diff --git a/boards/mellow-fly-sht-36-pro/98-mellow-fly-sht-36-pro.rules b/boards/mellow-fly-sht-36-pro/98-mellow-fly-sht-36-pro.rules
new file mode 100644
index 00000000..a2634108
--- /dev/null
+++ b/boards/mellow-fly-sht-36-pro/98-mellow-fly-sht-36-pro.rules
@@ -0,0 +1,4 @@
+# Mellow FLY-SHT 36 PRO
+SUBSYSTEMS=="usb", ATTRS{idProduct}=="614e", ATTRS{idVendor}=="1d50", ATTRS{serial}=="mellow-fly-sht-36-pro", ACTION=="add", SYMLINK+="mellow-fly-sht-36-pro", RUN+="/home/pi/printer_data/config/RatOS/scripts/klipper-mcu-added.sh"
+
+ACTION=="remove", ENV{DEVLINKS}=="/dev/mellow-fly-sht-36-pro"
diff --git a/boards/mellow-fly-sht-36-pro/board-definition.json b/boards/mellow-fly-sht-36-pro/board-definition.json
new file mode 100644
index 00000000..1b4c560c
--- /dev/null
+++ b/boards/mellow-fly-sht-36-pro/board-definition.json
@@ -0,0 +1,35 @@
+{
+ "$schema": "../board-definition.schema.json",
+ "boardImageFileName": "board.webp",
+ "wireDiagramFileName": "wiring.drawio.svg",
+ "isToolboard": true,
+ "name": "FLY-SHT36-PRO",
+ "manufacturer": "Mellow",
+ "id": "mellow-fly-sht-36-pro",
+ "firmwareBinaryName": "firmware-mellow-fly-sht-36-pro.bin",
+ "compileScript": "compile.sh",
+ "flashScript": "flash.sh",
+ "flashInstructions": "After initial flashing, make sure the RST jumper is not inserted.",
+ "documentationLink": "https://os.ratrig.com/docs/boards/mellow/fly-sht-36",
+ "driverCount": 1,
+ "integratedDrivers": {
+ "extruder": "MELLOW-FLY-TMC5160"
+ },
+ "dfu": {
+ "flashDevice": "0483:df11",
+ "dfuBootImage": "dfubooting.png",
+ "instructions": [
+ "Add the jumper as shown in the picture",
+ "Connect the board via USB to the Raspberry Pi",
+ "Make sure the board is powered on",
+ "If the board was already connected and powered when you inserted the jumper, click the boot button on the board."
+ ],
+ "hasBoot0Jumper": true
+ },
+ "ADXL345SPI": {
+ "cs_pin": "gpio9",
+ "hardware": {
+ "bus": "spi1"
+ }
+ }
+}
diff --git a/boards/mellow-fly-sht-36-pro/board.webp b/boards/mellow-fly-sht-36-pro/board.webp
new file mode 100644
index 00000000..dfbba868
Binary files /dev/null and b/boards/mellow-fly-sht-36-pro/board.webp differ
diff --git a/boards/mellow-fly-sht-36-pro/compile.sh b/boards/mellow-fly-sht-36-pro/compile.sh
new file mode 100644
index 00000000..1eed2b07
--- /dev/null
+++ b/boards/mellow-fly-sht-36-pro/compile.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+if [ "$EUID" -ne 0 ]
+ then echo "ERROR: Please run as root"
+ exit
+fi
+cp -f /home/pi/printer_data/config/RatOS/boards/mellow-fly-sht-36-pro/firmware.config /home/pi/klipper/.config
+pushd /home/pi/klipper || exit
+make olddefconfig
+make clean
+make
+
+if [ ! -d "/home/pi/printer_data/config/firmware_binaries" ]
