diff --git a/platformio.ini b/platformio.ini
index 9cba5684..a775db73 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -31,7 +31,8 @@ halfile = generic.h
 ;halfile = octopus32.h
 ;halfile = tinypico.h
 ;halfile = tinypicomatrix.h
-;halfile = m5stack.h
+;halfile = m5core.h
+;halfile = m5fire.h
 
 [platformio]
 ; upload firmware to board with usb cable
diff --git a/src/hal/m5stack.h b/src/hal/m5core.h
similarity index 94%
rename from src/hal/m5stack.h
rename to src/hal/m5core.h
index 371d725a..1f3371ce 100644
--- a/src/hal/m5stack.h
+++ b/src/hal/m5core.h
@@ -1,11 +1,11 @@
 // clang-format off
 // upload_speed 921600
-// board M5Stack-Core-ESP32
+// board m5stack-core-esp32
 
 // EXPERIMENTAL VERSION - NOT TESTED ON M5 HARDWARE YET
 
-#ifndef _M5STACK_H
-#define _M5STACK_H
+#ifndef _M5CORE_H
+#define _M5CORE_H
 
 #include <stdint.h>
 
@@ -57,6 +57,6 @@
 #define MY_OLED_RST GPIO_NUM_33
 #define MY_OLED_BL GPIO_NUM_32
 #define MY_OLED_MOSI GPIO_NUM_23
-#define MY_OLED_MISO GPIO_NUM_23
+#define MY_OLED_MISO GPIO_NUM_19
 
 #endif
\ No newline at end of file
diff --git a/src/hal/m5fire.h b/src/hal/m5fire.h
new file mode 100644
index 00000000..0064799c
--- /dev/null
+++ b/src/hal/m5fire.h
@@ -0,0 +1,64 @@
+// clang-format off
+// upload_speed 921600
+// board m5stack-fire
+
+// EXPERIMENTAL VERSION - NOT TESTED ON M5 HARDWARE YET
+
+#ifndef _M5FIRE_H
+#define _M5FIRE_H
+
+#include <stdint.h>
+
+// #define HAS_LORA 1 // comment out if device shall not send data via LoRa or has no M5 RA01 LoRa module
+
+// Pins for LORA chip SPI interface, reset line and interrupt lines
+#define LORA_SCK  SCK
+#define LORA_CS   SS
+#define LORA_MISO MISO
+#define LORA_MOSI MOSI
+#define LORA_RST  GPIO_NUM_36
+#define LORA_IRQ  GPIO_NUM_26
+#define LORA_IO1  GPIO_NUM_34 // must be externally wired on PCB!
+#define LORA_IO2  LMIC_UNUSED_PIN
+
+
+// enable only if you want to store a local paxcount table on the device
+#define HAS_SDCARD  1      // this board has an SD-card-reader/writer
+// Pins for SD-card
+#define SDCARD_CS    GPIO_NUM_4
+#define SDCARD_MOSI  MOSI
+#define SDCARD_MISO  MISO
+#define SDCARD_SCLK  SCK
+
+// user defined sensors
+//#define HAS_SENSORS 1 // comment out if device has user defined sensors
+
+#define CFG_sx1276_radio 1 // select LoRa chip
+#define BOARD_HAS_PSRAM // use if board has external PSRAM
+#define DISABLE_BROWNOUT 1 // comment out if you want to keep brownout feature
+
+//#define HAS_DISPLAY 1
+#define HAS_TFT 1
+//#define DISPLAY_FLIP  1 // use if display is rotated
+//#define BAT_MEASURE_ADC ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
+//#define BAT_VOLTAGE_DIVIDER 2 // voltage divider 100k/100k on board
+
+#define HAS_LED NOT_A_PIN // no on board LED (?)
+#define HAS_RGB_LED SmartLed rgb_led(LED_SK6812, 10, GPIO_NUM_15) // LED_SK6812 RGB LED on GPIO15
+#define HAS_BUTTON (39) // on board button A
+
+// GPS settings
+#define HAS_GPS 0 // use on board GPS
+#define GPS_SERIAL 9600, SERIAL_8N1, RXD2, TXD2 // UBlox NEO 6M RX, TX
+// #define GPS_INT GPIO_NUM_35 // 30ns accurary timepulse, to be external wired on pcb: shorten R12!
+
+// Pins for interface of LC Display
+#define MY_OLED_CS GPIO_NUM_14
+#define MY_OLED_DC GPIO_NUM_27
+#define MY_OLED_CLK GPIO_NUM_18
+#define MY_OLED_RST GPIO_NUM_33
+#define MY_OLED_BL GPIO_NUM_32
+#define MY_OLED_MOSI GPIO_NUM_23
+#define MY_OLED_MISO GPIO_NUM_19
+
+#endif
\ No newline at end of file