A 2.13-inch E-Ink display for clear and power-efficient timer updates.
• Mechanical Switches: Three tactile mechanical switches for intuitive control.
• Compact Design: A sleek and functional case designed to fit on your desk.

• PCB Design: src/pcb/
  • Includes schematics, Gerber files, and production-ready designs.
• Case Design: src/production/
  • STL files for 3D printing the case.
• Bill of Materials (BOM): src/production/BOM_Board1_PCB1_2025-07-20.csv