+then
+ mkdir /home/pi/printer_data/config/firmware_binaries
+ chown pi:pi /home/pi/printer_data/config/firmware_binaries
+fi
+cp -f /home/pi/klipper/out/klipper.bin /home/pi/printer_data/config/firmware_binaries/firmware-mellow-fly-sht-36-pro.bin
+chown pi:pi /home/pi/printer_data/config/firmware_binaries/firmware-mellow-fly-sht-36-pro.bin
+popd || exit
diff --git a/boards/mellow-fly-sht-36-pro/dfubooting.png b/boards/mellow-fly-sht-36-pro/dfubooting.png
new file mode 100644
index 00000000..a9ccc7c5
Binary files /dev/null and b/boards/mellow-fly-sht-36-pro/dfubooting.png differ
diff --git a/boards/mellow-fly-sht-36-pro/firmware.config b/boards/mellow-fly-sht-36-pro/firmware.config
new file mode 100644
index 00000000..d7710059
--- /dev/null
+++ b/boards/mellow-fly-sht-36-pro/firmware.config
@@ -0,0 +1,72 @@
+CONFIG_LOW_LEVEL_OPTIONS=y
+# CONFIG_MACH_AVR is not set
+# CONFIG_MACH_ATSAM is not set
+# CONFIG_MACH_ATSAMD is not set
+# CONFIG_MACH_LPC176X is not set
+# CONFIG_MACH_STM32 is not set
+# CONFIG_MACH_HC32F460 is not set
+CONFIG_MACH_RP2040=y
+# CONFIG_MACH_PRU is not set
+# CONFIG_MACH_AR100 is not set
+# CONFIG_MACH_LINUX is not set
+# CONFIG_MACH_SIMU is not set
+CONFIG_BOARD_DIRECTORY="rp2040"
+CONFIG_MCU="rp2040"
+CONFIG_CLOCK_FREQ=12000000
+CONFIG_USBSERIAL=y
+CONFIG_FLASH_SIZE=0x200000
+CONFIG_FLASH_BOOT_ADDRESS=0x10000100
+CONFIG_RAM_START=0x20000000
+CONFIG_RAM_SIZE=0x42000
+CONFIG_STACK_SIZE=512
+CONFIG_FLASH_APPLICATION_ADDRESS=0x10004000
+CONFIG_RP2040_SELECT=y
+CONFIG_RP2040_HAVE_BOOTLOADER=y
+# CONFIG_RP2040_FLASH_START_0100 is not set
+CONFIG_RP2040_FLASH_START_4000=y
+CONFIG_RP2040_STAGE2_FILE="boot2_w25q080.S"
+CONFIG_RP2040_STAGE2_CLKDIV=2
+CONFIG_RP2040_USB=y
+# CONFIG_RP2040_SERIAL_UART0_PINS_0_1 is not set
+# CONFIG_RP2040_SERIAL_UART0_PINS_12_13 is not set
+# CONFIG_RP2040_SERIAL_UART0_PINS_16_17 is not set
+# CONFIG_RP2040_SERIAL_UART0_PINS_28_29 is not set
+# CONFIG_RP2040_SERIAL_UART1_PINS_4_5 is not set
+# CONFIG_RP2040_SERIAL_UART1_PINS_8_9 is not set
+# CONFIG_RP2040_SERIAL_UART1_PINS_20_21 is not set
+# CONFIG_RP2040_SERIAL_UART1_PINS_24_25 is not set
+# CONFIG_RP2040_CANBUS is not set
+# CONFIG_RP2040_USBCANBUS is not set
+CONFIG_RP2040_CANBUS_GPIO_RX=4
+CONFIG_RP2040_CANBUS_GPIO_TX=5
+CONFIG_USB=y
+CONFIG_USB_VENDOR_ID=0x1d50
+CONFIG_USB_DEVICE_ID=0x614e
+CONFIG_USB_SERIAL_NUMBER_CHIPID=y
+CONFIG_USB_SERIAL_NUMBER="12345"
+
+#
+# USB ids
+#
+# end of USB ids
+
+CONFIG_WANT_GPIO_BITBANGING=y
+CONFIG_WANT_DISPLAYS=y
+CONFIG_WANT_SENSORS=y
+CONFIG_WANT_LIS2DW=y
+CONFIG_WANT_LDC1612=y
+CONFIG_WANT_SOFTWARE_I2C=y
+CONFIG_WANT_SOFTWARE_SPI=y
+CONFIG_NEED_SENSOR_BULK=y
+CONFIG_CANBUS_FREQUENCY=1000000
