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Intel 4‑Wire Fan Specification and wiring

Intel 4‑Wire Fan Specification Explained (25 kHz PWM, Open‑Collector, Real‑World Tests)

BernhardDecember 26, 2025

Learn the Intel 4‑wire PWM fan specification with real‑world tests. Understand 25 kHz open‑collector control, minimum...

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Control 4 wire fan using ESP8266

How to Control a 4-Wire PC Fan Using ESP8266 (PWM + RPM Monitoring Guide)

BernhardOctober 22, 2025

Learn how to control a 4-wire PWM PC fan using an ESP8266 board. This step-by-step...

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ESP8266 and ESP32 different devkits pinouts and hints

ESP8266/ESP32 DevKit Pinouts: Guide with Usage Hints

BernhardOctober 3, 2025

This guide covers the pinout diagrams, GPIO functions, and key considerations for both ESP8266 and...

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Second banner for ESP8266 ESP32 and MicroPython

ESP32 & ESP8266 MicroPython Tutorials (Complete Guide with Projects)

BernhardAugust 30, 2025

Master List of ESP8266 & ESP32 Tutorials with MicroPython Welcome to the ultimate collection of...