NOTE: Digital pin 13 is harder to use as a digital input than the other digital pins because it has an LED and resistor attached to it that's. 3V boards) for HIGH, 0V (ground) for LOW. digitalRead () digitalWrite (). Arduino Uno has a total of 14 GPIO pins, out of. Now connect the L298N module’s Input and Enable pins (ENA, IN1, IN2, IN3, IN4 and ENB) to the six Arduino digital output pins (9, 8, 7, 5, 4 and 3). Step 2: Glitches With the Arduino Software. Analog IO. สำหรับ Arduino uno r3 มีขาสำหรับ analog ตั้งแต่ A0-A5 รวม 6 ขา ซึ่งเราสามารถกำหนดให้เป็นขาแบบ digital ได้เช่นกัน โดยหากกำหนดเป็น digital ก็จะทำงานคล้าย. Yes, Arduino analog pins can be used as digital pins. When a Pin has been configured for INPUT with pinMode (), simply use digitalWrite () to write a HIGH to that pin. The analog input pins can be used as digital pins, referred to as A0, A1, etc. . pinMode — Current mode of Arduino pin character vector. // potentiometer connected to analog pin 3 int val = 0; // variable to store the read value void setup() { pinMode(ledPin, OUTPUT); // sets the pin as. Connect Arduino to PC via USB cable. Analog input pins are even more flexible. The forLoop doens't increment if I use A1 (analog pins). But I find that in my project, it doesn't perform as stated. 56 volts. BTW: the pinMode function does only set the digital direction. Wire up the Test Schematic (below) Plug the RGB LED into your breadboard. pinMode () The code makes the digital pin 13. digitalRead () digitalWrite () The Arduino programming language Reference, organized into Functions, Variable and Constant, and Structure keywords. You do not need to set the pinMode() to read an analog value using analogRead as the pin will automatically be set to the correct mode when analogRead is called. If you have an Arduino Uno, you can use A0 to A5. pinMode Arduino Command is used to define the operation of these Input/output pins, there are three types of modes that can be assigned using this command and are named as: OUTPUT. Prior to Arduino 1. fpistm removed the On. delay(). For example, the code would look like this to set analog pin 0 to an output, and to set it HIGH: Copy. Viewed 71 times. Seems like the Arduino core is missing a function to read the pinMode(). CircuitPerintah Pin Analog I/O Arduino Berbeda dengan pin digital, pin analog hanya memiliki dua jenis perintah yang sering digunakan. From Arduino 1. After a call to analogWrite (), the pin will generate a steady rectangular wave of the specified duty cycle until the next call to analogWrite () (or a call to digitalRead () or digitalWrite ()) on the same pin. The text of the Arduino reference is licensed under a Creative Commons Attribution-ShareAlike 3. My robot arm needs 4 pins for each encoder. system November 22, 2013, 8:46am 1. Arduino microcontrollers have plenty of I/O pins, some of which have an “analog” capability. Nah untuk. the value used as the top of the input range). DigitalReadSerial - Read a switch, print the state out to the Arduino Serial Monitor. pinMode() Analog I/O analogRead() analogReference() analogWrite() Zero, Due & MKR Family analogReadResolution(). const int kPinBtn = A0; // Push-Button connected to Analog pin A0 const int kPinLED = 13; // LED connected to to Digital Pin 13 void setup () { pinMode (kPinBtn, OUTPUT); // Generally, in push-button we take INPUT as a parameter but here we take OUTPUT because ANALOG PIN digitalWrite (kPinBtn,. analogRead(). Configures the specified pin to behave either as an input or an output. Aquí te explicamos su uso con ejemplos. analogRead() analogReference() analogWrite() Advanced IO. Additionally, the INPUT mode explicitly disables the internal pullups. It can apply to control ON/OFF any devices/machines. In this tutorial, we are going to learn how to use Arduino and sound sensor to detect the sound. 5 Reads an. Yes. 2 digitalWrite(pin, HIGH); // turn on pullup resistors. Configures the reference voltage used for analog input (i. You can use this circuit starter anytime you want to fade an LED. 0. NOTE: Digital pin 13 is harder to use as a digital input than the other digital pins because it has an LED and resistor attached to it that's. 2- Continuously read the analog input pin for the potentiometer. No Arduino UNO,. fpistm closed this as completed in #369 on Nov 16, 2018. In this example, let’s build an Arduino project which plays a melody on the buzzer connected to pin 3. I have the pinMode() statements in my setup. 