diff --git a/README.md b/README.md
index 12f875252f..db8e764b7f 100644
--- a/README.md
+++ b/README.md
@@ -296,6 +296,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
| :green_heart: | STM32G030C6
STM32G030C8 | Generic Board | *2.2.0* |
| :green_heart: | STM32G030F6
STM32G030F6 | Generic Board | *2.2.0* |
| :green_heart: | STM32G030K8 | [Aurora One](https://www.bfy.kr/aurora-one/) | *2.0.0* |
+| :yellow_heart: | STM32G071CB | [AGAFIA SG0](https://www.sigmaic.com/store/p7/agafia-sgo.html) | **2.3.0** |
| :green_heart: | STM32G030K6
STM32G030K8 | Generic Board | *2.0.0* | |
| :green_heart: | STM32G031J4
STM32G031J6 | Generic Board | *2.0.0* | |
| :yellow_heart: | STM32G031F4
STM32G031F6
STM32G031F8 | Generic Board | **2.3.0** | |
diff --git a/boards.txt b/boards.txt
index 55f3dae41f..ea03ef70e1 100644
--- a/boards.txt
+++ b/boards.txt
@@ -3181,6 +3181,15 @@ GenG0.build.series=STM32G0xx
GenG0.build.cmsis_lib_gcc=arm_cortexM0l_math
GenG0.build.extra_flags=-D{build.product_line} {build.enable_usb} {build.xSerial} -D__CORTEX_SC=0
+# AGAFIA SG0
+GenG0.menu.pnum.AGAFIA_SG0=AGAFIA SG0
+GenG0.menu.pnum.AGAFIA_SG0.upload.maximum_size=131072
+GenG0.menu.pnum.AGAFIA_SG0.upload.maximum_data_size=36864
+GenG0.menu.pnum.AGAFIA_SG0.build.board=AGAFIA_SG0
+GenG0.menu.pnum.AGAFIA_SG0.build.product_line=STM32G071xx
+GenG0.menu.pnum.AGAFIA_SG0.build.variant=STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)
+GenG0.menu.pnum.AGAFIA_SG0.build.variant_h=variant_{build.board}.h
+
# Aurora One G030K8
GenG0.menu.pnum.AURORA_ONE=Aurora One
GenG0.menu.pnum.AURORA_ONE.upload.maximum_size=65536
diff --git a/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/ldscript.ld b/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/ldscript.ld
new file mode 100644
index 0000000000..87b10ec6f3
--- /dev/null
+++ b/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/ldscript.ld
@@ -0,0 +1,185 @@
+/*
+******************************************************************************
+**
+** @file : LinkerScript.ld
+**
+** @author : Auto-generated by STM32CubeIDE
+**
+** @brief : Linker script for STM32G071CBTx Device from STM32G0 series
+** 128Kbytes FLASH
+** 36Kbytes RAM
+**
+** Set heap size, stack size and stack location according
+** to application requirements.
+**
+** Set memory bank area and size if external memory is used
+**
+** Target : STMicroelectronics STM32
+**
+** Distribution: The file is distributed as is, without any warranty
+** of any kind.
+**
+******************************************************************************
+** @attention
+**
+** Copyright (c) 2022 STMicroelectronics.
+** All rights reserved.
+**
+** This software is licensed under terms that can be found in the LICENSE file
+** in the root directory of this software component.
+** If no LICENSE file comes with this software, it is provided AS-IS.
