diff --git a/README.md b/README.md
index 07cd09856a..4c397ff2cb 100644
--- a/README.md
+++ b/README.md
@@ -303,6 +303,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
| :green_heart: | STM32F101ZC
STM32F101ZD
STM32F101ZE | Generic Board | *2.4.0* | |
| :green_heart: | STM32F103C6
STM32F103C8
STM32F103CB | [Blue Pill](https://stm32-base.org/boards/STM32F103C8T6-Blue-Pill) | *1.2.0* | USB CDC support since *1.5.0*
Maple bootloaders support since *1.6.0* |
| :green_heart: | STM32F103C8
STM32F103CB | [Black Pill](https://stm32-base.org/boards/STM32F103C8T6-Black-Pill) | *1.5.0* | |
+| :yellow_heart: | STM32F103C8 | [Databoard](https://github.com/its-kronos/Databoard) | **2.12.0** | |
| :green_heart: | STM32F103C4
STM32F103C6
STM32F103C8
STM32F103CB | Generic Board | *1.9.0* | |
| :green_heart: | STM32F103R8
STM32F103RB
STM32F103RC
STM32F103RE | [Blue Button F103Rx](https://stm32-base.org/boards/STM32F103RET6-Generic-Board) | *1.9.0* | |
| :green_heart: | STM32F103R6
STM32F103R8
STM32F103RB
STM32F103RC
STM32F103RD
STM32F103RE
STM32F103RF
STM32F103RG | Generic Board | *1.9.0* | |
diff --git a/boards.txt b/boards.txt
index 70e6ab6f95..efcf5ef431 100644
--- a/boards.txt
+++ b/boards.txt
@@ -2971,6 +2971,16 @@ GenF1.menu.pnum.BLACKPILL_F103CB.build.variant_h=variant_PILL_F103Cx.h
GenF1.menu.pnum.BLACKPILL_F103CB.build.variant=STM32F1xx/F103C8T_F103CB(T-U)
GenF1.menu.pnum.BLACKPILL_F103CB.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32F1xx/STM32F103.svd
+# Databoard board
+GenF1.menu.pnum.DATABOARD=Databoard
+GenF1.menu.pnum.DATABOARD.upload.maximum_size=65536
+GenF1.menu.pnum.DATABOARD.upload.maximum_data_size=20480
+GenF1.menu.pnum.DATABOARD.build.board=DATABOARD
+GenF1.menu.pnum.DATABOARD.build.product_line=STM32F103xB
+GenF1.menu.pnum.DATABOARD.build.variant_h=variant_{build.board}.h
+GenF1.menu.pnum.DATABOARD.build.variant=STM32F1xx/F103C8T_F103CB(T-U)
+GenF1.menu.pnum.DATABOARD.debug.svd_file={runtime.tools.STM32_SVD.path}/svd/STM32F1xx/STM32F103.svd
+
# VCCGND_F103ZET6_MINI board
GenF1.menu.pnum.VCCGND_F103ZET6_MINI=VCCGND F103ZET6 Mini
GenF1.menu.pnum.VCCGND_F103ZET6_MINI.upload.maximum_size=524288
diff --git a/variants/STM32F1xx/F103C8T_F103CB(T-U)/variant_DATABOARD.cpp b/variants/STM32F1xx/F103C8T_F103CB(T-U)/variant_DATABOARD.cpp
new file mode 100644
index 0000000000..b3f6f06765
--- /dev/null
+++ b/variants/STM32F1xx/F103C8T_F103CB(T-U)/variant_DATABOARD.cpp
@@ -0,0 +1,139 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+#if defined(ARDUINO_DATABOARD)
+#include "pins_arduino.h"
+
+// Digital PinName array
+const PinName digitalPin[] = {
+ PA_0, // D0/A0
+ PA_1, // D1/A1
+ PA_2, // D2/A2
+ PA_3, // D3/A3
+ PA_4, // D4/A4
+ PA_5, // D5/A5
+ PA_6, // D6/A6
+ PA_7, // D7/A7
+ PA_8, // D8
+ PA_9, // D9
+ PA_10, // D10
+ PA_11, // D11
+ PA_12, // D12
+ PA_13, // D13
+ PA_14, // D14
+ PA_15, // D15
+ PB_0, // D16/A8
+ PB_1, // D17/A9
+ PB_2, // D18
+ PB_3, // D19
+ PB_4, // D20
+ PB_5, // D21
+ PB_6, // D22
+ PB_7, // D23
+ PB_8, // D24
+ PB_9, // D25
+ PB_10, // D26
+ PB_11, // D27
+ PB_12, // D28
+ PB_13, // D29
+ PB_14, // D30
+ PB_15, // D31
+ PC_13, // D32
+ PC_14, // D33
+ PC_15, // D34
+ PD_0, // D35
+ PD_1 // D36
+};
+
+// Analog (Ax) pin number array
+const uint32_t analogInputPin[] = {
+ 0, // A0, PA0
+ 1, // A1, PA1
+ 2, // A2, PA2
+ 3, // A3, PA3
+ 4, // A4, PA4
+ 5, // A5, PA5
+ 6, // A6, PA6
+ 7, // A7, PA7
+ 16, // A8, PB0
+ 17 // A9, PB1
+};
+
+
+// ----------------------------------------------------------------------------
