The product was delivered on time, well packaged and fully functional, everything is fine! Great seller, great quality and packaging. As for the module itself, it's quite difficult to work with. If you're a beginner like me, you'd better get a 5V module (that's 3.3V, so you have to worry about under-voltage). if your system is 5V) and it is more layout friendly, like other ESP8266 models. There are many, just look. However, if you know how to work with this module, it is the cheapest and therefore the best option for a final project that you do not want to spend too much on. on the.
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