4. The analogRead() function takes care of setting up the pin. Pembahasan mengenai PWM pada arduino akan di bahas pada artikel yang akan datang, karena. Picture 3: Button Wired with Internal Pull-Up (Blue wire connects to Pin 12 of the Arduino) It only takes a small change in the code to turn on these incredibly useful internal pull-up resistors. The Arduino programming language Reference, organized into Functions,. 3 volts, to a scale of 0 to 1023. First off, we want to add Image 4 as a line of code at the top of our program so that our commands are understood in the Arduino IDE. analogWrite (pin, 0) is effectively the same as digitalWrite (pin, 0), but it's ambiguous. Arduino BoardIf the pin is configured as an INPUT, digitalWrite() will enable ( HIGH) or disable ( LOW) the internal pullup on the input pin. This circuit is also available as a circuit starter. Change R, G and B values in analogWrite () function to 255 - R, 255 - G, and 255 - B, respectively. Ini karena pin analog tak membutuhkan perintah penginisialisasian dengan pinMode(). To read a value in the Arduino IDE, you simply use the analogRead () function. I made a sketch to switch on all digital and analog pins, and found out several pins did not work as expected. Pin numbers in Arduino correspond directly to the ESP8266 GPIO pin numbers. Pin mapping. Nach Aufruf von analogWrite () generiert die Funktion eine stetige Rechteckwelle mit angegebenem Zyklus, bis der nächste Aufruf von analogWrite () (oder digitalRead () oder digitalWrite. Viewed 67 times. This tutorial teaches you to control LED using Arduino UNO or Genuino UNO. Or you could connect it to an input pin and measure pulse width and frequency, but you can't do it on the pin itself. check the input voltage. 5V, say for measuring an AC. A5). The modes available to any given pin is dependent upon pin type. Actually I've found that I do need to set the pinMode to input, else analogRead does not work. The analog output returns a high value when no touch is detected, the value depends on the supplied voltage and the position of the potentiometer. Pin mapping. 3V) into integer values between 0 and 1023. system March 15, 2008, 8:59pm 1. Für mehr Informationen siehe: Tutorial zu Digitalpins. Este pode ser INPUT, OUTPUT ou INPUT_PULLUP; que correspondem respectivamente a entrada, saída e entrada com pull-up ativado. digitalWrite(). To learn how to read data from a potentiometer, and display it in the Serial Monitor, visit the Analog Read Serial example. Let’s say we want to configure Arduino’s pin number 2 to be an input pin. analogRead() função Lê o valor de um pino analógico especificado. It should also be noted that the analog channels are input-only. One complication is that the Arduino functions give each pin an "Arduino" pin number, and you have to look at a pin map to figure out which. DigitalInput: acquire digital signals from pin. According to the table above, this is bit 0 of port B. This example shows you how to read analog input from the physical world using a potentiometer. Turning the internal pullup on with pinMode(Ax, INPUT_PULLUP) makes it more clear what you are doing, I think. Additionally, the INPUT mode explicitly disables the internal pullups. 3 volts (on 3. Note how pins 0 & 1 are a stronger shade of the colours on the. When A0 is switched to digital output and then back to analogRead (A0) gives a value of -+ 240 and this. Define analog pin as output. Originally these were the main options. 90 pinMode (grnPin, OUTPUT);. Problem solved! When you set the mode to INPUT_PULLUP, an internal resistor – inside the Arduino board – will be set between the digital pin 4 and VCC (5V). The LED is connected at digital pin 12 of the arduino. 104 µs. Once zero is reached, the main. 1以降では第二引数をINPUT_PULLUP とすることでプルアップ抵抗を有効にすることができます。本記事は、IOピンを高速かつ簡単に設定できるポート・レジスタについてです。ArduinoのPIN状態を設定するコマンドは「pinMode()」「digitalWrite()」「digitalRead()」。ある程度スケッチ（コード）を描くのに慣れてきた場合、一つ一つのPINを設定するのも煩雑に感じたり、ピンの設定を高速化したいと. Kann z. It looks up that number in the binary array, then it loops through those 4 numbers and sets S0, S1, S2, and S3 appropriately. In fact the 14. Start and ConfigurePins methods to initialize our. 19 you can use pinMode (), digitalRead/Write etc. And using it, digitalWrite (A0, HIGH/LOW). Inisialisasi ini dilakukan pada fungsi setup(),dengan cara : pinMode(pin,mode) Pin : nomor pin yang dikonfigurasi dari papan arduino. 0 License. In order to configure a digital IO pin as an output, we need to use the pinMode() function. 