前几天发布了开源4.3寸触摸屏的文章，里面有WIFI获取时间和天气预报相关的功能，今天就来介绍一下这个功能是怎样实现的。 1.底层驱动 首先，硬件上，单片机通过串口AT指令访问WIFI模块（ESP8266）。具体AT指令怎样写，可以参考之前的文章《单片机裸机环境下 ...

If your interest has been piqued by the inexpensive wireless-enabled goodness of the ESP8266 microcontroller, but you have been intimidated by the slightly Wild-West nature of the ecosystem that ...

Electronics is an expensive hobby. You often need to buy expensive hardware to complete a small hobby project. Fortunately, searching will give you a long list of cheap “retired” parts. If you’re sure ...