diff --git a/variants/m5stack_coreink/Speaker.cpp b/variants/m5stack_coreink/Speaker.cpp
new file mode 100644
index 000000000..0aaff1238
--- /dev/null
+++ b/variants/m5stack_coreink/Speaker.cpp
@@ -0,0 +1,33 @@
+#include "Speaker.h"
+
+TONE::TONE(void) {
+  _volume = 5;
+  _begun = false;
+}
+
+void TONE::begin() {
+  _begun = true;
+  ledcSetup(TONE_PIN_CHANNEL, 0, 13);
+  ledcAttachPin(PIN_BUZZER, TONE_PIN_CHANNEL);
+}
+
+void TONE::end() {
+  mute();
+  ledcDetachPin(PIN_BUZZER);
+  _begun = false;
+}
+
+void TONE::tone(uint16_t frequency) {
+  if(!_begun) begin();
+  ledcWriteTone(TONE_PIN_CHANNEL, frequency);
+  ledcWrite(TONE_PIN_CHANNEL, 0x400 >> _volume);
+}
+
+void TONE::setVolume(uint8_t volume) {
+  _volume = 11 - volume;
+}
+
+void TONE::mute() {
+  ledcWriteTone(TONE_PIN_CHANNEL, 0);
+  digitalWrite(PIN_BUZZER, 0);
+}
\ No newline at end of file
diff --git a/variants/m5stack_coreink/Speaker.h b/variants/m5stack_coreink/Speaker.h
new file mode 100644
index 000000000..2ab877d9b
--- /dev/null
+++ b/variants/m5stack_coreink/Speaker.h
@@ -0,0 +1,30 @@
+#ifndef _SPEAKER_H_
+  #define _SPEAKER_H_
+
+  #include "configuration.h"
+
+  #ifdef __cplusplus
+    extern "C"
+    {
+  #endif /* __cplusplus */
+  #include "esp32-hal-dac.h"
+  #ifdef __cplusplus
+    }
+  #endif /* __cplusplus */
+
+  class TONE {
+    public:
+      TONE(void);
+
+      void begin();
+      void end();
+      void mute();
+      void tone(uint16_t frequency);
+      void setVolume(uint8_t volume);
+
+    private:
+      uint8_t _volume;
+      bool _begun;
+      bool speaker_on;
+  };
+#endif
diff --git a/variants/m5stack_coreink/platformio.ini b/variants/m5stack_coreink/platformio.ini
index c33187da0..796b58e67 100644
--- a/variants/m5stack_coreink/platformio.ini
+++ b/variants/m5stack_coreink/platformio.ini
@@ -1,18 +1,26 @@
 [env:m5stack-coreink]
 extends = esp32_base
 board = m5stack-coreink
+build_src_filter = 
+  ${esp32_base.build_src_filter}
+  +<../variants/m5stack_coreink>
 build_flags = 
-  ${esp32_base.build_flags} -D M5_COREINK -I variants/m5stack_coreink
+  ${esp32_base.build_flags} -I variants/m5stack_coreink
   ;-D RADIOLIB_VERBOSE
   -Ofast
   -D__MCUXPRESSO
   -DEPD_HEIGHT=200
   -DEPD_WIDTH=200
+  -DUSER_SETUP_LOADED
+  -DM5_COREINK 
   -DM5STACK
 lib_deps = 
   ${esp32_base.lib_deps}
   zinggjm/GxEPD2@^1.4.9
   lewisxhe/PCF8563_Library@^1.0.1
+lib_ignore =
+  m5stack-coreink
+monitor_filters = esp32_exception_decoder
 board_build.f_cpu = 240000000L
 upload_protocol = esptool
-upload_port = /dev/ttyACM*
+upload_port = /dev/ttyACM0
diff --git a/variants/m5stack_coreink/variant.h b/variants/m5stack_coreink/variant.h
index ef490415c..0676fda1c 100644
--- a/variants/m5stack_coreink/variant.h
+++ b/variants/m5stack_coreink/variant.h
@@ -1,34 +1,40 @@
-#define I2C_SDA 21 //-1
-#define I2C_SCL 22 //-1
+#define I2C_SDA 21
+#define I2C_SCL 22
 
-//#define LED_PIN 10
+// LED?
+#define LED_INVERTED 0
+#define LED_PIN 10
 
 #include "pcf8563.h"
 // PCF8563 RTC Module
 #define PCF8563_RTC 0x51
-
-#define BUTTON_NEED_PULLUP
-#define BUTTON_PIN 5
+#define HAS_RTC 1
 
 //Wheel
 // Down 37
 // Push 38
 // Up 39
-
 // Top Physical Button 5
 
+#define BUTTON_NEED_PULLUP
+#define BUTTON_PIN 5
+
+//BUZZER
+#define PIN_BUZZER 2
+#define TONE_PIN_CHANNEL 0
+
 #undef RF95_SCK
 #undef RF95_MISO
 #undef RF95_MOSI
 #undef RF95_NSS
 #define USE_RF95
 
-#define RF95_SCK  18 //13
-#define RF95_MISO 34 //26
-#define RF95_MOSI 23 //25 
+#define RF95_SCK  18
+#define RF95_MISO 34
+#define RF95_MOSI 23 
 #define RF95_NSS 14 
-#define LORA_DIO0 25 //32 now moved from ext port
-#define LORA_RESET 26 //33 now moved from ext port
+#define LORA_DIO0 25
+#define LORA_RESET 26
 #define LORA_DIO1 RADIOLIB_NC
 #define LORA_DIO2 RADIOLIB_NC
 
@@ -39,12 +45,10 @@
 #define USE_EINK
 //https://docs.m5stack.com/en/core/coreink
 //https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/schematic/Core/coreink/coreink_sch.pdf
-#define PIN_EINK_EN    -1
-#define PIN_EINK_CS    9          // EPD_CS
-#define PIN_EINK_BUSY  4          // EPD_BUSY
+#define PIN_EINK_EN    -1          // N/C
+#define PIN_EINK_CS    9           // EPD_CS
+#define PIN_EINK_BUSY  4           // EPD_BUSY
 #define PIN_EINK_DC    15          // EPD_D/C
-#define PIN_EINK_RES   -1          // Connected to GPIO0 but no needed !!!! maybe causing issue ?
-#define PIN_EINK_SCLK  18           // EPD_SCLK
+#define PIN_EINK_RES   -1          // Connected but not needed
+#define PIN_EINK_SCLK  18          // EPD_SCLK
 #define PIN_EINK_MOSI  23          // EPD_MOSI
-
-#define HAS_RTC 1