39V (I wanted something around 2. digitalWrite(). The analogWrite function has nothing to do with the analog pins or the analogRead function. The up/down and left/right directions are typically mapped to the X and Y axes, respectively. Pin names on the ATtiny85. Nah pada Arduino, bahkan kita bisa melihat berapa nilai yang dihasilkan oleh potensiometer pada posisi tertentu. The options are: DEFAULT: the default analog reference of 5 volts (on 5V Arduino boards) or 3. If the pin is configured as an INPUT, digitalWrite () will enable ( HIGH) or disable ( LOW) the internal pullup on the input pin. They may be configured for analog input, digital input. If the pin isn’t connected to anything, digitalRead () can return either HIGH or LOW (and this can change randomly). Arduino Mega Board. Hi folks, I am trying to read the maximum voltage value from analog input using the following code: void setup() { Serial. 3V boards) for HIGH, 0V (ground) for LOW. Now comment the pinMode line so that the firmata does not make any analog pin input Now go to void setup() function and explicitly define nature. For example, directly above the Arduino Uno logo you can spot an “8” next to a pin located at the edge of a 10 pin header. jdolecki September 28, 2022, 2:53pm 1. 1 pinMode (pin, INPUT); //configures pin as an input. In the case of the pull-up resistor, the Arduino pin is connected to 5v or 3. 65554c1. Note: I manually put a jumper wire from each digital and analog pin (one at a time) to a resistor, LED and GND pin. The Arduino pinMode() function sets the behavior of a specific digital IO pin to behave as an output pin or an input pin. A pinMode() call is included inside this function, so there is no need to set the pin as an output before executing this code. println(analogRead(A5)); } the analog input is connected to the breadboard via a 220 ohm resistor. 3 volts (on 3. Also the "analog" pins are perfectly normal digital pins too, if you use the numbers 14. pinMode(): used to call the potentiometer connected to the analog pin A0 as an INPUT pin , to give input value of voltage from the potentiometer; and to set LED at pin 13 as OUTPUT pin to give. pinMode() digitalRead. Unlike the PWM pins, DAC0 and DAC1 are Digital to Analog converters, and act as true analog outputs. As of Arduino 1. Current mode of pin, returned as a. Writes an analog value ( PWM wave) to a pin. Now looking at the reference page on the "high low tech" website they give each pin a number name (like "Pin 2") but they are also analog. Arduino pinMode() Function. 3. See the Digital Pins page for details on the functionality of the pins. The analogRead() function knows that the analog pin is input. We use pinMode (A0, INPUT) to set the A1 pin to input mode. The analog input pins can be used as digital pins, referred to as A0, A1, etc. /* Button Turns on an LED when a switch connected from #0 to ground is pressed This example code is in the public domain. Arduino board; Potentiometer It is important to note that a majority of Arduino analog pins, may be configured, and used, in exactly the same manner as digital pins. Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground. And the serial output result is. Pins Configured as INPUT. Example code HC-SR04 with I2C LCD and Arduino. Press and keep pressing the button several seconds. Digital Input. analogWrite (enA, 128); analogWrite (enB, 128);Emad joon: 1- Check that the ground of your joy stick and the Vdd is connected to your arduino. También está función es. ATmega328P does this only for PORTC (has Analog function). The setup function looks almost the same as before. Thiết đặt Digital Pins như là INPUT, INPUT_PULLUP, và OUTPUT. Step 4: Fade Circuit Starter. For example, the code would look like this to set analog pin 0 to an output, and to set it HIGH: 1 pinMode(A0, OUTPUT); 2 digitalWrite(A0, HIGH); Hi all, I was wondering if I can use pinMode on analog inputs without problems. As of Arduino 1. I want to detect the simple DC voltage using arduino Mega . You don't need to set it as input. The exception is the Arduino Nano, Pro Mini, and Mini’s A6 and A7 pins, which can only be used as analog inputs. OUTPUT); pinMode (ANALOG_WRITE_PIN_UNDER_TEST, OUTPUT); } // the loop function runs over and. One solution for looping over the analog pins would be this: Here's the code. We MUST use an external resistor. Pins configured this way. Configures the reference voltage used for analog input (i. Although Arduino’s function pinMode() sets the pins as inputs or