diff --git a/src/main/target/FRSKYF405/CMakeLists.txt b/src/main/target/FRSKYF405/CMakeLists.txt
new file mode 100644
index 00000000000..fc8eb478bcc
--- /dev/null
+++ b/src/main/target/FRSKYF405/CMakeLists.txt
@@ -0,0 +1 @@
+target_stm32f405xg(FRSKYF405)
diff --git a/src/main/target/FRSKYF405/target.c b/src/main/target/FRSKYF405/target.c
new file mode 100644
index 00000000000..0708a3981e4
--- /dev/null
+++ b/src/main/target/FRSKYF405/target.c
@@ -0,0 +1,39 @@
+/*
+ * This file is part of INAV.
+ *
+ * INAV 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.
+ *
+ * INAV 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 INAV. If not, see .
+ */
+
+#include
+
+#include "platform.h"
+#include "drivers/io.h"
+#include "drivers/pwm_mapping.h"
+#include "drivers/timer.h"
+
+timerHardware_t timerHardware[] = {
+ DEF_TIM(TIM4, CH2, PB7, TIM_USE_OUTPUT_AUTO, 0, 0), // S1
+ DEF_TIM(TIM4, CH1, PB6, TIM_USE_OUTPUT_AUTO, 0, 0), // S2
+ DEF_TIM(TIM3, CH3, PB0, TIM_USE_OUTPUT_AUTO, 0, 0), // S3
+ DEF_TIM(TIM3, CH4, PB1, TIM_USE_OUTPUT_AUTO, 0, 0), // S4
+ DEF_TIM(TIM8, CH3, PC8, TIM_USE_OUTPUT_AUTO, 0, 1), // S5
+ DEF_TIM(TIM8, CH4, PC9, TIM_USE_OUTPUT_AUTO, 0, 0), // S6
+ DEF_TIM(TIM12, CH1, PB14, TIM_USE_OUTPUT_AUTO, 0, 0), // S7 - no DShot (TIM12 has no DMA)
+ DEF_TIM(TIM12, CH2, PB15, TIM_USE_OUTPUT_AUTO, 0, 0), // S8 - no DShot (TIM12 has no DMA)
+ DEF_TIM(TIM1, CH1, PA8, TIM_USE_OUTPUT_AUTO, 0, 0), // S9
+
+ DEF_TIM(TIM2, CH1, PA15, TIM_USE_LED, 0, 0), // LED strip
+};
+
+const int timerHardwareCount = sizeof(timerHardware) / sizeof(timerHardware[0]);
diff --git a/src/main/target/FRSKYF405/target.h b/src/main/target/FRSKYF405/target.h
new file mode 100644
index 00000000000..146519a99b8
--- /dev/null
+++ b/src/main/target/FRSKYF405/target.h
@@ -0,0 +1,163 @@
+/*
+ * This file is part of INAV.
+ *
+ * INAV 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.
+ *
+ * INAV 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 INAV. If not, see .
+ */
+
+#pragma once
+
+#define TARGET_BOARD_IDENTIFIER "FRF4"
+
+#define USBD_PRODUCT_STRING "FrSkyF405"
+
+// *************** LED & BEEPER **********************
+#define LED0 PA14 // shares SWCLK
+#define LED1 PA13 // shares SWDIO
+
+#define BEEPER PC15
+#define BEEPER_INVERTED
+
+// *************** Gyro & ACC **********************
+#define USE_SPI
+#define USE_SPI_DEVICE_1
+
+#define SPI1_SCK_PIN PA5
+#define SPI1_MISO_PIN PA6
+#define SPI1_MOSI_PIN PA7
+
+// IIM-42688P is compatible with ICM42605 driver
+#define USE_IMU_ICM42605
+#define ICM42605_CS_PIN PA4
+#define ICM42605_SPI_BUS BUS_SPI1
+#define IMU_ICM42605_ALIGN CW0_DEG
+
+
+// *************** OSD *****************************
+#define USE_SPI_DEVICE_2
+#define SPI2_SCK_PIN PB13
+#define SPI2_MISO_PIN PC2
+#define SPI2_MOSI_PIN PC3
