diff --git a/YD-PYBV11/mpconfigboard.h b/YD-PYBV11/mpconfigboard.h
new file mode 100644
index 0000000..ab5a2bd
--- /dev/null
+++ b/YD-PYBV11/mpconfigboard.h
@@ -0,0 +1,113 @@
+#define MICROPY_HW_BOARD_NAME       "YD-Pyboard V3.0-MPY-1.21.1-2"
+#define MICROPY_HW_MCU_NAME         "STM32F405RG"
+
+#define MICROPY_HW_HAS_SWITCH       (1)
+#define MICROPY_HW_HAS_FLASH        (1)
+#define MICROPY_HW_HAS_KXTJ3        (1)
+#define MICROPY_HW_HAS_LCD          (1)
+#define MICROPY_HW_ENABLE_RNG       (1)
+#define MICROPY_HW_ENABLE_RTC       (1)
+#define MICROPY_HW_ENABLE_SERVO     (1)
+#define MICROPY_HW_ENABLE_DAC       (1)
+#define MICROPY_HW_ENABLE_USB       (1)
+#define MICROPY_HW_ENABLE_SDCARD    (1)
+
+#define MICROPY_PY_THREAD           (1)
+
+// HSE is 12MHz
+#define MICROPY_HW_CLK_PLLM (12)
+#define MICROPY_HW_CLK_PLLN (336)
+#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
+#define MICROPY_HW_CLK_PLLQ (7)
+#define MICROPY_HW_CLK_LAST_FREQ (1)
+
+// The pyboard has a 32kHz crystal for the RTC
+#define MICROPY_HW_RTC_USE_LSE      (1)
+#define MICROPY_HW_RTC_USE_US       (0)
+#define MICROPY_HW_RTC_USE_CALOUT   (1)
+
+// UART config
+#define MICROPY_HW_UART1_NAME   "XB"
+#define MICROPY_HW_UART1_TX     (pin_B6)
+#define MICROPY_HW_UART1_RX     (pin_B7)
+#define MICROPY_HW_UART2_TX     (pin_A2)
+#define MICROPY_HW_UART2_RX     (pin_A3)
+#define MICROPY_HW_UART2_RTS    (pin_A1)
+#define MICROPY_HW_UART2_CTS    (pin_A0)
+#define MICROPY_HW_UART3_NAME   "YB"
+#define MICROPY_HW_UART3_TX     (pin_B10)
+#define MICROPY_HW_UART3_RX     (pin_B11)
+#define MICROPY_HW_UART3_RTS    (pin_B14)
+#define MICROPY_HW_UART3_CTS    (pin_B13)
+#define MICROPY_HW_UART4_NAME   "XA"
+#define MICROPY_HW_UART4_TX     (pin_A0)
+#define MICROPY_HW_UART4_RX     (pin_A1)
+#define MICROPY_HW_UART6_NAME   "YA"
+#define MICROPY_HW_UART6_TX     (pin_C6)
+#define MICROPY_HW_UART6_RX     (pin_C7)
+
+// I2C buses
+#define MICROPY_HW_I2C1_NAME "X"
+#define MICROPY_HW_I2C1_SCL (pin_B6)
+#define MICROPY_HW_I2C1_SDA (pin_B7)
+#define MICROPY_HW_I2C2_NAME "Y"
+#define MICROPY_HW_I2C2_SCL (pin_B10)
+#define MICROPY_HW_I2C2_SDA (pin_B11)
+
+// SPI buses
+#define MICROPY_HW_SPI1_NAME "X"
+#define MICROPY_HW_SPI1_NSS  (pin_A4) // X5
+#define MICROPY_HW_SPI1_SCK  (pin_A5) // X6
+#define MICROPY_HW_SPI1_MISO (pin_A6) // X7
+#define MICROPY_HW_SPI1_MOSI (pin_A7) // X8
+#define MICROPY_HW_SPI2_NAME "Y"
+#define MICROPY_HW_SPI2_NSS  (pin_B12) // Y5
+#define MICROPY_HW_SPI2_SCK  (pin_B13) // Y6
