Stm32 arduino i2c example

Stm32 arduino i2c example. Circuit Diagram. In some situations, it can be helpful to set up two (or more!) Arduino boards to share information with each other. The following are the features of DS3231 RTC module. Re: STM32F103C8T6 with RTC DS3231 & I2C LCD 16x2. Arduino 1, the Master, is programmed to send 6 bytes of data every half second to a uniquely addressed Slave. Oct 2, 2019 · With the ESP32 you can set almost any pin to have I2C capabilities, you just need to set that in your code. The DHT20 is a humidity and temperature sensor. Jul 6, 2019 · An Overview of the STM32 "Blue Pill" If you take a look at this $2 microcontroller, one of the first things you see are its jumper pins, which are used to work with the default USART boot loader. Optical size 1/6 inch. The LCD module we will use is a Hitachi HD44780 controller based 16×2 LCD module with a PCF8574 I2C interface. STM32 Programming Tutorials & Projects. Although the TFLuna is compatible with the TFMini-Plus in the UART (serial) mode, in I2C mode it is very different and therefor this library is not compatible with the STM32 HAL Drivers Examples. The twiSend() function is. Select the Nucleo L476RG board in two steps: a. I use the arduino IDE btw. The Clock No Stretch Mode is disabled, that means the Clock stretching is enabled. Go to File > Preferences. Programming via the HID bootloader -- Step 6. This newer version features a more powerful Core-M4F based ARM CPU. In this tutorial we are going to interface LCD 20×4 Display with STM32 using I2C. fairly simple, we just send address of the device shifted to the left by. You’ll learn how to use our STM32 I2C LCD Library and create some example projects to practice what we’ll be learning in this tutorial. Then from the " Tools > Board part number " menu, select the Nucleo L476RG. 5 MHz. STM32 Nucleo I2C LCD Code. For example, the below diagram shows an I2C bus with 2 masters (Arduino UNO board & STM32 Nucleo Board) and only 1 slave (I2C EEPROM). The STM32 I2C is capable of acting as 2 different slave devices with 2 different addresses, but it is disabled, and there will be only 1 slave. You signed out in another tab or window. It is worth mentioning that the most of the other examples can also run on ESP32. // below is for a 128x64 OLED. The sensor has a fixed address of 0x38 . 5. This tutorial covers the DFU bootloader. There is nearly no information online about this, and the info I have found just doesn't work. Under the Mode Selection Dropdown menu, select Interface to CMSIS_V2. From the " Tools > Board " menu, select the STM32 boards groups: Nucleo-64. Figure 2. We will learn to configure Arduino as an I2C master and an I2C slave device. ino","path":"libraries/Wire/examples/i2c Mar 23, 2020 · We will connect 2 STM32 boards using their I2C interface, will go over the I2C packet format, and will show how to use the STM32 HAL API to send and receive message using I2C. Today in this tutorial we are going to interface DS3231 RTC module with STM32. Learn ARM-Cortex M3 & M4 Architecture. Write the Blinky program as follows. After configuring & generating the USB CDC project initialization code, let’s now create a USB CDC Transmit example. The STM32 Arduino Core (STM32DUINO) provides software support for various STM32 microcontroller hardware product lines. We’ll use the I2C protocol to send and receive messages with a TI TMP102. Maybe community will be able to help? EDIT, solution: Treat "wire2" as regular "wire". Keep pressing the Boot button until the code is uploaded. Sep 2, 2019 · Let’s take our STM32 to the next level and communicate with a sensor. To check for the connected slave devices on the I2C bus and report their addresses over UART to our PC. This board is connected to the Rx and Tx pin of the STM32 as shown below. This is a comprehensive guide for STM32 I2C LCD Interfacing (I2C LCD 16×2, 20×4, and Multiple I2C LCDs). Oct 17, 2023 · In this tutorial, we will discuss how to interface an STM32 microcontroller with an I2C LCD module. Description. One of the serial communication methods is UART, the word UART stands for Universal Asynchronous Receiver / Transmitter. My current setup is this: I am using the up to date version of stm32core (STM32CORE) and I have updated all my libraries. I'm not looking for other workaround, I need to make 2nd I2C to work. For example, if the slave address is 21 (00010101), then the address you set in the I2Cx_Write () has to be 42 (00101010). It have been some challenge but overall it seems ok now. Tools Menu Settings -- Step 4. The I2C communication between the masters and slave1 will be both (transmitting & receiving) because the EEPROM is used for read/write operations. Select the Nucleo-L476RG (or your preferred board) and name your project. In Due program store setting working fine. This tutorial is designed to be detailed and easy to follow. Map that status register bit to a hardware output line. I am using STM32F103C8 microcontroller and I2C device is PCF8574 with the slave address of 0x4E. We’ll configure these peripherals and generate the initialization C-Code STM32 GPIO Ports. by fredbox » Sun Jun 14, 2020 9:02 pm. Mar 28, 2020 · If you want to use the second I2C bus you need to add these lines before setup () Code: Select all. As those files were almost the same for the same series, a default one per series avoid to add one for each variant. STM32F4_HAL_EXAMPLES. One Arduino board will act as an I2C master transmitter that will read a potentiometer analog input and send it to the I2C Slave Arduino board. Join PB7, the STM32’s SDA pin, to A4, the Arduino’s SDA pin. Only by looking at the Oled display it’s really hard to tell whether this is SSD1306 or SH1106 model. 91 Inch OLED Display. After uploading the code, you will notice that the onboard LED of the Nucleo board will start blinking as follows: In summary, in this tutorial, we have learned to use STM32 Nucleo boards with Arduino. Thereafter one has to call the read () function to do the actual reading, and call getTemperature () and getHumidity () to get the Mar 23, 2024 · STM32 USB CDC Transmit Example. SPI in This is a comprehensive guide for Arduino I2C LCD 16×2 Interfacing. Programming STM32 for Interfacing DHT11. Jan 9, 2019 · Read the complete STM32 I2C communication tutorial here: https://circuitdigest. com/microcontroller-projects/stm32-stm32f103c8-i2c-communication-tutorialOverv In this Arduino Tutorial, we are going to take a first look at the STM32 Arduino Compatible Board. When you want to connect other I2C devices you must use an AHT20! When you don't want to block an I2C bus for an AHT10 you can use a software I2C. Mar 28, 2024 · Also, connect the VCC and GND pins of the I2C LCD Module to +5V and GND. The LSI can be used to clock the RTC, the low-power timers, and the independent watchdog. ino (Figure 3). You can google the addresses for your LCD Type. Connection for Arduino and ST board SPI pins. The folder SI47XX_06_ESP32 has examples that use some great resources of the ESP32 boards. Feb 10, 2020 · The I2C (or Two Wire) is a widely-used serial bus to exchange data between two or more devices (microcontrollers, sensors, displays) 1. I 2 C master can read 5 bytes of data (0x01, 0x02, 0x03 Nov 13, 2021 · STM32 I2C Polling Mode. STM32 HAL Drivers Examples. Understand The Internals OF STM32 Microcontroller Hardware. You switched accounts on another tab or window. Except for store settings in a external EEPROM. In the Pinout & Configuration window, assign PB8 and PB9 to I2C1_SCL and I2C1_SDA functions, respectively. #define OLED_RESET -1 // use -1 if no reset pin on OLED board // use second I2C bus on STM32F103 // TwoWire Wire2(SDA2, SCL2); TwoWire Wire2(PB11, PB10) ; Adafruit_SSD1306 Display. However, it is NOT meant to be a comprehensive guide. The first thing to do is to connect the hardware one piece at a time and then run a I2C scanner program to make sure that your I2C devices are detected at the right address. TwoWire Wire2 (2, I2C_FAST_MODE); // I2C_2 Aug 6, 2022 · The I2C Pins of this module are easily connected to the appropriate I2C Pins of the STM32 Blue Pill Board by simply mounting it to the back of the 16×6 LCD display. 5°C) Turn on the status register that listens to that triggering function. Mar 1, 2019 · only twiEnable(), twiSend() and twiReceive(). In this example, two boards are programmed to communicate with one another in a Controller Writer/Peripheral Receiver configuration via the I2C synchronous serial protocol. The TMP36 sensor is a very popular temperature sensor that can easily be used with Arduino using the ADC analog input pin. For this tutorial, we’ll be programming STM32F103C8T6 (Blue Pill) with Jun 15, 2020 · A: The AM2320 is a digital temperature and humidity sensor that uses the I2C serial bus to communicate with microcontrollers like Arduino. begin(I2C_SDA, I2C_SCL); Nov 3, 2017 · Enable the sensors triggering function (eg: a max. Add the URL below to the Additional Board Manager URLs text box. Note: Although we will be using Arduino Uno in this tutorial. Each of the general-purpose I/O ports has two 32-bit configuration registers, two 32-bit data registers, a 32-bit set/reset register, a 16-bit reset register, and a 32-bit locking register. It’s got a linear voltage output response with a slope of 10mv per °C and an offset voltage of 0. Steps: 1. Check the below image for your reference. Then for the target selection, specify the STM32 Nucleo board number. But I would also like to do the same using the i2C2 ports, PB10 SCL and PB11 SDA. We will use a third STM32 board together with Analyzer2Go to look into the I2C signals. The OV7670 camera module build in onboard LDO regulator only single 3. That is a topic Sep 18, 2020 · 參考其他的範例程式時，使用到 LiquidCrystal_I2C 這個函數庫，原以為可以使用原先已經安裝在 Arduino 中的程式庫(Library)，直接進行編譯。但在編譯過程中會出現錯誤，應該是為了 STM32 有稍稍修改程式庫，記得要換成這個 LiquidCrystal_I2C 程式庫。安裝的方法如下一 Aug 8, 2018 · So in this STM32F103C8T6 Arduino IDE tutorial we will using the Arduino IDE to get started with STM32. Then click the ‘Next’ button. This will divide the main clock i. STM32 devices embed an ultra-low-power RC oscillator, which is available in all modes except Shutdown and VBAT. In Device Configuration Tools go to Categories > Middleware > FREERTOS. The pins to be used for the serial data (SDA) and serial clock (SCL) control lines can be defined at run-time. Including Timers, ADC, USART, I2C, USB, DAC, Comparators, etc. In this YouTube video, we dive into the topic of integrating an I2C LCD display with STM32 microcontrollers. The receive twiReceive() function works by sending address also shifted left. The OLED display shown in the above image connected to an Arduino Uno has a regulator on the bottom layer of the circuit board. Using I2C on STM32 is not very complicated, once one clears the hurdle of setting up the clock configuration. This regulator is a XC6206 series voltage regulator in a SOT-23 package. Select the FAST MODE in the I2C, as it is required for the OLED Display. We will use the STM32CubeIDE software to write the code, which provides a comprehensive set of tools for developing, debugging, and Nov 13, 2019 · Hi guys, Beginner here. It is commonly used in obstacle avoiding robots and automation projects. Define the pins for LED, Button and Slave Select and set the LED Pin and Slave Select Pins as OUTPUT and Button Pin as INPUT. Each I/O port bit is freely programmable, however, the I/O port registers must be accessed as 32-bit words (half-word or byte accesses are You signed in with another tab or window. We’ll use the CDC_Transmit_FS(uint8_t* Buf, uint16_t Len) function that you can find at this location HAL configuration. Each required STM32 HAL configuration file is in system/STM32YYxx/ (where YY is the MCU series). The LSI consumption is typically 110 nA. The other Arduino board will act as an Aug 5, 2022 · Connecting an STM32F103C8T6 to show how I2C works is a breeze because of how straightforward the pinouts are. Nov 27, 2021 · Now we create a new STM32CubeMX project with the following steps: Select File > New project from the main menu bar. This board is powerful and inexpensive. We’ll start by explaining how the I2C LCD module works, its May 11, 2019 · Hello, I don't want to mess with existing data flow of 1st I2C peripheral of STM32 (blue pill), it's busy enough already, and trying to make 2nd one to work, but I haven't had much luck with that. I have included 5 examples with a wiring diagram and code so you can start Mar 23, 2020 · The AHT10 humidity sensor has the problem that only one device of it can be connected with an I2C bus. Since core version greater than 1. In the end, for demonstration purposes, we will perform i2c communication between two Arduino boards. Sep 20, 2022 · I personally have 3 different type microcontrollers boards on hand : - (4 in total) genuine arduino unos, but it seems that interfacing two i2c buses isn't possible. e. In order to do so, you need to do the following: Press and hold down the Boot button. Given the popularity of this protocol, the web Mar 1, 2019 · only twiEnable(), twiSend() and twiReceive(). begin(); Serial Dec 17, 2021 · Go to Tools > Ports: After that, compile the code and hit on upload button to upload code to the Nucleo board. STM32 I2C LCD Library & Examples (16×2, 20×4, Multiple LCDs) by Khaled Magdy. Instead it aims to cover the basics to get you going