Articles
Everything I have written.
HomeKit builds, projects, guides and blog posts in one place, the newest first.
Guides
ESP32-C6-WROOM-1 Pinout
The complete pin reference for the ESP32-C6-WROOM-1 module: Wi-Fi 6, Bluetooth LE and 802.15.4 (Thread and Zigbee) on one chip, plus the exact pins you can safely reuse.
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Guides
ESP32-WROOM-32D Pinout
The pin reference for the ESP32-WROOM-32D module: 38 pads, 32 GPIOs of which 6 are tied to the flash, how to flash it and which pins are safe to use.
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Projects
The ESP32 Family, Explained Honestly
A plain-language walkthrough of every real ESP32 family (and the ESP8266), what each is actually good at, and which one to reach for depending on what you're building.
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Guides
STM32F103C8T6 “Blue Pill” Pinout
The STM32F103C8T6 Blue Pill pin reference: both headers, SWD and USB connectors, BOOT jumpers, flashing, code and the hardware traps of the cheap boards.
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Guides
SSD1306 OLED Display
A tiny, self-illuminating I2C display for turning a headless ESP32 project into something readable at a glance. Covers the SSD1306 vs SH1106 offset trap, how the page-based framebuffer works, and avoiding burn-in.
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Guides
SHT40 / SHT41 Temperature and Humidity Sensor Complete Guide
The SHT40, SHT41 and SHT45 temperature and humidity sensors from Sensirion: 1.08 V supply, 0.08 µA idle, I2C addresses, wiring, the complete command set, code and the traps that cause wrong readings.
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