outputs, neither do they always need to be set, nor they will always work as we expect them to. Just to recap - our setting of attachInterrupt. NOTE: Digital pin 13 is harder to use as a digital input than the other digital pins because it has an LED and resistor attached to it that's. Writes an analog value ( PWM wave) to a pin. But, in this case, the 1 is interpreted as an analog pin #, only when it is used in an analog related command. Tidak ada returns. Notes and Warnings. After a call to analogWrite (), the pin will generate a steady rectangular wave of the specified duty cycle until the next call to analogWrite () (or a call to digitalRead () or digitalWrite ()) on the same pin. Questions: Why does the analogRead function reports 654 (also when board disconnected)And besides pinmode(A0, OUTPUT_PULLUP) would not be a valid command, pinMode(A0, INPUT_PULLUP) would be. The function of Arduino pinMode is primarily to set the pin direction to either input or output where you use digitalRead to get the state of the pin for input, or digitalWrite to set the pin to 0V or 5V for output. . 3V – 5V. The 555 timer acts as a comparator that converts the analog signal from the receiving LED into a digital signal that can be detected by the Arduino. To make an Arduino LED Dimmer project, you need to use a PWM output pin and an analog input pin (for the potentiometer) 1- Set an IO pin as an output pin using the pinMode function. The Arduino functions have different calls depending on the pin type. Für mehr Informationen siehe: Beschreibung der digitalen Pins. See the Digital Pins page for a. If order of pin configuration is changed everything is OK. h but didn't find anything defined there for analog pins so i am not sure How to handle this. In order to configure a digital IO pin as an input, we need to use the pinMode() function. One is transmitter which outputs ultrasonic sound pulses and the other is receiver which listens for reflected waves. It will use the LED as an indicator for telling if the device is in active state or sleep state. Yes, setting a pin to OUTPUT and setting it LOW effectively connects the pin to ground (via a few ohms of resistance). Digital control is used to create a square wave, a signal switched between on and off. Re: Analog pin reading. 0. Unlike the PWM pins, DAC0 and DAC1 are Digital to Analog converters, and act as true analog outputs. Description. 2019-07-03. The Arduino pinMode() function sets the behavior of a specific digital IO pin to behave as an output pin or an input pin. The Arduino Web Editor allows you to write code and upload sketches to any official Arduino board from your web browser (Chrome, Firefox, Safari and Edge) after installing. 1 /*. First, you need set the GPIO you want to control as an OUTPUT. 19 numbers work with analogRead () too. A partir de Arduino 1. AnalogWriteMega - Fade 12 LEDs. Task 3: Power on LED 3 if the push button is pressed. PinMode is a function to defined if a pin is an input or output. analogWrite(thisPin, brightness); delay(2); } This loop subtracts a point from the brightness variable, dimming the LED back down to 0. 3V on 3. 3V on 3. pinMode (), digitalRead (), dan digitalWrite (), adalah sebuah fungsi untuk mengakses pin digital yang ada pada Arduino. ESP32 Control Digital Outputs. Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure. As mentioned above, we first need to replace pinMode (). The DDR register, determines whether the pin is an INPUT or OUTPUT. Arduino: Manual de Programación 4 control de flujo if if… else for while do… while E/S digitales pinMode(pin, mode) digitalRead(pin) digitalWrite(pin, value) E/S analógicas. After a call to analogWrite (), the pin will generate a steady rectangular wave of the specified duty cycle until the next call to analogWrite () (or a call to digitalRead () or digitalWrite ()) on the same pin. Is there a way to set pinMode for multiple inputs at once? Or do I have to do them all individually? Thanks,John Example pinMode (2,3,4,5, INPUT_PULLUP);. Analog joysticks are typically calibrated so that the centre position produces a voltage of zero. Open Arduino IDE, select the right board and port. The Axs are analog pins and the Dxs are digital pins. Forum 2005-2010 (read only) General Frequently-Asked Questions. On Arduino boards with the ATmega168/328, this function works on pins 3, 5, 6, 9, 10, and 11. void setMotor (int speed, boolean reverse) { analogWrite. The difference between int and const int is that int is read/write while const int is read-only. You do not need to call pinMode() to set the pin as an output before calling analogWrite(). and an output pin that is left in a HIGH state will have the pullup resistors set if switched to an input with pinMode(). This seems like the one shot button press you want (not tested). Perhaps the easiest to use is an analog sensor, where we communicate a range of values through altering the voltage input fed into an Arduino analog pin (usually between 0-5 volts). You will need an Arduino, a push button, a 10Kohm resistor, a solder less breadboard and some jumper cables. 