+#define MICROPY_HW_SPI2_MISO (pin_B14) // Y7
+#define MICROPY_HW_SPI2_MOSI (pin_B15) // Y8
+
+// I2S buses
+#define MICROPY_HW_I2S2      (1)
+
+// CAN buses
+#define MICROPY_HW_CAN1_NAME "YA"
+#define MICROPY_HW_CAN1_TX   (pin_B9) // Y4
+#define MICROPY_HW_CAN1_RX   (pin_B8) // Y3
+#define MICROPY_HW_CAN2_NAME "YB"
+#define MICROPY_HW_CAN2_TX   (pin_B13) // Y6
+#define MICROPY_HW_CAN2_RX   (pin_B12) // Y5
+
+// USRSW has no pullup or pulldown, and pressing the switch makes the input go low
+#define MICROPY_HW_USRSW_PIN        (pin_B3)
+#define MICROPY_HW_USRSW_PULL       (GPIO_PULLUP)
+#define MICROPY_HW_USRSW_EXTI_MODE  (GPIO_MODE_IT_FALLING)
+#define MICROPY_HW_USRSW_PRESSED    (0)
+
+// The pyboard has 4 LEDs
+#define MICROPY_HW_LED1             (pin_A13) // red
+#define MICROPY_HW_LED2             (pin_A14) // green
+#define MICROPY_HW_LED3             (pin_A15) // yellow
+#define MICROPY_HW_LED4             (pin_B4)  // blue
+#define MICROPY_HW_LED3_PWM         { TIM2, 2, TIM_CHANNEL_1, GPIO_AF1_TIM2 }
+#define MICROPY_HW_LED4_PWM         { TIM3, 3, TIM_CHANNEL_1, GPIO_AF2_TIM3 }
+#define MICROPY_HW_LED_ON(pin)      (mp_hal_pin_high(pin))
+#define MICROPY_HW_LED_OFF(pin)     (mp_hal_pin_low(pin))
+
+// SD card detect switch
+#define MICROPY_HW_SDCARD_DETECT_PIN        (pin_A8)
+#define MICROPY_HW_SDCARD_DETECT_PULL       (GPIO_PULLDOWN)
+#define MICROPY_HW_SDCARD_DETECT_PRESENT    (GPIO_PIN_SET)
+
+// USB config
+#define MICROPY_HW_USB_FS              (1)
+#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_A9)
+
+
+// MMA accelerometer config-
+
+
+// Bootloader configuration (only needed if Mboot is used)
+#define MBOOT_I2C_PERIPH_ID 1
+#define MBOOT_I2C_SCL (pin_B8)
+#define MBOOT_I2C_SDA (pin_B9)
+#define MBOOT_I2C_ALTFUNC (4)
diff --git a/YD-PYBV11/mpconfigboard.mk b/YD-PYBV11/mpconfigboard.mk
new file mode 100644
index 0000000..6dcb2fd
--- /dev/null
+++ b/YD-PYBV11/mpconfigboard.mk
@@ -0,0 +1,37 @@
+MCU_SERIES = f4
+CMSIS_MCU = STM32F405xx
+AF_FILE = boards/stm32f405_af.csv
+ifeq ($(USE_MBOOT),1)
+# When using Mboot all the text goes together after the filesystem
+LD_FILES = boards/stm32f405.ld boards/common_blifs.ld
+TEXT0_ADDR = 0x08020000
+else
+# When not using Mboot the ISR text goes first, then the rest after the filesystem
+LD_FILES = boards/stm32f405.ld boards/common_ifs.ld
+TEXT0_ADDR = 0x08000000
+TEXT1_ADDR = 0x08020000
+endif
+
+# MicroPython settings
+MICROPY_VFS_LFS2 = 1
+
+# Provide different variants for the downloads page.
