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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. Read more 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. Read more
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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. Read more Guides The Complete Guide to the HLK-LD2450 24GHz Multi-Target Tracking Radar Module The LD2450 is Hi-Link's multi-target mmWave radar: where the already-published LD2410 only tells you someone is present, the LD2450 tracks up to three people at once with real X/Y position and speed. This guide covers its real UART protocol, wiring, and when you actually need position tracking over simple presence. Read more 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. Read more 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. Read more 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. Read more
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