+CONFIG_INITIAL_PINS=""
+CONFIG_HAVE_GPIO=y
+CONFIG_HAVE_GPIO_ADC=y
+CONFIG_HAVE_GPIO_SPI=y
+CONFIG_HAVE_GPIO_I2C=y
+CONFIG_HAVE_GPIO_HARD_PWM=y
+CONFIG_HAVE_STRICT_TIMING=y
+CONFIG_HAVE_CHIPID=y
+CONFIG_HAVE_STEPPER_BOTH_EDGE=y
+CONFIG_HAVE_BOOTLOADER_REQUEST=y
+CONFIG_INLINE_STEPPER_HACK=y
diff --git a/boards/mellow-fly-sht-36-pro/flash.sh b/boards/mellow-fly-sht-36-pro/flash.sh
new file mode 100644
index 00000000..d38fd13a
--- /dev/null
+++ b/boards/mellow-fly-sht-36-pro/flash.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+MCU=/dev/mellow-fly-sht-36-pro
+if [ "$EUID" -ne 0 ]
+ then echo "ERROR: Please run as root"
+ exit
+fi
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+FLASH_SCRIPT=$(realpath "$SCRIPT_DIR/../../scripts/flash-path.sh")
+$FLASH_SCRIPT $MCU
diff --git a/boards/mellow-fly-sht-36-pro/make-and-flash-mcu.sh b/boards/mellow-fly-sht-36-pro/make-and-flash-mcu.sh
new file mode 100644
index 00000000..ce94f472
--- /dev/null
+++ b/boards/mellow-fly-sht-36-pro/make-and-flash-mcu.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+if [ "$EUID" -ne 0 ]
+ then echo "ERROR: Please run as root"
+ exit
+fi
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+"$SCRIPT_DIR"/compile.sh
+"$SCRIPT_DIR"/flash.sh
diff --git a/boards/mellow-fly-sht-36-pro/toolboard-config.cfg b/boards/mellow-fly-sht-36-pro/toolboard-config.cfg
new file mode 100644
index 00000000..fbdd4500
--- /dev/null
+++ b/boards/mellow-fly-sht-36-pro/toolboard-config.cfg
@@ -0,0 +1,36 @@
+# WARNING. DO NOT EDIT THIS FILE.
+# To override settings from this file, you can copy and paste the relevant
+# sections into your printer.cfg and change it there.
+# WARNING: it is NOT recommended to override board_pins aliases,
+# use the boards pin names directly in your printer.cfg instead.
+# Look up the pins you need in the boards pinout diagram.
+
+[board_pins mellow-fly-sht-36]
+mcu: toolboard
+aliases:
+ x_endstop_pin=gpio21,
+ e_step_pin=gpio23, e_dir_pin=gpio24, e_enable_pin=gpio25, e_uart_pin=20, e_diag_pin=gpio22, e_heater_pin=gpio8, e_sensor_pin=gpio26,
+ thermocouple_cs=gpio1, thermocouple_miso=gpio12, thermocouple_mosi=gpio11, thermocouple_clk=gpio10,
+ # accel
+ adxl345_cs_pin=gpio9, adxl345_miso=gpio12, adxl345_mosi=gpio11, adxl345_clk=gpio10,
+ # leveling
+ bltouch_sensor_pin=gpio3, bltouch_control_pin=gpio7,
+ probe_pin=gpio7,
+ # fans
+ fan_part_cooling_pin=gpio15,
+ fan_toolhead_cooling_pin=gpio14
+
+[mcu toolboard]
+serial: /dev/mellow-fly-sht-36-pro
+
+[adxl345 toolboard]
+cs_pin: toolboard:adxl345_cs_pin
+spi_bus: spi1
+
+[temperature_sensor toolboard]
+sensor_type: temperature_mcu
+sensor_mcu: toolboard
+
+# The fly sht's use a 1000 ohm pullup resistor on the thermistor ports.
