Libraries using basic features like Serial, SPI, I2C,... should be fully compatible withSTM32 core. Pin updates could be required in the sketch.

• Built-in (delivered with the core package
• Dedicated
• Expansion boards
  • X-NUCLEO Expansion Boards
  • Other expansion board
• Official from Arduino
• Third party
  • Tested

• CMSIS_DSP: see usage examplehere
• EEPROM: follow the officialEEPROM API
• IWatchdog: seehere
• Servo: follow the officialServo API
• SoftwareSerial: follow the officialSoftwareSerial API.
  It uses anhardware timer. Interrupt is triggered at afrequency = Baudrate * OVERSAMPLE (by default3*baudrate) to handle RX as well as TX transmissions.This impacts CPU load specially at high baudrate.
• SPI: follow the officialSPI API
• Wire (I2C): follow the officialWire API

Some libraries have been developed to support specific features (hardware or not):

• STM32Ethernet: for on board Ethernet port (ex: Nucleo-F429ZI). This library is fully compatible with ArduinoEthernet API. It depends on the following libraries:

  • LwIP: lightweight TCP/IP stack (LwIP) is a small independent implementation of the TCP/IP protocol suite

  DedicatedWiki page

• STM32FreeRTOS: this is a port ofFreeRTOS for STM32 as Arduino libraries

• STM32LowPower: to support some STM32 low power mode. It depends on the following libraries:

  • STM32RTC

• STM32RTC: to support the real-time clock (RTC) controller embedded in the STM32 microcontrollers. It is based on the Arduino RTCZero library

• STM32SD: to support SDIO or SDMMC controller for board with SD card slot (ex: Disco-F746). This library is fully compatible with ArduinoSD API. It depends on the following libraries:

  • FatFS: FatFs is a generic FAT file system module for small embedded systems. The FatFs is written in compliance with ANSI C and completely separated from the disk I/O layer. Therefore it is independent of hardware architecture

• HTS221: to support the HTS221 capacitive digital sensor for relative humidity and temperature.DedicatedWiki page

• IIS2MDC: to support the IIS2MDC high-performance 3-axis magnetometer

• ISM330DLC: to support the ISM330DLC 3D accelerometer and 3D gyroscope

• LIS2DW12: to support the LIS2DW12 3D accelerometer

• LIS2MDL: to support the LIS2MDL high-performance 3-axis magnetometer

• LIS3DHH: to support the LIS3DHH 3D accelerometer

• LIS3MDL: to support the LIS3MDL high-performance 3-axis magnetometer. DedicatedWiki page

• LPS22HB: to support the LPS22HB 260-1260 hPa absolute digital output barometer. DedicatedWiki page

• LPS25HB: to support the LPS25HB 260-1260 hPa absolute digital output barometer

• LPS22HH: to support the LPS22HH 260-1260 hPa absolute digital output barometer

• LSM303AGR: to support the LSM303AGR 3D accelerometer and 3D magnetometer

• LSM6DSO: to support the LSM6DSO 3D accelerometer and 3D gyroscope

• LSM6DSOX: to support the LSM6DSOX 3D accelerometer and 3D gyroscope

• LSM6DS0: to support the LSM6DS0 3D accelerometer and 3D gyroscope

• LSM6DS3: to support the LSM6DS3 3D accelerometer and 3D gyroscope

• LSM6DSL: to support the LSM6DSL 3D accelerometer and 3D gyroscope. DedicatedWiki page

• M24SR64-Y: to support the dynamic NFC/RFID Tag IC dual interface M24SR64-Y. DedicatedWiki page

• MX25R6435F: to support the Quad-SPI NOR Flash memory MX25R6435F. DedicatedWiki page

• Proximity Gesture: o support gesture-detection using proximity sensors (VL53L0X or VL53L1X or VL6180X). The APIs provide single swipe gesture detection, directional (left/right) swipe gesture detection and single tap gesture detection

• SPBTLE-RF: to support the Bluetooth (V4.1 compliant) SPBTLE-RF. DedicatedWiki page

• ST25DV: to support the ST25DV components

• STTS22H: to support the STTS22H digital temperature sensor

• STTS751: to support the STTS751 digital temperature sensor

• VL53L0X: to support the VL53L0X Time-of-Flight and gesture-detection sensor. DedicatedWiki page

• VL53L1X: to support the VL53L1X Time-of-Flight and gesture-detection sensor

• VL6180X: to support the VL6180X proximity and ambient light sensing (ALS) sensor

• WiFi-ISM43362-M3G-L44: to support the Wi-Fi module Inventek ISM43362-M3G-L44 (802.11 b/g/n)

• S2-LP: to support the S2-LP sub-1GHz transceiver

• VL53L1: to support the VL53L1 Time-of-Flight ranging sensor with advanced multi-zone and multi-object detection

• VL53L3CX: to support the VL53L3CX Time-of-Flight ranging sensor with multi target detection

Hereafter, an exhaustive list of Arduino libraries to supportX-NUCLEO Expansion Boards.These libraries are guaranteed to work fine with all NUCLEO boards supported in theSTM32 Core. They could also work with standard Arduino boards but I suggest to check before electrical and pinout compatibility ofX-NUCLEO Expansion Boards with standard Arduino boards.