+**
+******************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory */
+
+_Min_Heap_Size = 0x200; /* required amount of heap */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
+/* Memories definition */
+MEMORY
+{
+ RAM (xrw) : ORIGIN = 0x20000000, LENGTH = LD_MAX_DATA_SIZE
+ FLASH (rx) : ORIGIN = 0x8000000 + LD_FLASH_OFFSET, LENGTH = LD_MAX_SIZE - LD_FLASH_OFFSET
+}
+
+/* Sections */
+SECTIONS
+{
+ /* The startup code into "FLASH" Rom type memory */
+ .isr_vector :
+ {
+ . = ALIGN(4);
+ KEEP(*(.isr_vector)) /* Startup code */
+ . = ALIGN(4);
+ } >FLASH
+
+ /* The program code and other data into "FLASH" Rom type memory */
+ .text :
+ {
+ . = ALIGN(4);
+ *(.text) /* .text sections (code) */
+ *(.text*) /* .text* sections (code) */
+ *(.glue_7) /* glue arm to thumb code */
+ *(.glue_7t) /* glue thumb to arm code */
+ *(.eh_frame)
+
+ KEEP (*(.init))
+ KEEP (*(.fini))
+
+ . = ALIGN(4);
+ _etext = .; /* define a global symbols at end of code */
+ } >FLASH
+
+ /* Constant data into "FLASH" Rom type memory */
+ .rodata :
+ {
+ . = ALIGN(4);
+ *(.rodata) /* .rodata sections (constants, strings, etc.) */
+ *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM.extab : {
+ . = ALIGN(4);
+ *(.ARM.extab* .gnu.linkonce.armextab.*)
+ . = ALIGN(4);
+ } >FLASH
+
+ .ARM : {
+ . = ALIGN(4);
+ __exidx_start = .;
+ *(.ARM.exidx*)
+ __exidx_end = .;
+ . = ALIGN(4);
+ } >FLASH
+
+ .preinit_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__preinit_array_start = .);
+ KEEP (*(.preinit_array*))
+ PROVIDE_HIDDEN (__preinit_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ .init_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__init_array_start = .);
+ KEEP (*(SORT(.init_array.*)))
+ KEEP (*(.init_array*))
+ PROVIDE_HIDDEN (__init_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ .fini_array :
+ {
+ . = ALIGN(4);
+ PROVIDE_HIDDEN (__fini_array_start = .);
+ KEEP (*(SORT(.fini_array.*)))
+ KEEP (*(.fini_array*))
+ PROVIDE_HIDDEN (__fini_array_end = .);
+ . = ALIGN(4);
+ } >FLASH
+
+ /* Used by the startup to initialize data */
+ _sidata = LOADADDR(.data);
+
+ /* Initialized data sections into "RAM" Ram type memory */
+ .data :
+ {
+ . = ALIGN(4);
+ _sdata = .; /* create a global symbol at data start */
+ *(.data) /* .data sections */
+ *(.data*) /* .data* sections */
+ *(.RamFunc) /* .RamFunc sections */
+ *(.RamFunc*) /* .RamFunc* sections */
+
+ . = ALIGN(4);
+ _edata = .; /* define a global symbol at data end */
+
+ } >RAM AT> FLASH
+
+ /* Uninitialized data section into "RAM" Ram type memory */
+ . = ALIGN(4);
+ .bss :
+ {
+ /* This is used by the startup in order to initialize the .bss section */
+ _sbss = .; /* define a global symbol at bss start */
+ __bss_start__ = _sbss;
+ *(.bss)
+ *(.bss*)
+ *(COMMON)
+
+ . = ALIGN(4);
+ _ebss = .; /* define a global symbol at bss end */
+ __bss_end__ = _ebss;
+ } >RAM
+
+ /* User_heap_stack section, used to check that there is enough "RAM" Ram type memory left */
+ ._user_heap_stack :
+ {
+ . = ALIGN(8);
+ PROVIDE ( end = . );
+ PROVIDE ( _end = . );
+ . = . + _Min_Heap_Size;
+ . = . + _Min_Stack_Size;
+ . = ALIGN(8);
+ } >RAM
+
+ /* Remove information from the compiler libraries */
+ /DISCARD/ :
+ {
+ libc.a ( * )
+ libm.a ( * )
+ libgcc.a ( * )
+ }
+
+ .ARM.attributes 0 : { *(.ARM.attributes) }
+}
diff --git a/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/variant_AGAFIA_SG0.cpp b/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/variant_AGAFIA_SG0.cpp
new file mode 100644
index 0000000000..6e79b3e3c2
--- /dev/null
