Kathleen Stepas Jun 27,2025 3247

Design Your Own Pomodoro Timer with ESP32 and a Custom PCB: Step-by-Step Guide for Makers and Students

1. Introduction In this article, I’ll show you how I designed a Pomodoro timer from scratch using an ESP32 microcontroller, an LCD display, control buttons, and a buzzer — all mounted on a custom...

PCB Manufacturing PCB design schematic circuit custom pcb esp32