+ifeq ($(BOARD_VARIANT),DP)
+MICROPY_FLOAT_IMPL=double
+endif
+
+ifeq ($(BOARD_VARIANT),THREAD)
+CFLAGS += -DMICROPY_PY_THREAD=1
+endif
+
+ifeq ($(BOARD_VARIANT),DP_THREAD)
+MICROPY_FLOAT_IMPL=double
+CFLAGS += -DMICROPY_PY_THREAD=1
+endif
+
+ifeq ($(BOARD_VARIANT),NETWORK)
+MICROPY_PY_NETWORK_WIZNET5K=5200
+endif
+
+# PYB-specific frozen modules
+FROZEN_MANIFEST ?= boards/PYBV10/manifest.py
diff --git a/YD-PYBV11/pins.csv b/YD-PYBV11/pins.csv
new file mode 100644
index 0000000..8d87aab
--- /dev/null
+++ b/YD-PYBV11/pins.csv
@@ -0,0 +1,103 @@
+X1,PA0
+X2,PA1
+X3,PA2
+X4,PA3
+X5,PA4
+X6,PA5
+X7,PA6
+X8,PA7
+X9,PB6
+X10,PB7
+X11,PC4
+X12,PC5
+X13,Reset
+X14,GND
+X15,3.3V
+X16,VIN
+X17,PB3
+X18,PC13
+X19,PC0
+X20,PC1
+X21,PC2
+X22,PC3
+X23,A3.3V
+X24,AGND
+Y1,PC6
+Y2,PC7
+Y3,PB8
+Y4,PB9
+Y5,PB12
+Y6,PB13
+Y7,PB14
+Y8,PB15
+Y9,PB10
+Y10,PB11
+Y11,PB0
+Y12,PB1
+Y13,Reset
+Y14,GND
+Y15,3.3V
+Y16,VIN
+SW,PB3
+LED_RED,PA13
+LED_GREEN,PA14
+LED_YELLOW,PA15
+LED_BLUE,PB4
+MMA_INT,PB2
+RGB,PB5
+SD_D0,PC8
+SD_D1,PC9
+SD_D2,PC10
+SD_D3,PC11
+SD_CMD,PD2
+SD_CK,PC12
+SD,PA8
+SD_SW,PA8
+USB_VBUS,PA9
+USB_ID,PA10
+USB_DM,PA11
+USB_DP,PA12
+A0,PA0
+A1,PA1
+A2,PA2
+A3,PA3
+A4,PA4
+A5,PA5
+A6,PA6
+A7,PA7
+B6,PB6
+B7,PB7
+C4,PC4
+C5,PC5
+B3,PB3
+C13,PC13
+C0,PC0
+C1,PC1
+C2,PC2
+C3,PC3
+C6,PC6
+C7,PC7
+B8,PB8
+B9,PB9
+B12,PB12
+B13,PB13
+B14,PB14
+B15,PB15
+B10,PB10
+B11,PB11
+B0,PB0
+B1,PB1
+B3,PB3
+A13,PA13
+A14,PA14
+A15,PA15
+B4,PB4
+B2,PB2
+B5,PB5
+C8,PC8
+C9,PC9
+C10,PC10
+C11,PC11
+D2,PD2
+C12,PC12
+A8,PA8
diff --git a/YD-PYBV11/stm32f4xx_hal_conf.h b/YD-PYBV11/stm32f4xx_hal_conf.h
new file mode 100644
index 0000000..7325e42
--- /dev/null
+++ b/YD-PYBV11/stm32f4xx_hal_conf.h
@@ -0,0 +1,15 @@
+#ifndef MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H
+#define MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H
+
+// Oscillator values in Hz
+#define HSE_VALUE (12000000)
+#define LSE_VALUE (32768)
+#define EXTERNAL_CLOCK_VALUE (12288000)
+
+// Oscillator timeouts in ms
+#define HSE_STARTUP_TIMEOUT (100)
+#define LSE_STARTUP_TIMEOUT (5000)
+
+#include "boards/stm32f4xx_hal_conf_base.h"
+
+#endif // MICROPY_INCLUDED_STM32F4XX_HAL_CONF_H