If you’re a regular reader of Hackaday, you may have noticed a certain fondness for Meshtastic devices, and the LoRa protocol ...
This repository contains an Arduino implementation for MH-Z CO2 sensors, including MH-Z14A, MH-Z19B, and MH-Z19C. It aims to consolidate information on these sensors in one place for easy access. The ...
Abstract: The paper introduces a kind of dual-processor guide blind device based on chip STC89C51 and STM32. The STC89C51 single-chip microcontroller as the main controller, with an integrated ...
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