+++ b/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/variant_AGAFIA_SG0.cpp
@@ -0,0 +1,164 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2019, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+
+#if defined(ARDUINO_AGAFIA_SG0)
+#include "pins_arduino.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Pin number
+const PinName digitalPin[] = {
+ PA_10, // D0
+ PA_9, // D1
+ PA_12, // D2
+ PC_6, // D3 - SPI_CLK
+ PB_15, // D4
+ PB_14, // D5
+ PA_8, // D6
+ PB_13, // D7
+ PC_7, // D8
+ PB_3, // D9
+ PB_0, // D10 - SPI_CS
+ PA_7, // D11 - SPI_MOSI
+ PA_6, // D12 - PI_MISO
+ PA_5, // D13 - SPI_CLK
+ PB_9, // D14
+ PB_8, // D15
+
+ PA_3, // D16
+ PA_2, // D17
+ PA_0, // D18
+ PA_1, // D19
+
+ PA_11, // D20
+ PA_15, // D21
+ PD_0, // D22
+ PD_1, // D23
+ PD_2, // D24
+ PD_3, // D25
+ PD_4, // D26
+ PB_4, // D27
+ PB_5, // D28
+ PB_6, // D29
+ PB_7, // D30
+
+ PA_14, // D31
+ PA_13, // D32
+
+ PF_0, // D33
+ PF_1, // D34
+ PC_13, // D35
+
+ PA_4, // D36/A0 - DAC1
+ PB_12, // D37/A1
+ PB_11, // D38/A2
+ PB_10, // D39/A3
+ PB_2, // D40/A4
+ PB_1 // D41/A5
+};
+
+// Analog (Ax) pin number array
+const uint32_t analogInputPin[] = {
+ 36, // A0, PA4
+ 37, // A1, PB12
+ 38, // A2, PB11
+ 39, // A3, PB10
+ 40, // A4, PB2
+ 41, // A5, PB1
+};
+
+
+#ifdef __cplusplus
+}
+#endif
+
+// ----------------------------------------------------------------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief System Clock Configuration
+ * The system Clock is configured as follows :
+ * System Clock source = PLL (HSI)
+ * SYSCLK(Hz) = 64000000
+ * HCLK(Hz) = 64000000
+ * AHB Prescaler = 1
+ * APB1 Prescaler = 1
+ * MSI Frequency(Hz) = 16000000
+ * PLL_M = 1
+ * PLL_N = 8
+ * PLL_R = 2
+ * PLL_P = 2
+ * PLL_Q = 2
+ * Flash Latency(WS) = 2
+ * @param None
+ * @retval None
+ */
+WEAK void SystemClock_Config(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+
+ /* Configure the main internal regulator output voltage */
+ HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
+ /* Initializes the CPU, AHB and APB busses clocks */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
+ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
+ RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
+ RCC_OscInitStruct.PLL.PLLN = 8;
+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
+ RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
+ RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
+ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+ Error_Handler();
+ }
+ /* Initializes the CPU, AHB and APB busses clocks */
+ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
+ | RCC_CLOCKTYPE_PCLK1;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+ Error_Handler();
+ }
+}
+#ifdef __cplusplus
+}
+#endif
+#endif /* ARDUINO_AGAFIA_SG0 */
diff --git a/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/variant_AGAFIA_SG0.h b/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/variant_AGAFIA_SG0.h
new file mode 100644
index 0000000000..5e7262e257
--- /dev/null
+++ b/variants/STM32G0xx/G071C(6-8-B)(T-U)_G081CB(T-U)/variant_AGAFIA_SG0.h
@@ -0,0 +1,186 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2019, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+
+#pragma once
+
+/*----------------------------------------------------------------------------
+ * Pins
+ *----------------------------------------------------------------------------*/
+
+#define PA10 0 // UART1_RX
+#define PA9 1 // UART1_TX
+#define PA12 2
+#define PC6 3
+#define PB15 4
+#define PB14 5
+#define PA8 6
+#define PB13 7
+#define PC7 8