1 ist es möglich, den internen Pull-Up-Widerstand mit dem Modus INPUT_PULLUP zu setzen. I have work around for this but I don't want to try that without understanding this. Board. 0. When A0 is switched to digital output and then back to analogRead (A0) gives a value of -+ 240 and this. + (VCC) pin: supplies power for the sensor. 0. In this case it reports 654 on idle and above when a button is pressed. Add PWM output to your sketch using the analogWrite () function. Can be used to light a LED at varying brightnesses or drive a motor at various speeds. The I2C protocol is supported on all Arduino boards. Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure. The analog output returns a high value when no touch is detected, the value depends on the supplied voltage and the position of the potentiometer. 1 volts on the ATmega168 or ATmega328P and 2. 3V) para valores inteiros entre 0 e 1023. are mapped to different values (for instance it looks like A0 is 18 on some boards but 14 on others. You will see: DC motor is speeded up and then rotates at the maximum speed 1 second. Digital Pins. See full list on arduino. You don't need to set it as input. Common Cathode and Common Anode RGB LEDs. To prevent the unknown state a pull-up resistor will ensure the state on the pin is low. The content is modified based on. They can be powered by the Arduino 5V pin, and to read the voltage, you use an analog pin. The device will be in sleep state for 5 seconds. I wish there is an option for output_pullup. Calibration - Define a maximum and minimum for expected analog sensor values. If you try to take an analog. Board. So I dare you, set the mode of the pin using the pinMode(A0, INPUT) function inside the curly. Meanwhile, the other (digital) option is to use pins 11, 12, 13, and GND by attaching the module to the. Except for the very first one, each ADC conversion takes 13 ADC clock cycles, i. Finally, wire one motor to terminal A (OUT1 and OUT2) and the other to terminal B (OUT3 and OUT4). The MAX485 RS485 Transceiver Module is used when transferring data between Arduino boards. pinMode( x , y ); คือคำสั่งที่มีไว้สำหรับกำหนดการทำงานของ pin ที่ต้องการใช้งาน. Hi all, I have read in the reference that the arduino has internal pullup resistors and you can set them by doing the following. Description of the digital pins. setFirmwareVersion(FIRMATA_MAJOR_VERSION, FIRMATA_MINOR. Pins A0 to A5 are digital pins with analog read as a special function. To set the values of Arduino pins 8 and 9, we have used the digitalWrite() function, and to set the value of pin 2, we have to use the analogWrite() function. noTone() pulseIn() shiftIn() shiftOut() tone(). Task 1: Blink LED 1 every second. Board. h but didn't find anything defined there for analog pins so i am not sure How to handle this. digitalWrite (pin, HIGH); // turn on pullup resistors. Supply it the minimum and maximum possible values of the A/D output, and the minimum and maximum inputs to the PWM. 0049 volts (4. In other words, if the arduino card has to wait some values from pin or give some values to it to control a component for example. This function converts the value of an analog input pin’s voltage and returns a digital value from 0 to 1023, relative to the reference value. Konfiguriert den spezifizierten Pin als Input oder Output. Extend GPIO mode. input, output. It defaults to 8 bits (values between 0-255) for backward compatibility with AVR based boards. pinMode (pin, INPUT); // set pin to input. 