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief System Clock Configuration
+ * The system Clock is configured as follow :
+ * System Clock source = PLL (HSE)
+ * SYSCLK(Hz) = 72000000
+ * HCLK(Hz) = 72000000
+ * AHB Prescaler = 1
+ * APB1 Prescaler = 2
+ * APB2 Prescaler = 1
+ * PLL_Source = HSE
+ * PLL_Mul = 9
+ * Flash Latency(WS) = 2
+ * ADC Prescaler = 6
+ * USB Prescaler = 1.5
+ * @param None
+ * @retval None
+ */
+WEAK void SystemClock_Config(void)
+{
+ RCC_OscInitTypeDef RCC_OscInitStruct = {};
+ RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
+ RCC_PeriphCLKInitTypeDef PeriphClkInit = {};
+
+ /* Initializes the CPU, AHB and APB busses clocks */
+ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+ RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+ RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV2;
+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
+ RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
+ 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_CLOCKTYPE_PCLK2;
+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
+ RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
+
+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
+ Error_Handler();
+ }
+
+ PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC | RCC_PERIPHCLK_USB;
+ PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
+ PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
+ if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) {
+ Error_Handler();
+ }
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
+#endif /* ARDUINO_DATABOARD */
diff --git a/variants/STM32F1xx/F103C8T_F103CB(T-U)/variant_DATABOARD.h b/variants/STM32F1xx/F103C8T_F103CB(T-U)/variant_DATABOARD.h
new file mode 100644
index 0000000000..0b9e314959
--- /dev/null
+++ b/variants/STM32F1xx/F103C8T_F103CB(T-U)/variant_DATABOARD.h
@@ -0,0 +1,276 @@
+/*
+ *******************************************************************************
+ * Copyright (c) 2020, STMicroelectronics
+ * All rights reserved.
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ *******************************************************************************
+ */
+#pragma once
+
+/*----------------------------------------------------------------------------
+ * STM32 pins number
+ *----------------------------------------------------------------------------*/
+#define PA0 PIN_A0
+#define PA1 PIN_A1
+#define PA2 PIN_A2
+#define PA3 PIN_A3
+#define PA4 PIN_A4
+#define PA5 PIN_A5
+#define PA6 PIN_A6
+#define PA7 PIN_A7
+#define PA8 8
+#define PA9 9
+#define PA10 10
+#define PA11 11
+#define PA12 12
+#define PA13 13
+#define PA14 14
+#define PA15 15
+#define PB0 PIN_A8
+#define PB1 PIN_A9
+#define PB2 18
+#define PB3 19
+#define PB4 20
+#define PB5 21
+#define PB6 22
+#define PB7 23
+#define PB8 24
+#define PB9 25
+#define PB10 26
+#define PB11 27
+#define PB12 28
+#define PB13 29
+#define PB14 30
+#define PB15 31
+#define PC13 32
+#define PC14 33
+#define PC15 34
+#define PD0 35
+#define PD1 36
+
+// Pin Aliases
+
+#define IO1 PA10
+#define GPIO1 PA10
+#define GP1 PA10
+
+#define IO2 PA9
+#define GPIO2 PA9
+#define GP2 PA9
+
+#define IO3 PA8
+#define GPIO3 PA8
+#define GP3 PA8
+
+#define IO4 PB15
+#define GPIO4 PB15
+#define GP4 PB15
+
+#define IO5 PB14
+#define GPIO5 PB14
+#define GP5 PB14
+
+#define IO6 PB13
+#define GPIO6 PB13
+#define GP6 PB13
+
+#define IO7 PB12
+#define GPIO7 PB12
+#define GP7 PB12
+
+#define AIO8 PA7
+#define IO8 PA7
+#define GPIO8 PA7
+#define GP8 PA7
+