+
+#define USE_MAX7456
+#define MAX7456_SPI_BUS BUS_SPI2
+#define MAX7456_CS_PIN PB12
+
+// *************** SD Card *************************
+#define USE_SPI_DEVICE_3
+#define SPI3_SCK_PIN PB3
+#define SPI3_MISO_PIN PB4
+#define SPI3_MOSI_PIN PB5
+
+#define USE_SDCARD
+#define USE_SDCARD_SPI
+#define SDCARD_SPI_BUS BUS_SPI3
+#define SDCARD_CS_PIN PC14
+
+#define ENABLE_BLACKBOX_LOGGING_ON_SDCARD_BY_DEFAULT
+
+// *************** UART *****************************
+#define USE_VCP
+
+#define USE_UART1
+#define UART1_TX_PIN PA9
+#define UART1_RX_PIN PA10
+
+#define USE_UART2
+#define UART2_TX_PIN PA2
+#define UART2_RX_PIN PA3
+
+// UART2 has two pads: standard (for CRSF etc) and hardware-inverted SBUS
+#define SERIALRX_UART SERIAL_PORT_USART2
+#define SERIALRX_PROVIDER SERIALRX_SBUS
+#define DEFAULT_RX_TYPE RX_TYPE_SERIAL
+
+#define USE_UART3
+#define UART3_TX_PIN PC10
+#define UART3_RX_PIN PC11
+
+#define USE_UART4
+#define UART4_TX_PIN PA0
+#define UART4_RX_PIN PA1
+
+
+#define USE_UART5
+#define UART5_TX_PIN PC12
+#define UART5_RX_PIN PD2
+
+#define USE_UART6
+#define UART6_TX_PIN PC6
+#define UART6_RX_PIN PC7
+
+#define SERIAL_PORT_COUNT 7 // VCP + UART1-5, UART6
+
+// *************** I2C ****************************
+#define USE_I2C
+
+#define USE_I2C_DEVICE_1
+#define I2C1_SCL PB8
+#define I2C1_SDA PB9
+
+#define USE_I2C_DEVICE_2
+#define I2C2_SCL PB10
+#define I2C2_SDA PB11
+
+#define DEFAULT_I2C_BUS BUS_I2C1
+
+#define USE_BARO
+#define BARO_I2C_BUS BUS_I2C1
+#define USE_BARO_SPL06
+
+#define USE_MAG
+#define MAG_I2C_BUS DEFAULT_I2C_BUS
+#define USE_MAG_ALL
+
+#define PITOT_I2C_BUS DEFAULT_I2C_BUS
+#define TEMPERATURE_I2C_BUS DEFAULT_I2C_BUS
+#define USE_RANGEFINDER
+#define RANGEFINDER_I2C_BUS DEFAULT_I2C_BUS
+
+// *************** ADC *****************************
+#define USE_ADC
+#define ADC_INSTANCE ADC1
+#define ADC1_DMA_STREAM DMA2_Stream0
+
+#define ADC_CHANNEL_1_PIN PC0
+#define ADC_CHANNEL_2_PIN PC1
+#define ADC_CHANNEL_3_PIN PC5
+
+#define VBAT_ADC_CHANNEL ADC_CHN_1
+#define CURRENT_METER_ADC_CHANNEL ADC_CHN_2
+#define RSSI_ADC_CHANNEL ADC_CHN_3
+
+#define CURRENT_METER_SCALE 250
+
+#define DEFAULT_FEATURES (FEATURE_OSD | FEATURE_CURRENT_METER | FEATURE_VBAT | FEATURE_TELEMETRY | FEATURE_BLACKBOX)
+
+// *************** LED STRIP ***********************
+#define USE_LED_STRIP
+#define WS2811_PIN PA15
+
+// *************** PWM OUTPUTS *********************
+// S7/S8 on TIM12 do not support DShot
+#define MAX_PWM_OUTPUT_PORTS 9
+
+// *************** Other ***************************
+#define USE_DSHOT
+#define USE_ESC_SENSOR
+#define USE_SERIAL_4WAY_BLHELI_INTERFACE
+
+#define TARGET_IO_PORTA 0xffff
+#define TARGET_IO_PORTB 0xffff
+#define TARGET_IO_PORTC 0xffff
+#define TARGET_IO_PORTD (BIT(2)) // PD2 - UART5_RX