SFP56 Testing Board Design Note

I will record the note of design a SFP56 Testing board.

ESP32 and human body infrared module

Usage of ESP32 to control the human body infrared module, covering its components, control principle, applications, circuit connection, and code.

Develop ESP32 in VScode with PlatformIO

smart alarm clock with ESP32

Introduction to the Powerful MultiButton Key Driver Module

MultiButton a powerful and easy-to-use key driver module. It explains its core advantages, usage steps, data structure, supported events, and provides example code.

Obsidian remove strikethrough on completed tasks

This post shows how to remove strikethrough on completed tasks in Obsidian.

Control LED Brightness with ESP32 PWM

This article focuses on the ESP32 board's PWM capabilities, detailing key terms like TON, TOFF, period, and duty cycle, essential for understanding PWM applications and implementation.

ESP32 PWM Output

This article details how to utilize ESP32's PWM feature to manage LED brightness, covering components, code, and testing.

ESP32 SPI Communication