minor corrections

src/main.cpp

@@ -1852,7 +1852,8 @@ void rfidScanner(void *parameter) {
             if (!mfrc522.PICC_ReadCardSerial()) {
                 continue;
             }
-//            mfrc522.PICC_DumpToSerial();
+
+            //mfrc522.PICC_DumpToSerial(&(mfrc522.uid));
             mfrc522.PICC_HaltA();
             mfrc522.PCD_StopCrypto1();
 

src/settings.h

@@ -25,18 +25,18 @@
     //########################## MODULES #################################
     //#define PORT_EXPANDER_ENABLE          // When enabled, buttons can be connected via port-expander PCA9555
     #define MDNS_ENABLE                     // When enabled, you don't have to handle with ESPuino's IP-address. If hostname is set to "ESPuino", you can reach it via ESPuino.local
-    //#define MQTT_ENABLE                     // Make sure to configure mqtt-server and (optionally) username+pwd
+    #define MQTT_ENABLE                     // Make sure to configure mqtt-server and (optionally) username+pwd
     #define FTP_ENABLE                      // Enables FTP-server; DON'T FORGET TO ACTIVATE AFTER BOOT BY PRESSING PAUSE + NEXT-BUTTONS (IN PARALLEL)!
-    //#define NEOPIXEL_ENABLE                 // Don't forget configuration of NUM_LEDS if enabled
+    #define NEOPIXEL_ENABLE                 // Don't forget configuration of NUM_LEDS if enabled
     //#define NEOPIXEL_REVERSE_ROTATION     // Some Neopixels are adressed/soldered counter-clockwise. This can be configured here.
     #define LANGUAGE 1                      // 1 = deutsch; 2 = english
     //#define STATIC_IP_ENABLE              // Enables static IP-configuration (change static ip-section accordingly)
     //#define HEADPHONE_ADJUST_ENABLE       // Used to adjust (lower) volume for optional headphone-pcb (refer maxVolumeSpeaker / maxVolumeHeadphone)
     #define SHUTDOWN_IF_SD_BOOT_FAILS       // Will put ESP to deepsleep if boot fails due to SD. Really recommend this if there's in battery-mode no other way to restart ESP! Interval adjustable via deepsleepTimeAfterBootFails.
-    //#define MEASURE_BATTERY_VOLTAGE         // Enables battery-measurement via GPIO (ADC) and voltage-divider
+    #define MEASURE_BATTERY_VOLTAGE         // Enables battery-measurement via GPIO (ADC) and voltage-divider
     //#define PLAY_LAST_RFID_AFTER_REBOOT   // When restarting ESPuino, the last RFID that was active before, is recalled and played
     //#define USE_LAST_VOLUME_AFTER_REBOOT  // Remembers the volume used at last shutdown after reboot
-    //#define USEROTARY_ENABLE                // If rotary-encoder is used (don't forget to review WAKEUP_BUTTON if you disable this feature!)
+    #define USEROTARY_ENABLE                // If rotary-encoder is used (don't forget to review WAKEUP_BUTTON if you disable this feature!)
     #define BLUETOOTH_ENABLE                // If enabled and bluetooth-mode is active, you can stream to your ESPuino via bluetooth (a2dp-sink).
     //#define IR_CONTROL_ENABLE             // Enables remote control
 
@@ -47,8 +47,8 @@
 
 
     //################## select RFID reader ##############################
-    //#define RFID_READER_TYPE_MFRC522_SPI    // use MFRC522 via SPI
-    #define RFID_READER_TYPE_MFRC522_I2C  // use MFRC522 via I2C
+    #define RFID_READER_TYPE_MFRC522_SPI    // use MFRC522 via SPI
+    //#define RFID_READER_TYPE_MFRC522_I2C  // use MFRC522 via I2C
     //#define RFID_READER_TYPE_PN5180       // use PN5180
 
     #ifdef RFID_READER_TYPE_MFRC522_I2C