+[extruder]
+pullup_resistor: 1000
diff --git a/boards/mellow-fly-sht-36-pro/wiring.drawio.svg b/boards/mellow-fly-sht-36-pro/wiring.drawio.svg
new file mode 100644
index 00000000..2797456b
--- /dev/null
+++ b/boards/mellow-fly-sht-36-pro/wiring.drawio.svg
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file
diff --git a/boards/mellow-super-8-pro-h723/98-mellow-super-8-pro-h723.rules b/boards/mellow-super-8-pro-h723/98-mellow-super-8-pro-h723.rules
new file mode 100644
index 00000000..f9e41104
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/98-mellow-super-8-pro-h723.rules
@@ -0,0 +1,4 @@
+# Mellow Super 8 Pro w/ STM32H723
+SUBSYSTEMS=="usb", ATTRS{idProduct}=="614e", ATTRS{idVendor}=="1d50", ATTRS{serial}=="mellow-super-8-pro-h723", ACTION=="add", SYMLINK+="mellow-super-8-pro-h723", RUN+="/home/pi/printer_data/config/RatOS/scripts/klipper-mcu-added.sh"
+
+ACTION=="remove", ENV{DEVLINKS}=="/dev/mellow-super-8-pro-h723"
diff --git a/boards/mellow-super-8-pro-h723/board-definition.json b/boards/mellow-super-8-pro-h723/board-definition.json
new file mode 100644
index 00000000..036b859e
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/board-definition.json
@@ -0,0 +1,148 @@
+{
+ "$schema": "../board-definition.schema.json",
+ "boardImageFileName": "board.webp",
+ "manualFileName": "manual.pdf",
+ "wireDiagramFileName": "wiring.drawio.svg",
+ "name": "Mellow Super 8 Pro",
+ "manufacturer": "Mellow",
+ "id": "mellow-super-8-pro-h723",
+ "firmwareBinaryName": "firmware-mellow-super-8-pro-h723.bin",
+ "compileScript": "compile.sh",
+ "flashScript": "flash.sh",
+ "flashInstructions": "Flashing only works if the SD card slot on the Mellow Super 8 Pro is empty.",
+ "documentationLink": "https://os.ratrig.com/docs/boards/mellow/super-8-pro-h723",
+ "driverCount": 8,
+ "driverVoltages": [24, 36, 48, 56],
+ "dfu": {
+ "flashDevice": "0483:df11",
+ "dfuBootImage": "dfubooting.drawio.png",
+ "instructions": [
+ "Connect the board via USB to the Raspberry Pi",
+ "Add the jumper to BT0/3.3V as shown in the picture",
+ "Make sure the board is powered on",
+ "If the board was already connected and powered when you inserted the jumper, click the reset button on the board."
+ ],
+ "hasBoot0Jumper": true
+ },
+ "motorSlots": {
+ "MOTOR0": {
+ "title": "MOTOR 0",
+ "enable_pin": "PF11",
+ "step_pin": "PE2",
+ "dir_pin": "PC5",
+ "uart_pin": "PC4",
+ "cs_pin": "PC4",
+ "diag_pin": "PG12",
+ "endstop_pin": "PG12",
+ "spi_software_mosi_pin": "PB5",
+ "spi_software_miso_pin": "PB4",
+ "spi_software_sclk_pin": "PB3"
+ },
+ "MOTOR1": {
+ "title": "MOTOR 1",
+ "enable_pin": "PF14",
+ "step_pin": "PE3",
+ "dir_pin": "PF13",
+ "uart_pin": "PF12",
+ "cs_pin": "PF12",
+ "diag_pin": "PG11",
+ "endstop_pin": "PG11",
+ "spi_software_mosi_pin": "PB5",
+ "spi_software_miso_pin": "PB4",
+ "spi_software_sclk_pin": "PB3"
+ },
+ "MOTOR2": {
+ "title": "MOTOR 2",
+ "enable_pin": "PG1",
+ "step_pin": "PE4",
+ "dir_pin": "PG0",
+ "uart_pin": "PF15",
+ "cs_pin": "PF15",
+ "diag_pin": "PG10",
+ "endstop_pin": "PG10",
+ "spi_software_mosi_pin": "PB5",
+ "spi_software_miso_pin": "PB4",