+#define PB3 9
+#define PB0 10 // SPI_CS
+#define PA7 11 // SPI_MOSI
+#define PA6 12 // SPI_MISO
+#define PA5 13 // SPI_CLK
+#define PB9 14 // SDA
+#define PB8 15 // SCL
+
+//SERIAL PINS
+#define PA3 16
+#define PA2 17
+#define PA0 18
+#define PA1 19
+
+//TOP PIN CONN
+#define PA11 20
+#define PA15 21
+#define PD0 22
+#define PD1 23
+#define PD2 24
+#define PD3 25
+#define PD4 26
+#define PB4 27
+#define PB5 28
+#define PB6 29
+#define PB7 30
+
+#define PA14 31 //SCK-BOOT0
+#define PA13 32 //SWDIO
+
+#define PF0 33 //LED3
+#define PF1 34 //LED2
+#define PC13 35 //LED1
+
+#define PA4 PIN_A0 // A0
+#define PB12 PIN_A1 // A1
+#define PB11 PIN_A2 // A2
+#define PB10 PIN_A3 // A3
+#define PB2 PIN_A4 // A4
+#define PB1 PIN_A5 // A5
+
+// Alternate pins number
+#define PA1_ALT1 (PA1 | ALT1)
+#define PA2_ALT1 (PA2 | ALT1)
+#define PA3_ALT1 (PA3 | ALT1)
+#define PA6_ALT1 (PA6 | ALT1)
+#define PA7_ALT1 (PA7 | ALT1)
+#define PA7_ALT2 (PA7 | ALT2)
+#define PA7_ALT3 (PA7 | ALT3)
+#define PA15_ALT1 (PA15 | ALT1)
+#define PB0_ALT1 (PB0 | ALT1)
+#define PB1_ALT1 (PB1 | ALT1)
+#define PB1_ALT2 (PB1 | ALT2)
+#define PB3_ALT1 (PB3 | ALT1)
+#define PB6_ALT1 (PB6 | ALT1)
+#define PB13_ALT1 (PB13 | ALT1)
+#define PB14_ALT1 (PB14 | ALT1)
+#define PB15_ALT1 (PB15 | ALT1)
+#define PB15_ALT2 (PB15 | ALT2)
+#define PC6_ALT1 (PC6 | ALT1)
+#define PC7_ALT1 (PC7 | ALT1)
+
+#define NUM_DIGITAL_PINS 42
+#define NUM_ANALOG_INPUTS 6
+
+
+// On-board LED pin number
+#ifndef LED_BUILTIN
+ #define LED_BUILTIN PC13
+#endif
+#define LED1 LED_BUILTIN
+#define LED2 PF0
+#define LED3 PF1
+
+
+// SPI Definitions
+#define PIN_SPI_SS PB0
+#define PIN_SPI_MOSI PA7
+#define PIN_SPI_MISO PA6
+#define PIN_SPI_SCK PA5
+
+// I2C Definitions
+#define PIN_WIRE_SDA PB9
+#define PIN_WIRE_SCL PB8
+
+// Timer Definitions
+// Use TIM6/TIM7 when possible as servo and tone don't need GPIO output pin
+#ifndef TIMER_TONE
+ #define TIMER_TONE TIM6
+#endif
+#ifndef TIMER_SERVO
+ #define TIMER_SERVO TIM7
+#endif
+
+#define PIN_DAC1 PA4
+#define PIN_DAC2 PA5
+
+// UART Definitions
+#ifndef SERIAL_UART_INSTANCE
+ #define SERIAL_UART_INSTANCE 101 //Connected to ST-Link
+#endif
+
+// Default pin used for 'Serial' instance (ex: ST-Link)
+// Mandatory for Firmata
+#ifndef PIN_SERIAL_RX
+ #define PIN_SERIAL_RX PA3
+#endif
+#ifndef PIN_SERIAL_TX
+ #define PIN_SERIAL_TX PA2
+#endif
+
+// Extra HAL modules
+#if !defined(HAL_DAC_MODULE_DISABLED)
+ #define HAL_DAC_MODULE_ENABLED
+#endif
+
+
+/*----------------------------------------------------------------------------
+ * Arduino objects - C++ only
+ *----------------------------------------------------------------------------*/
+
+#ifdef __cplusplus
+ // These serial port names are intended to allow libraries and architecture-neutral
+ // sketches to automatically default to the correct port name for a particular type
+ // of use. For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
+ // the first hardware serial port whose RX/TX pins are not dedicated to another use.
+ //
+ // SERIAL_PORT_MONITOR Port which normally prints to the Arduino Serial Monitor
+ //
+ // SERIAL_PORT_USBVIRTUAL Port which is USB virtual serial
+ //
+ // SERIAL_PORT_LINUXBRIDGE Port which connects to a Linux system via Bridge library
+ //
+ // SERIAL_PORT_HARDWARE Hardware serial port, physical RX & TX pins.
+ //
+ // SERIAL_PORT_HARDWARE_OPEN Hardware serial ports which are open for use. Their RX & TX
+ // pins are NOT connected to anything by default.
+ #define SERIAL_PORT_MONITOR Serial
+ #define SERIAL_PORT_HARDWARE SerialLP1
+#endif
+