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diff --git a/Marlin/src/pins/lpc1768/pins_BIQU_B300_V1.0.h b/Marlin/src/pins/lpc1768/pins_BIQU_B300_V1.0.h
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+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * BIQU BQ111-A4
+ *
+ * Applies to the following boards:
+ *
+ *  BOARD_BIQU_BQ111_A4 (Hotend, Fan, Bed)
+ */
+
+#if NOT_TARGET(MCU_LPC1768)
+  #error "Oops! Make sure you have the LPC1768 environment selected in your IDE."
+#endif
+
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME "BIQU Thunder B300 V1.0"
+#endif
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN                          P1_24  // 10k pullup to 3.3V, 1K series
+#define X_MAX_PIN                          P1_25  // 10k pullup to 3.3V, 1K series
+#define Y_MIN_PIN                          P1_26  // 10k pullup to 3.3V, 1K series
+#define Y_MAX_PIN                          P1_27  // 10k pullup to 3.3V, 1K series
+#define Z_MIN_PIN                          P1_28  // 10k pullup to 3.3V, 1K series
+#define Z_MAX_PIN                          P1_29  // 10k pullup to 3.3V, 1K series
+
+//
+// Steppers
+//
+#define X_STEP_PIN                         P2_00
+#define X_DIR_PIN                          P0_05
+#define X_ENABLE_PIN                       P0_04
+#ifndef X_CS_PIN
+  #define X_CS_PIN                         P1_15  // ETH
+#endif
+
+#define Y_STEP_PIN                         P2_01
+#define Y_DIR_PIN                          P0_11
+#define Y_ENABLE_PIN                       P0_10
+#ifndef Y_CS_PIN
+  #define Y_CS_PIN                         P1_14  // ETH
+#endif
+
+#define Z_STEP_PIN                         P2_02
+#define Z_DIR_PIN                          P0_20
+#define Z_ENABLE_PIN                       P0_19
+#ifndef Z_CS_PIN
+  #define Z_CS_PIN                         P1_16  // ETH
+#endif
+
+#define E0_STEP_PIN                        P2_03
+#define E0_DIR_PIN                         P0_22
+#define E0_ENABLE_PIN                      P0_21
+#ifndef E0_CS_PIN
+  #define E0_CS_PIN                        P1_17  // ETH
+#endif
+
+//
+// Software SPI pins for TMC2130 stepper drivers
+//
+#if ENABLED(TMC_USE_SW_SPI)
+  #ifndef TMC_SW_MOSI
+    #define TMC_SW_MOSI                    P0_18  // ETH
+  #endif
+  #ifndef TMC_SW_MISO
+    #define TMC_SW_MISO                    P0_17  // ETH
+  #endif
+  #ifndef TMC_SW_SCK
+    #define TMC_SW_SCK                     P0_15  // ETH
+  #endif
+#endif
+
+//
+// Temperature Sensors
+//  3.3V max when defined as an analog input
+//
+#define TEMP_0_PIN                      P0_24_A1  // A0 (T0)
+#define TEMP_BED_PIN                    P0_23_A0  // A1 (T1)
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN                       P2_07
+#define HEATER_BED_PIN                     P2_05
+#ifndef FAN_PIN
+  #define FAN_PIN                          P2_04
+#endif
+
+//
+// Unused
+//
+//#define PIN_P2_10                        P2_10  // IBOOT-1
+//#define PIN_P0_27                        P0_27  // Onboard SD Detect
+
+/**
+ * LCD / Controller
+ *
+ * REPRAP_DISCOUNT_SMART_CONTROLLER is not supported due to the lack of LCD_PINS_D5,
+ * LCD_PINS_D6 or LCD_PINS_D7 in the EXP1 connector.
+ *
+ * A remote SD card is not supported as the pins routed to EXP2 are the same as used
+ * for the onboard SD card, and a chip select signal is not provided for the remote
+ * SD card.
+ */
+#if HAS_WIRED_LCD
+
+  #define BEEPER_PIN                       P1_31  // EXP1-1
+
+  #define BTN_EN1                          P3_26  // EXP2-3
+  #define BTN_EN2                          P3_25  // EXP2-5
+  #define BTN_ENC                          P1_30  // EXP1-2
+
+  #define SD_DETECT_PIN                    P0_27  // EXP2-7
+  #define LCD_PINS_RS                      P0_16  // EXP1-4
+  #define LCD_PINS_ENABLE                  P0_18  // (MOSI) EXP1-3
+  #define LCD_PINS_D4                      P0_15  // (SCK)  EXP1-5
+
+  #if BOTH(HAS_MARLINUI_HD44780, IS_RRD_SC)
+    #error "REPRAP_DISCOUNT_SMART_CONTROLLER displays aren't supported by the BIQU B300 v1.0"
+  #endif
+
+  #if ENABLED(SDSUPPORT)
+    #error "SDSUPPORT is not supported by the BIQU B300 v1.0 when an LCD controller is used"
+  #endif
+
+#endif // HAS_WIRED_LCD
+
+/**
+ * SD Card Reader
+ *
+ * Software SPI is used to interface with a stand-alone SD card reader connected to EXP1.
+ * Hardware SPI can't be used because P0_17 (MISO) is not brought out on this board.
+ */
+#if ENABLED(SDSUPPORT)
+  #define SD_SCK_PIN                       P0_15  // EXP1-5
+  #define SD_MISO_PIN                      P0_16  // EXP1-4
+  #define SD_MOSI_PIN                      P0_18  // EXP1-3
+  #define SD_SS_PIN                        P1_30  // EXP1-2
+  #define SDSS                         SD_SS_PIN
+#endif
+
+/**
+ *  PWMS
+ *
+ *  There are 6 PWMS.  Each PWM can be assigned to one of two pins.
+ *
+ *  PWM1.1   P0_18   LCD_PINS_ENABLE
+ *  PWM1.1   P2_0    X_STEP_PIN
+ *  PWM1.2   P1_20   <none>
+ *  PWM1.2   P2_1    Y_STEP_PIN
+ *  PWM1.3   P1_21   <none>
+ *  PWM1.3   P2_2    Z_STEP_PIN
+ *  PWM1.4   P1_23   <none>
+ *  PWM1.4   P2_3    E0_STEP_PIN
+ *  PWM1.5   P1_24   X_MIN_PIN
+ *  PWM1.5   P2_4    FAN_PIN
+ *  PWM1.6   P1_26   Y_MIN_PIN
+ *  PWM1.6   P2_5    HEATER_BED_PIN
+ */