+ "spi_software_sclk_pin": "PB3"
+ },
+ "MOTOR3": {
+ "title": "MOTOR 3",
+ "enable_pin": "PE9",
+ "step_pin": "PE14",
+ "dir_pin": "PE8",
+ "uart_pin": "PE7",
+ "cs_pin": "PE7",
+ "diag_pin": "PG9",
+ "endstop_pin": "PG9",
+ "spi_software_mosi_pin": "PB5",
+ "spi_software_miso_pin": "PB4",
+ "spi_software_sclk_pin": "PB3"
+ },
+ "MOTOR4": {
+ "title": "MOTOR 4",
+ "enable_pin": "PF2",
+ "step_pin": "PE15",
+ "dir_pin": "PE11",
+ "uart_pin": "PF10",
+ "cs_pin": "PF10",
+ "diag_pin": "PD7",
+ "endstop_pin": "PD7",
+ "spi_software_mosi_pin": "PB5",
+ "spi_software_miso_pin": "PB4",
+ "spi_software_sclk_pin": "PB3"
+ },
+ "MOTOR5": {
+ "title": "MOTOR 5",
+ "enable_pin": "PC15",
+ "step_pin": "PE1",
+ "dir_pin": "PF0",
+ "uart_pin": "PF1",
+ "cs_pin": "PF1",
+ "diag_pin": "PD6",
+ "endstop_pin": "PD6",
+ "spi_software_mosi_pin": "PB5",
+ "spi_software_miso_pin": "PB4",
+ "spi_software_sclk_pin": "PB3"
+ },
+ "MOTOR6": {
+ "title": "MOTOR 6",
+ "enable_pin": "PG4",
+ "step_pin": "PE0",
+ "dir_pin": "PG3",
+ "uart_pin": "PG2",
+ "cs_pin": "PG2",
+ "diag_pin": "PA8",
+ "endstop_pin": "PA8",
+ "spi_software_mosi_pin": "PB5",
+ "spi_software_miso_pin": "PB4",
+ "spi_software_sclk_pin": "PB3"
+ },
+ "MOTOR7": {
+ "title": "MOTOR 7",
+ "enable_pin": "PG7",
+ "step_pin": "PE6",
+ "dir_pin": "PG6",
+ "uart_pin": "PG5",
+ "cs_pin": "PG5",
+ "diag_pin": "PF8",
+ "endstop_pin": "PF8",
+ "spi_software_mosi_pin": "PB5",
+ "spi_software_miso_pin": "PB4",
+ "spi_software_sclk_pin": "PB3"
+ }
+ },
+ "ADXL345SPI": {
+ "cs_pin": "PD0",
+ "software": {
+ "sclk": "PD3",
+ "mosi": "PD5",
+ "miso": "PD4"
+ }
+ },
+ "stepperSPI": {
+ "software": {
+ "sclk": "PB3",
+ "mosi": "PB5",
+ "miso": "PB4"
+ }
+ }
+}
diff --git a/boards/mellow-super-8-pro-h723/board.webp b/boards/mellow-super-8-pro-h723/board.webp
new file mode 100644
index 00000000..888e5c7f
Binary files /dev/null and b/boards/mellow-super-8-pro-h723/board.webp differ
diff --git a/boards/mellow-super-8-pro-h723/compile.sh b/boards/mellow-super-8-pro-h723/compile.sh
new file mode 100644
index 00000000..2382c5b4
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/compile.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+if [ "$EUID" -ne 0 ]
+ then echo "ERROR: Please run as root"
+ exit
+fi
+
+cp -f /home/pi/printer_data/config/RatOS/boards/mellow-super-8-pro-h723/firmware.config /home/pi/klipper/.config
+pushd /home/pi/klipper || exit
+make olddefconfig
+make clean
+make
+
+if [ ! -d "/home/pi/printer_data/config/firmware_binaries" ]
+then
+ mkdir /home/pi/printer_data/config/firmware_binaries
+ chown pi:pi /home/pi/printer_data/config/firmware_binaries
+fi
+cp -f /home/pi/klipper/out/klipper.bin /home/pi/printer_data/config/firmware_binaries/firmware-mellow-super-8-pro-h723.bin
+chown pi:pi /home/pi/printer_data/config/firmware_binaries/firmware-mellow-super-8-pro-h723.bin
+
+popd || exit
diff --git a/boards/mellow-super-8-pro-h723/config.cfg b/boards/mellow-super-8-pro-h723/config.cfg
new file mode 100644
index 00000000..3b3c6e44
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/config.cfg
@@ -0,0 +1,58 @@
+# WARNING. DO NOT EDIT THIS FILE.