quickly Application1: Setup UART receive system using the polling method. I use a external EEPROM (AT24c256) over i2c bus. You can check the natively supported STM32 microcontrollers & development boards as well as the rest of the features provided by the STM32DUINO Core. Arduino I2C LCD 16×2 Scrolling The folder SI47XX_05_ATTINY85 has examples of using the Si4735 Arduino Library running on ATtiny85. Therefore the comparator’s digital output will toggle on the zero-crossing points of the input sinusoidal Jun 22, 2021 · I am using a STM32F103C8T6 "Bluepill" with a ST7735s 128x60 tft display. Many of the examples are inspired by the book (Mastering STM32 by Carmine Noviello) I've tried to make them more useful for real products or projects. And take note that the slave address in the I2Cx_Write () have to be left-shifted by 1 bit. 1 bit, or-red | zero (0) at free space that tell I2C bus it is for write operation. First, the transaction will be initiated from the Arduino board. I can display messages on a 16 x 2 i2C display using the default i2C ports. Step1 – Include the Arduino Core I2C wire library. You can use the same code for any other LCD display Type (i. Select the serial port from the " Tools > Port " menu. {"payload":{"allShortcutsEnabled":false,"fileTree":{"libraries/Wire/examples/i2c_scanner":{"items":[{"name":"i2c_scanner. h>. Let’s see the Setup Process First. Two Potentiometers are also connected with STM32 (PA0) and Arduino (A0) to determine the sending values (0 to 255) from master to slave and slave to master by varying the potentiometer. 3V out voltage regulator. This is a simple way to communicate between devices when the bit rate is not very low, for example when we can debug the board and we want to display the result on screen console. The SCL and SDA Pins will get automatically selected. 🙁 I am using the "genericSTM32F103C" board to compile the code. A COM port will be assigned to the programmer and select the same COM port in the Arduino IDE. Feb 16, 2021 · Connection for Arduino and ST board. Dec 1, 2020 · About the 128 x 32 0. Jan 7, 2018 · We need to design our device registers or commands which is queried by master to control our custom slave device. And this is my test code using the default i2C ports Arduino LCD 20×4 I2C Example (LCD 2004 I2C Tutorial) by Khaled Magdy. We’ll configure these peripherals and generate the initialization C-Code May 2, 2023 · LSI is a low-speed internal clock RC oscillator, with a frequency of 40 kHz, providing a low-power clock. 7K resistors are needed to get the SDA and SCL pins to a HIGH state. We will have to install the STM32 Add-on in your Arduino IDE. 4. In this example project, we’ll establish serial communication between two Arduino Boards using I2C communication (TWI). Step2 – Define the I2C_Frequency and GPIO pins to be used for (SDA & SCL) lines. Dec 24, 2018 · I2C communication is generally used to communicate with Gyroscope, accelerometer, barometric pressure sensors, LED displays etc. h> void setup() {Wire. OLED stands for Organic light emitting diode. Stick with the C target language. In Ardiuino, select File->Examples->Wire->i2c_scanner. 3 mega pixel CMOS color camera module, it can output 640x480 VGA resolution image at 30fps. The I2C is a multi-master, multi-slave, synchronous, bidirectional, half-duplex serial communication bus. It’s widely used for attaching lower-speed peripheral ICs to processors and microcontrollers in short-distance, intra-board communication. The library must be initiated by calling the begin () function. Application2: Setup UART receive system using the interrupt method. If the text box is not empty, you can separate the URLs with a comma. 72 MHz by 16 to get the SPI clock as 4. After creating the project in Stm32CubeIDE, it will open the default page for you called Device Configuration Tools. Before proceeding, make sure that you have figured out the slave address of the PCF8574 Module as mentioned in the I2C LCD Tutorial. Arduino library for the Benewake TFMini-Plus using I2C communication interface The TFMini-S is largely compatible with the TFMini-Plus and both are able to use this library. Specification. temperature alert) Load register (s) with the parameter value for that trigger (eg: 52. We’ll implement the following examples in this tutorial: Arduino I2C LCD 16×2 Text + Variables Display. The module works on I2C communication protocol, and therefore we need only 2 wires to interface it with the