Soundmachine

Hi Folks, i wanted to create my own sound machine with individual sounds. So i used the MP3-DFPlayer-Mini Module from AZ-Delivery. it has an SD-card slot for your Mp3 sound files and a mini 3 watts amplifier. But the best part is, if you connect buttons with it with an individual resitans, you can trigger defined sounds.So what do you need for this project. - 1X AZ-Delivery MP3 DFPlayer mini Module- 1X 3 Watts 50mm Speaker - 1X 3v-5v Power Supply ( i used an 3.7v battery 18650)- 14X Buttons ( i used PBS-110)- 1X USBC battery charger board- 1X ON / Off Switch KCD1-101- 4 M3 melting insets- 4X M3x8mm Screws- 4X M4X8 Screws with nuts- a bunch of resistors please see pictures- some wires or jumpercables- and a old SD card I cant give you an exact guide for the soldering part, please see the pictures.You have to solder the batterholder on the chargerboard and the positiv wire runs to the ON/OFF button and from the button to the Player. Ground goes from the chargerboard to groundrail (which