+# To override settings from this file, you can copy and paste the relevant
+# sections into your printer.cfg and change it there.
+# WARNING: it is NOT recommended to override board_pins aliases,
+# use the boards pin names directly in your printer.cfg instead.
+# Look up the pins you need in the boards pinout diagram.
+
+[board_pins super_8_pro_h723_tmc2209]
+aliases:
+# steppers
+ x_step_pin=PE6, x_dir_pin=PG6, x_enable_pin=PG7, x_uart_pin=PG5, x_diag_pin=PG10, x_endstop_pin=PG10,
+ y_step_pin=PE0, y_dir_pin=PG3, y_enable_pin=PG4, y_uart_pin=PG2, y_diag_pin=PG11, y_endstop_pin=PG11,
+ z0_step_pin=PE4, z0_dir_pin=PG0, z0_enable_pin=PG1, z0_uart_pin=PF15, z0_diag_pin=null,
+ z1_step_pin=PE3, z1_dir_pin=PF13, z1_enable_pin=PF14, z1_uart_pin=PF12, z1_diag_pin=null,
+ z2_step_pin=PE2, z2_dir_pin=PC5, z2_enable_pin=PF11, z2_uart_pin=PC4, z2_diag_pin=null,
+ z3_step_pin=PE14, z3_dir_pin=PE9, z3_enable_pin=PE9, z3_uart_pin=PE7, z3_diag_pin=null, # Voron 2.4 support
+ e_step_pin=PE1, e_dir_pin=PF0, e_enable_pin=PC15, e_uart_pin=PF1, e_diag_pin=null, e_heater_pin=PB0, e_sensor_pin=PF4,
+ stepper_spi_mosi_pin=PB5, stepper_spi_miso_pin=PB4, stepper_spi_sclk_pin=PB3,
+# Hybrid CoreXY Single Toolhead
+ y1_step_pin=PE15, y1_dir_pin=PE11, y1_enable_pin=PF2, y1_uart_pin=PE10, y1_diag_pin=PG12,
+ x1_step_pin=PE14, x1_dir_pin=PE8, x1_enable_pin=PE9, x1_uart_pin=PE7, x1_diag_pin=PG9,
+# Hybrid CoreXY IDEX
+ dual_carriage_step_pin=PE15, dual_carriage_dir_pin=PE11, dual_carriage_enable_pin=PF2, dual_carriage_uart_pin=PE10, dual_carriage_diag_pin=PG11,
+ dual_carriage_heater_pin=PB1, dual_carriage_sensor_pin=PF5,
+# accel
+ adxl345_cs_pin=PD0,
+# auto leveling
+ bltouch_sensor_pin=PC3, bltouch_control_pin=PC6,
+ probe_pin=PF3,
+# fans
+ fan_part_cooling_pin=PA0,
+ fan_toolhead_cooling_pin=PA1,
+ fan_controller_board_pin=PA2,
+# Bed heater
+ heater_bed_heating_pin=PE5,
+ heater_bed_sensor_pin=PC1,
+
+## Expansion ports
+ # EXP1 header
+ EXP1_1=PE12, EXP1_3=PB2, EXP1_5=PC14, EXP1_7=PG14, EXP1_9=,
+ EXP1_2=PE13, EXP1_4=PG8, EXP1_6=PC13, EXP1_8=PG13, EXP1_10=<5V>,
+ # EXP2 header
+ EXP2_1=PA6, EXP2_3=PB7, EXP2_5=PB6, EXP2_7=PG15, EXP2_9=,
+ EXP2_2=PA5, EXP2_4=PA4, EXP2_6=PA7, EXP2_8=, EXP2_10=,
+
+
+
+[mcu]
+serial: /dev/mellow-super-8-pro-h723
+
+[temperature_sensor Super_8_Pro]
+sensor_type: temperature_mcu
+min_temp: 0
+max_temp: 100
+
+[adxl345]
+spi_bus: spi1
+cs_pin: adxl345_cs_pin
diff --git a/boards/mellow-super-8-pro-h723/dfubooting.drawio.svg b/boards/mellow-super-8-pro-h723/dfubooting.drawio.svg
new file mode 100644
index 00000000..6f40dd38
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/dfubooting.drawio.svg
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file
diff --git a/boards/mellow-super-8-pro-h723/fan-wiring.drawio.svg b/boards/mellow-super-8-pro-h723/fan-wiring.drawio.svg
