DirectoryNode structure

README.md

@@ -1,12 +1,17 @@
 # HannaBox
-Manual install of wifi manager download zip in project dir using vs console:
 
-    pio lib install ~/Downloads/WiFiManager-2.0.16-rc.2.zip 
+## Microcontroller
 
+D1 Mini ESP32
+Due to mp3 playback it needs a multicore esp 32:
+
+This library only works on multi-core ESP32 chips like the ESP32-S3. It does not work on the ESP32-S2 or the ESP32-C3 warning
 
 ## Pins
+
+```
 Amplifier:
-RX -> DIN
+25 -> DIN
 D8 -> BCLK
 D4 -> LRC
 5V -> Vin
@@ -19,6 +24,8 @@ CS -> D1
 MOSI -> D7
 CLK -> D5
 MISO -> D6
+```
+
 
 ## Links