Create a cheap MP3 Player controlled by browser and WIFI. hardware you need: NodeMCU V2 (amica) YX5300 DFplayer Module micro SD Card Micro USB Cable for powering 3 short jumper cable (female/female) No soldering and screws needed. I flashed the NodeMCU with ESPEasy. Please pay attention that only testing bi contain the mp3 device! Use a bin like "ESP_Easy_mega-xxxxxxxx_test_ESP8266_4096.bin". You can find infos about the YX5300 module here.