new file mode 100644
index 00000000..532aa89d
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/fan-wiring.drawio.svg
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file
diff --git a/boards/mellow-super-8-pro-h723/firmware.config b/boards/mellow-super-8-pro-h723/firmware.config
new file mode 100644
index 00000000..b0e57691
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/firmware.config
@@ -0,0 +1,95 @@
+CONFIG_LOW_LEVEL_OPTIONS=y
+# CONFIG_MACH_AVR is not set
+# CONFIG_MACH_ATSAM is not set
+# CONFIG_MACH_ATSAMD is not set
+# CONFIG_MACH_LPC176X is not set
+CONFIG_MACH_STM32=y
+# CONFIG_MACH_RP2040 is not set
+# CONFIG_MACH_PRU is not set
+# CONFIG_MACH_LINUX is not set
+# CONFIG_MACH_SIMU is not set
+CONFIG_BOARD_DIRECTORY="stm32"
+CONFIG_MCU="stm32h723xx"
+CONFIG_CLOCK_FREQ=400000000
+CONFIG_USBSERIAL=y
+CONFIG_FLASH_SIZE=0x40000
+CONFIG_FLASH_BOOT_ADDRESS=0x8000000
+CONFIG_RAM_START=0x20000000
+CONFIG_RAM_SIZE=0x20000
+CONFIG_STACK_SIZE=512
+CONFIG_FLASH_APPLICATION_ADDRESS=0x8020000
+CONFIG_STM32_SELECT=y
+# CONFIG_MACH_STM32F103 is not set
+# CONFIG_MACH_STM32F207 is not set
+# CONFIG_MACH_STM32F401 is not set
+# CONFIG_MACH_STM32F405 is not set
+# CONFIG_MACH_STM32F407 is not set
+# CONFIG_MACH_STM32F429 is not set
+# CONFIG_MACH_STM32F446 is not set
+# CONFIG_MACH_STM32F031 is not set
+# CONFIG_MACH_STM32F042 is not set
+# CONFIG_MACH_STM32F070 is not set
+# CONFIG_MACH_STM32F072 is not set
+# CONFIG_MACH_STM32G070 is not set
+# CONFIG_MACH_STM32G071 is not set
+# CONFIG_MACH_STM32G0B0 is not set
+# CONFIG_MACH_STM32G0B1 is not set
+# CONFIG_MACH_STM32G431 is not set
+CONFIG_MACH_STM32H723=y
+# CONFIG_MACH_STM32H743 is not set
+# CONFIG_MACH_STM32H750 is not set
+# CONFIG_MACH_STM32L412 is not set
+CONFIG_MACH_STM32H7=y
+CONFIG_HAVE_STM32_USBOTG=y
+CONFIG_HAVE_STM32_FDCANBUS=y
+CONFIG_HAVE_STM32_USBCANBUS=y
+CONFIG_STM32_DFU_ROM_ADDRESS=0x1ff09800
+CONFIG_STM32_FLASH_START_20000=y
+# CONFIG_STM32_FLASH_START_0000 is not set
+# CONFIG_STM32_CLOCK_REF_8M is not set
+# CONFIG_STM32_CLOCK_REF_12M is not set
+# CONFIG_STM32_CLOCK_REF_16M is not set
+# CONFIG_STM32_CLOCK_REF_20M is not set
+CONFIG_STM32_CLOCK_REF_25M=y
+# CONFIG_STM32_CLOCK_REF_INTERNAL is not set
+CONFIG_CLOCK_REF_FREQ=25000000
+CONFIG_STM32F0_TRIM=16
+CONFIG_STM32_USB_PA11_PA12=y
+# CONFIG_STM32_SERIAL_USART1 is not set
+# CONFIG_STM32_SERIAL_USART1_ALT_PB7_PB6 is not set
+# CONFIG_STM32_SERIAL_USART2 is not set
+# CONFIG_STM32_SERIAL_USART2_ALT_PD6_PD5 is not set
+# CONFIG_STM32_SERIAL_USART3 is not set
+# CONFIG_STM32_SERIAL_USART3_ALT_PD9_PD8 is not set
+# CONFIG_STM32_SERIAL_UART4 is not set
+# CONFIG_STM32_CANBUS_PA11_PA12 is not set
+# CONFIG_STM32_CANBUS_PA11_PB9 is not set
+# CONFIG_STM32_MMENU_CANBUS_PB8_PB9 is not set
+# CONFIG_STM32_MMENU_CANBUS_PD0_PD1 is not set