0. DDR is a generic name and ATmega328P has three DDRs which are called DDRB, DDRC and DDRD. LarryD: If you want. Quick Steps. The analog input pins can be used as digital pins, referred to as A0, A1, etc. If a pin is in output mode then the corresponding bit in DDRx will be 1. And for the analog pins, it takes what the user asked to have (input or output) for each pins as a byte, and write it on the arduino like this DDRC = 0b00000001; I did it that way cause I thought you had to precise the pinMode for analog pins, and also as I don't know beforehand how many pins the user would like to activate that saves a lot of. For this example, it is possible to use the board's built in LED attached to pin 13. Methode 2. The Arduino RP2040 Connect operates at 3. They are enabled by issuing a command such as digitalWrite(A0, INPUT_PULLUP); // set pullup on analog pin 0 Be aware however that turning. 3V of Arduino. pinMode ( 8, OUTPUT );The Arduino programming language Reference, organized into Functions,. I am trying to use Arduino analog pins (A0-A5) as digital pins (D14-D19) with pyfirmata. The Arduino, which uses the ATMega328p, is actually the same as a PIC16F877A when it comes to pin manipulation. pinMode() - Documentação de Referência do Arduino Esta página também está disponível em outros 2 idiomas. On an atmega328 Arduino pin 14 ( or A0 ) is. Depending on the board you are using A0,A1,etc. 0V input suitable for the TOUT pin. This is known as a voltage divider. Chân kỹ thuật số có thể được sử dụng như là INPUT, INPUT_PULLUP , hoặc OUTPUT . The exception is the Arduino Nano, Pro Mini, and Mini’s A6 and A7 pins, which can only be used as analog inputs. when using them for digital I/O. In the void loop section we have used analogWrite function and given it pin number 3 and analog value 128 as parameter. Sets pinMode to output right there. pino: the número do pino do Arduino no qual se quer configurar o modo. KY-036 Arduino Code. When you press the button, the states becomes LOW. See Also: pinMode(). And then you can call the digitalRead() function to get the pin state HIGH or LOW. Yes thats what i found by accident. The analog pins can be used identically to the digital pins, using the aliases A0 (for analog input 0), A1, etc. mode: INPUT, OUTPUT atau INPUT_PULLUP. Yes, the analog pins must be addressed using A0, A1,. You do not need to call pinMode() to set the. It is not necessary to use A0 to refer to analog pin 0. pinMode is actually declared as void pinMode (uint8_t, uint8_t); in arduino. See the change of. The main difference between pinMode and accessing the registers directly is the timing. The exception is the Arduino Nano, Pro Mini, and Mini’s A6 and A7 pins. Description. Hello, Since all the digita pins are in use I want to use the A0 as digital output to light up an IR led. If the pin is configured as an INPUT, digitalWrite () will enable ( HIGH) or disable ( LOW) the internal pullup on the input pin. I will use three different programs to explain how this sensor can be used to detect vibrations. Hakko FX-888D Review. 1, it is possible to enable the internal pullup resistors with the mode INPUT_PULLUP. For analogWrite () it means analog input pin 3 but since that is not a PWM pin (on the UNO, at least) you will only get LOW and HIGH instead of PWM. Use configurePin in a MATLAB ® Function block with the Simulink ® Support Package for Arduino Hardware to generate code that can be deployed on Arduino Hardware. The exception is the Arduino Nano, Pro Mini, and Mini's A6 and A7 pins, which can only be used as. Define analog pin as output. Additionally, the INPUT mode explicitly disables the internal pullups. Add a resistor of 4. pinMode(redPin, OUTPUT); // red LED is as an output pinMode(greenPin, OUTPUT); // green LED is as an output // Note: analog pins are automatically set as inputs } void loop() { potValue = analogRead(potPin); // read the value from the. Pin mapping. AnalogInput: acquire analog signals from pin. Pingback: baldengineer | When to use Arduino’s pinMode() (and why) Write A Comment Cancel Reply. INPUT. Moreover,. You do not need to call pinMode() to set the pin as an output before calling analogWrite(). The chips used on the Arduino board (the ATmega8 and ATmega168) have three ports: B (digital pin 8 to 13) C (analog input pins) D (digital pins 0 to 7) Each port is controlled by three registers, which are also defined variables in the arduino language. , A0 is 14 for the Uno, see the file pins_arduino. To prevent the unknown state a pull-up resistor will ensure the state on the pin is low. Can be used to light a LED at varying brightnesses or drive a motor at various speeds. Let’s start multitasking. These two digital pins of Arduino control the direction of the motor. Current mode of pin, returned as a character vector. Take a look at the pin mapping of the ATMega328 with the corresponding Arduino pins:Copy Code.