Justin Chae

Pokodoro Haptic Timer

A pocket Pomodoro timer with a custom PCB, ESP32, and haptic buzz feedback in a 3D-printed / injection-moldable housing.

Pokodoro Haptic Timer

Placeholder writeup — swap in the real project photos and copy.

Overview

Pokodoro is a small haptic Pomodoro timer: custom PCB built around an ESP32, an ERM vibration motor for silent haptic alerts, and a housing designed to be either 3D-printed for prototypes or injection-molded for a production run.

System

  • Electronics: custom PCB, ESP32, ERM motor
  • Enclosure: 3D-printed prototype housing, designed for injection molding

Notes

Full PCB design, firmware, and DFM writeup to come.

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