⚠ Not a certified energy meter. The ESP32 ADC is noisy and non-linear. Don't use this for billing or protection. The board has a 230 V section, so build and test it only if you're competent with mains ...
原创 最新推荐文章于 2026-09-20 09:25:59 发布 · 178 阅读 做电力监测、智能家居能源统计或者电机状态检测的朋友，肯定绕不开一个环节：把220V甚至更低的交流电压，安全地变成单片机ADC能读的小信号 ...
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