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Pi Pico Soil Moisture Indicator
A step-by-step guide to building a soil moisture indicator for indoor plants using a Raspberry Pi Pico, a SparkFun soil moisture sensor, and a WS2812B NeoPixel ring running CircuitPython, with automatic calibration.
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"FIX: Mac OSX Volume keys not working with VIA/QMK"
A quick fix for Mac users whose volume keys stop working after configuring a custom mechanical keyboard with VIA/QMK firmware — use the "any" key with hex codes instead of the broken Mac-specific keycodes.
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Build a simple USB HID Macropad using Seeeduino Xiao & CircuitPython
A step-by-step guide to building an 8-key mechanical macropad using the Seeeduino Xiao microcontroller and CircuitPython, including wiring, HID library setup, and fully commented example code for macOS shortcuts.
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Installing CircuitPython on Seeeduino Xiao
A concise tutorial on flashing CircuitPython onto the Seeeduino Xiao — a tiny, low-cost SAMD21-based board — covering bootloader mode, UF2 flashing, and getting a first Python script running.
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"OLD: Networked Nightlights with ESP8266 and Raspberry Pi"
A project guide for building scalable, low-cost Wi-Fi-connected nightlights using an ESP8266 and WS2812B LED strips controlled by a Raspberry Pi Flask server — though the author now recommends WLED as a modern replacement.