Tag: LED

A practical guide to building a rechargeable RGB lighting device using ESP32, WS2812B LED strip, and dual 18650 batteries. Covers hardware design, power calculation, and advanced lighting effects for real-world applications.

This article demonstrates how to build a classic LED chaser (running light) circuit with ESP32, including several implementation methods and code optimizations.

This article demonstrates how to control ESP32 GPIO output to light up and blink an LED, providing a hands-on introduction to ESP32 hardware programming using Arduino.

The ESP32-P4-EYE is a development kit based on the ESP32-P4 chip, designed for AI vision applications. It offers various features including a 2MP camera, USB connectivity, and a rich set of peripherals.

This is a Pomodoro timer based on ESP32 with a 4.26-inch black-and-white E-Ink display, featuring a rotary encoder for input. The timer helps manage work and break intervals efficiently.

TRMNL is a wireless 7.5-inch black-and-white E-Ink display based on the ESP32-C3 RISC-V SoC, offering customizable features, open-source firmware, and API access. It's perfect for DIYers and makers.

This post introduces the design of the DCDC chip SY8303 circuit, covering the schematic and PCB drawing processes, along with precautions and tips.

This tutorial discusses using ESP32 with ChatGPT for voice input and feedback. It covers required hardware, code development, and integration methods.