tag:blogger.com,1999:blog-2769060068368517893.post1840260163826139566..comments2023-12-20T03:21:50.986-08:00Comments on alex9ufo 聰明人求知心切: NodeMCU Lesson 10 — Active Buzzer & MQTTalex9ufohttp://www.blogger.com/profile/06410520834323738012noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2769060068368517893.post-72069345487495903722019-06-11T07:32:59.299-07:002019-06-11T07:32:59.299-07:00請問ESP8266所接的Buzzer有限定用哪種電壓嗎?3V還是5V?請問ESP8266所接的Buzzer有限定用哪種電壓嗎?3V還是5V?4a5ghttps://www.blogger.com/profile/17680310217894749306noreply@blogger.com