• X-NUCLEO-53L0A1: it is an expansion board for the STM32 Nucleo based on VL53L0X Time-of-Flight and gesture-detection sensor. It depends on the following libraries:

  • VL53L0X
  • Proximity Gesture

• X-NUCLEO-53L1A1: it is an expansion board for the STM32 Nucleo based on VL53L1X Time-of-Flight and gesture-detection sensor. It depends on the following libraries:

  • VL53L1X
  • Proximity Gesture

• X-NUCLEO-6180XA1: it is an expansion board for the STM32 Nucleo based on VL6180X proximity sensor, gesture and ambient light sensing (ALS) module. It depends on the following libraries:

  • VL6180X
  • Proximity Gesture

• X-NUCLEO-GNSS1A1: to support the X-NUCLEO-GNSS1A1 expansion board using the TESEO-LIV3F module. It depends on the following libraries:

  • MicroNMEA

• Teseo-LIV3F-Flash-Updater

• X-NUCLEO-IDB05A1: it is a Bluetooth Low Energy evaluation board based on the SPBTLE-RF BlueNRG-MS RF module. It depends on the following library:

  • SPBTLE-RF

• X-NUCLEO-IKA01A1: it is a multifunctional expansion board based on operational amplifiers.

• X-NUCLEO-IKS01A1: it is a motion MEMS and environmental sensor expansion board for the STM32 Nucleo. It depends on the following libraries:

  • LSM6DS0
  • LSM6DS3
  • LIS3MDL
  • LPS25HB
  • HTS221

• X-NUCLEO-IKS01A2: it is a motion MEMS and environmental sensor expansion board for the STM32 Nucleo. It depends on the following libraries:

  • LSM6DSL
  • LSM303AGR
  • LPS22HB
  • HTS221

• X-NUCLEO-IKS01A3: it is a motion MEMS and environmental sensor expansion board for the STM32 Nucleo. It depends on the following libraries:

  • LSM6DSO
  • LIS2DW12
  • LIS2MDL
  • HTS221
  • LPS22HH
  • STTS751
  • LSM6DSOX

• X-NUCLEO-IHM02A1: it is a two axis stepper motor driver expansion board based on the L6470 component.

• X-NUCLEO-IHM12A1: it is a low voltage dual brush DC motor driver expansion board based on the STSPIN240.

• X-NUCLEO-LED61A1: it is an expansion board based on the LED6001 component.

• X-NUCLEO-NFC01A1: it is a Dynamic NFC tag evaluation board based on the M24SR64-Y NFC Type 4/RFID tag IC. It depends on the following library:

  • M24SR64-Y

• X-NUCLEO-NFC03A1: it is an NFC card reader evaluation board based on CR95HF-VMD5T that supports the detection, reading and writing of NFC Forum Type 1, 2, 3 and 4 tags.

• X-NUCLEO-NFC04A1: it is a dynamic NFC/RFID tag IC expansion board based on the ST25DV04K NFC Type V/RFID tag IC. It depends on the following library:

  • ST25DV

• X-NUCLEO-S2868A1: it is a wireless sub-1 GHz expansion board based on S2-LP radio and operates in the 868 MHz ISM frequency band. It depends on the following libraries:

  • S2-LP
  • M95640-R

• X-NUCLEO-S2868A2: it is a wireless sub-1 GHz expansion board based on S2-LP radio and operates in the 868 MHz ISM frequency band. It depends on the following libraries:

  • S2-LP
  • M95640-R

• X-NUCLEO-S2915A1: it is a wireless sub-1 GHz expansion board based on S2-LP radio and operates in the 915 MHz ISM frequency band. It depends on the following libraries:

  • S2-LP
  • M95640-R

• X-NUCLEO-53L1A2: it is an expansion board for the STM32 Nucleo based on VL53L1 Time-of-Flight ranging sensor with advanced multi object detection. It depends on the following libraries:

  • VL53L1

• X-NUCLEO-53L3A2: it is an expansion board for the STM32 Nucleo based on VL53L3CX Time-of-Flight ranging sensor with multi target detection. It depends on the following libraries:

  • VL53L3CX

• X-NUCLEO-IHM05A1: it is a bipolar stepper motor driver expansion board based on the L6208 component.

• I-NUCLEO-LRWAN1: to support I-NUCLEO-LRWAN1 LoRa® expansion board based on USI® LoRaWAN™ technology module

Herafter, a non exhaustive list of libraries known as compatible with theSTM32 core.

• TFT: since release1.0.6 else useUcglib_Arduino
• LiquidCrystal
• Ethernet
• WiFi

ARDUINO_ARCH_STM32 must be used as differentiator.

• arduino-LoRa: tested with B-L072Z-LRWAN1
• Firmata: since release2.5.7
• OneWire: Library for Dallas/Maxim 1-Wire Chips
• PubSubClient: tested using L475 disco IOT using WiFi
• RTClib: tested with Adafruit module 3296
• Ucglib_Arduino: tested with ST7735
• UIPEthernet: tested with ENC28j60 module