+# CONFIG_STM32_MMENU_CANBUS_PB0_PB1 is not set
+# CONFIG_STM32_MMENU_CANBUS_PD12_PD13 is not set
+# CONFIG_STM32_MMENU_CANBUS_PC2_PC3 is not set
+# CONFIG_STM32_USBCANBUS_PA11_PA12 is not set
+CONFIG_USB=y
+CONFIG_USB_VENDOR_ID=0x1d50
+CONFIG_USB_DEVICE_ID=0x614e
+# CONFIG_USB_SERIAL_NUMBER_CHIPID is not set
+CONFIG_USB_SERIAL_NUMBER="btt-octopus-pro-h723-11"
+
+#
+# USB ids
+#
+# end of USB ids
+
+CONFIG_CANBUS_FREQUENCY=500000
+CONFIG_INITIAL_PINS=""
+CONFIG_HAVE_GPIO=y
+CONFIG_HAVE_GPIO_ADC=y
+CONFIG_HAVE_GPIO_SPI=y
+CONFIG_HAVE_GPIO_HARD_PWM=y
+CONFIG_HAVE_GPIO_BITBANGING=y
+CONFIG_HAVE_STRICT_TIMING=y
+CONFIG_HAVE_CHIPID=y
+CONFIG_HAVE_STEPPER_BOTH_EDGE=y
+CONFIG_HAVE_BOOTLOADER_REQUEST=y
+CONFIG_INLINE_STEPPER_HACK=y
diff --git a/boards/mellow-super-8-pro-h723/flash.sh b/boards/mellow-super-8-pro-h723/flash.sh
new file mode 100644
index 00000000..3c52d5c1
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/flash.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+MCU=/dev/mellow-super-8-pro-h723
+if [ "$EUID" -ne 0 ]
+ then echo "ERROR: Please run as root"
+ exit
+fi
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+FLASH_SCRIPT=$(realpath "$SCRIPT_DIR/../../scripts/flash-path.sh")
+$FLASH_SCRIPT $MCU
diff --git a/boards/mellow-super-8-pro-h723/make-and-flash-mcu.sh b/boards/mellow-super-8-pro-h723/make-and-flash-mcu.sh
new file mode 100644
index 00000000..5d90ffdc
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/make-and-flash-mcu.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+# NOTE: This script ONLY WORKS if there's no SD card in the board AND the
+# board has already been flashed with klipper via SD card.
+# NEXT SECTION IS ONLY RELEVANT IF USING THE bt0/3.3v JUMPER (NOT RECOMMENDED)
+# The first time the board is booted after the jumper has been installed
+# the board needs to be flashed via the dfu vendor:device id. After that
+# it can be flashed via the /dev/mellow-super-8-pro path, but it then fails
+# to exit dfu mode, and then one needs to flash it yet again with the
+# vendor:device id. Then it correctly exits DFU mode. Except those times
+# where it doesn't, for that we have a 3rd pass...
+
+if [ "$EUID" -ne 0 ]
+ then echo "ERROR: Please run as root"
+ exit
+fi
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+"$SCRIPT_DIR"/compile.sh
+"$SCRIPT_DIR"/flash.sh
diff --git a/boards/mellow-super-8-pro-h723/manual.pdf b/boards/mellow-super-8-pro-h723/manual.pdf
new file mode 100644
index 00000000..8b137891
Binary files /dev/null and b/boards/mellow-super-8-pro-h723/manual.pdf differ
diff --git a/boards/mellow-super-8-pro-h723/wiring.drawio.svg b/boards/mellow-super-8-pro-h723/wiring.drawio.svg
new file mode 100644
index 00000000..0c956492
--- /dev/null
+++ b/boards/mellow-super-8-pro-h723/wiring.drawio.svg
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file