microcontroller. - a STM32F104C8T6 based blue pill board (a cheap chinese one, I bought it out of curiosity of the abilities of the board), that seems to feature 2 separate buses but I don't find Arduino Boards connected via I2C. Jan 9, 2019 · In this STM32 SPI Example, we will use Arduino UNO as Slave and STM32F103C8 as Master with Two 16X2 LCD display attached to each other separately. Go to the Board selector tab and filter on STM32L0 Series. Now my STM32F3 can successfully using I2C to communication with arduino. SoftWire is a software I2C implementation for Arduino and other Wiring-type environments. There is also a micro USB port on the board, but unfortunately it cannot be used for programming because it does not have an associated boot loader. Arduino I2C Slave Receiver Example. Programming with STM32CubeProgrammer and ST-Link V2 -- Step 5. connect the BOOT0 pin to HIGH. Programming via the Maple bootloader -- Step 7. [START][Addr << 1 + 0] [SET_NUMBERS_REG][n1][n2][STOP] GET_ADD_REG 0x02. Each application will have to receive 12 bytes of data from the PC terminal and echo back the received data buffer. HAL GPIO APIs. We will cover more about Clock stretching and General call address detection in the upcoming tutorials. , all of them are serial communication. This opens the New Project window. Jan 12, 2019 · The HC-SR04 is an inexpensive, easy to use ultrasonic distance sensor, with a range of 2cm to 400 cm. You’ll learn how to use I2C LCD with Arduino and create some example projects to practice what we’ll be learning in this tutorial. Source: RM0091, 26. You’ll learn how to use LCD 2004 I2C With Arduino and create some example projects to practice what we’ll be learning in this tutorial. After that, connect the FTDI to the PC or Laptop. 3V power needed and can be used in Arduino, STM32,Chipkit, ARM, DSP , FPGA and etc. Interface Various Peripherals Inside OF STM32 Microcontrollers. You can use the Pull Up register to these 2 Pins. In this tutorial, you will learn how the sensor works and how to use it with Arduino. 0, a default STM32 HAL configuration is provided per STM32 series. Apr 18, 2024 · About the Oled i2c Display: This is a monocolor, 0. In this section, I’ll give you a step-by-step approach to using ESP32 I2C in Arduino IDE for your project code. It is not known if the address can be changed. Mar 28, 2024 · Now, before connecting the FTDI to the PC, make sure that STM32 Blue Pill Board is in “Programming Mode” i. The purpose of our project is to demonstrate project creation using STM32CubeIDE, understanding how to configure I 2 C peripheral in STM32 and how to use STM32 HAL I2C library to read data. Preparing the ST-Link V2 -- Step 2. In the same manner, there are low-level hardware drivers for almost all the hardware peripherals in the STM32 microcontrollers. In this example, two boards are programmed to communicate with one another in a Master Writer/Slave Receiver configuration via the I2C synchronous serial protocol. Join us as we provide a step-by-step tutorial, g . One significant advantage of this protocol is the need of just two wires that can be quite handy if your microcontroller only has 6 IO ports (an example ATtiny85). I've added new examples such as NOKIA5110, FIT0484 Motor, LM35DZ, HD44780, BME280, DS3231, 25LC010A, MAX7219 and u8g2, CRC with SRecord, Meta information, etc. #include <Wire. But concepts and coding examples will work on other Arduino boards such as Arduino Mega, nano, micro, etc. e 16×2, 16X4 etc), except the DDRAM addresses. The display has these connections: GND, VCC, SCL, SDA, RES, DC, CS and BL. There are two different models of the same Oled display module which are SSD1306 and SH1106. 5v on the output pin. PCF8574 Module. Mar 28, 2020 · In this short tutorial, we’ll be creating an STM32 I2C Scanner example project. Begin the SPI Communication and reduce the clock for SPI using SPI_CLOCK_DIV16. Values will be displayed on the 16x2 LCD connected to each of the Mar 28, 2024 · Now, before connecting the FTDI to the PC, make sure that STM32 Blue Pill Board is in “Programming Mode” i. Join us as we provide a step-by-step tutorial, g STM32 Comparator Example (With Interrupt + Timer ICU) In this example project, we’ll set up the STM32 internal analog comparator to compare the (Vin+), which is coming from a signal generator, against the internal (Vref/4 = 0. Resolution 640x480 VGA. It provides accurate readings of temperature and humidity, making it ideal for various applications such as weather monitoring, home automation, and greenhouse control. h library to communicate with devices using I2C. Highly Accurate RTC Completely Manages All Timekeeping Functions. 