+#define AIO9 PA6
+#define IO9 PA6
+#define GPIO9 PA6
+#define GP9 PA6
+
+#define AIO10 PA5
+#define IO10 PA5
+#define GPIO10 PA5
+#define GP10 PA5
+
+#define IO11 PB11
+#define GPIO11 PB11
+#define GP11 PB11
+
+#define IO12 PB10
+#define GPIO12 PB10
+#define GP12 PB10
+
+#define AIO13 PB1
+#define IO13 PB1
+#define GPIO13 PB1
+#define GP13 PB1
+
+#define AIO14 PA4
+#define IO14 PA4
+#define GPIO14 PA4
+#define GP14 PA4
+
+#define AIO15 PA3
+#define IO15 PA3
+#define GPIO15 PA3
+#define GP15 PA3
+
+#define AIO16 PA2
+#define IO16 PA2
+#define GPIO16 PA2
+#define GP16 PA2
+
+#define AIO17 PA1
+#define IO17 PA1
+#define GPIO17 PA1
+#define GP17 PA1
+
+#define AIO18 PA0
+#define IO18 PA0
+#define GPIO18 PA0
+#define GP18 PA0
+
+#define WIFI_EN PB8
+#define WIFI PB8
+#define WIFI_RX PB7
+#define WIFI_TX PB6
+#define WIFI_BOOT PB9
+#define WIFI_BOOT_EN PB9
+#define WIFI_BOOT_UART PB0
+#define WIFI_BOOT_UART_EN PB0
+
+#define MICROSD PB2
+#define MICROSD_EN PB2
+#define MICROSD_MOSI PB5
+#define MICROSD_CLOCK PB3
+#define MICROSD_CLK PB3
+#define MICROSD_MISO PB4
+
+
+
+// Alternate pins number
+#define PA0_ALT1 (PA0 | ALT1)
+#define PA1_ALT1 (PA1 | ALT1)
+#define PA2_ALT1 (PA2 | ALT1)
+#define PA3_ALT1 (PA3 | ALT1)
+#define PA4_ALT1 (PA4 | ALT1)
+#define PA5_ALT1 (PA5 | ALT1)
+#define PA6_ALT1 (PA6 | ALT1)
+#define PA7_ALT1 (PA7 | ALT1)
+#define PA8_ALT1 (PA8 | ALT1)
+#define PA9_ALT1 (PA9 | ALT1)
+#define PA10_ALT1 (PA10 | ALT1)
+#define PA11_ALT1 (PA11 | ALT1)
+#define PA15_ALT1 (PA15 | ALT1)
+#define PB0_ALT1 (PB0 | ALT1)
+#define PB0_ALT2 (PB0 | ALT2)
+#define PB1_ALT1 (PB1 | ALT1)
+#define PB1_ALT2 (PB1 | ALT2)
+#define PB3_ALT1 (PB3 | ALT1)
+#define PB10_ALT1 (PB10 | ALT1)
+#define PB11_ALT1 (PB11 | ALT1)
+#define PB13_ALT1 (PB13 | ALT1)
+#define PB14_ALT1 (PB14 | ALT1)
+
+#define NUM_DIGITAL_PINS 37
+#define NUM_ANALOG_INPUTS 10
+
+// On-board LED pin number
+#ifndef LED_BUILTIN
+ #define LED_BUILTIN PNUM_NOT_DEFINED
+#endif
+
+// On-board user button
+#ifndef USER_BTN
+ #define USER_BTN PNUM_NOT_DEFINED
+#endif
+
+// SPI definitions
+#ifndef PIN_SPI_SS
+ #define PIN_SPI_SS PA4
+#endif
+#ifndef PIN_SPI_SS1
+ #define PIN_SPI_SS1 PA15
+#endif
+#ifndef PIN_SPI_SS2
+ #define PIN_SPI_SS2 PNUM_NOT_DEFINED
+#endif
+#ifndef PIN_SPI_SS3
+ #define PIN_SPI_SS3 PNUM_NOT_DEFINED
+#endif
+#ifndef PIN_SPI_MOSI
+ #define PIN_SPI_MOSI PA7
+#endif
+#ifndef PIN_SPI_MISO
+ #define PIN_SPI_MISO PA6
+#endif
+#ifndef PIN_SPI_SCK
+ #define PIN_SPI_SCK PA5
+#endif
+
+// I2C definitions
+#ifndef PIN_WIRE_SDA
+ #define PIN_WIRE_SDA PB7
+#endif
+#ifndef PIN_WIRE_SCL
+ #define PIN_WIRE_SCL PB6
+#endif
+
+// Timer Definitions
+// Use TIM6/TIM7 when possible as servo and tone don't need GPIO output pin
+#ifndef TIMER_TONE
+ #define TIMER_TONE TIM3
+#endif
+#ifndef TIMER_SERVO
+ #define TIMER_SERVO TIM4
+#endif
+
+// UART Definitions
+#ifndef SERIAL_UART_INSTANCE
+ #define SERIAL_UART_INSTANCE 2
+#endif
+
+// Default pin used for generic 'Serial' instance
+// Mandatory for Firmata
+#ifndef PIN_SERIAL_RX
+ #define PIN_SERIAL_RX PA3
+#endif
+#ifndef PIN_SERIAL_TX
+ #define PIN_SERIAL_TX PA2
+#endif
+
+#define HSE_VALUE 16000000U // HSE - External Oscillator Frequency in hertz (16MHZ)
+
+/*----------------------------------------------------------------------------
+ * 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.
+ #ifndef SERIAL_PORT_MONITOR
+ #define SERIAL_PORT_MONITOR Serial
+ #endif
+ #ifndef SERIAL_PORT_HARDWARE
+ #define SERIAL_PORT_HARDWARE Serial
+ #endif
+#endif