96-inch with 128×64 pixels Oled i2c display module. Installing the STM32 Arduino IDE add on -- Step 3. Similarly, link PB6 on the STM32 to the SCL pin on the Arduino, which is A5. It utilises the pinMode(), digitalWrite() and digitalRead() functions. Make the connections, as shown in Figure 2. The Connection is as shown Below. We will use STM32Cube IDE to program our STM32 board. With this library, you initialize the I2C as follows: Wire. The folder SI47XX_07_STM32 has examples of using the STM32F103 Series. For other programming options, refer to this tutorial: Program STM32 Blue The OV7670 camera module is a low cost 0. Create a New Project in STM32CubeIDE. Press and release the Reset button while continuing to press the Boot button. In this lesson on “Interfacing PCF8574 with Arduino,” I’ve already covered the PCF8574 GPIO Expander IC. Technically, serial communication is the process of sending data bit to bit over a transmission line. Select NUCLEO-L053R8 and click OK to load the board within the STM32CubeMX user interface. HOW TO. Power your Arduino board and download the I2C slave sketch to Arduino, and the name of the sketch is 003I2CMasterRxString. The I2C Scanner example is a very common Arduino sketch example to scan the I2C bus for available devices and get their addresses (if found). Reload to refresh your session. To program the STM32 Blue Pill board directly from Arduino IDE we need to use a Serial FTDI board. You can use the following code for the same. Open STM32CubeIDE and click File > New > STM32 Project. The typical TMP36 temperature sensor’s operating range is (-40°C To 125°C). This is remarked in the datasheet. Two 4. SET_NUMBERS_REG 0x01. In polling mode, also called blocking mode, the application waits for the data transmission and reception. Mar 6, 2023 · Launch the Arduino software. Then go to “ Tools ” > “ Board ” > “ Boards Manager “. In this video, Mar 28, 2024 · First, let me start programming the STM32. In our project, we will be using I 2 C slave with the following parameters: Slave address: 0x11. Open the IDE and head over to a new project. Develop Reconfigurable Reusable Firmware (Embedded Software Components) In C-Programming Language Based On ST HAL & LL Drivers. In this Arduino I2C tutorial we will use I2C communication between two arduino boards and send (0 to 127) values to each other by using potentiometer. master sets the register first and then read two bytes. We’ll send out a buffer (string message) to the PC over a virtual COM port every 100ms. 825v). When using the ESP32 with the Arduino IDE, use the Wire. Installing the SafeString Library for the millisDelay class -- Step 3. 1. Before you begin, install Visual Studio and VisualGDB. Aug 26, 2021 · The STM32F401/F411 Black Pill Development Board is an updated version of the popular F103 based Blue Pill. Mar 26, 2013 · As of this writing, SparkFun is using the DFU bootloader to upload code to the STM32 Thing Plus. 🛒 STM32 Board: ht Feb 3, 2024 · How to create stm32 project in stm32cubeide with example code. Application3: Setup UART receive system using the DMA method. HAL Detailed Function Description. Below is the image from the CubeMX. That’s how easy it is. 10. On the SOT23 package is the marking 662K which denotes a 5V in to 3. master writes three bytes after writing slave address on i2c line. This is a comprehensive guide for Arduino LCD 20×4 I2C Interfacing. Both F401 and F411 processors supports DFU bootloader. Aug 15, 2022 · I have portet a Arduino Due program for controlling a audio dac (ESS 9028pro) to STM32 (blue pill). Jun 22, 2021 · I am using a STM32F103C8T6 "Bluepill" with a ST7735s 128x60 tft display. Re-enable the global interrupt control bit. After that click on any column as shown in the picture below. b. There are different types of serial protocol, such as CAN, RS232, RS485, I2C, SPI, etc. For other programming options, refer to this tutorial: Program STM32 Blue We're going to take a look how to get started with STM32 microcontrollers using STM32Cube and Keil MDK-ARM, which is considered "canon", and only $4 worth of hardwares. Several functions of Arduino's Wire Library are used to accomplish this. May 11, 2022 · IC2_TIMINGR configuration example table. Share. fn vs bm xp do vh lo xb us ts