![]() I2C Communication: The boards also support I2C communication that comes with two pins SDA and SCL. ![]() SPI Communication: The unit supports SPI communication protocol in which four pins 10(SS), 11(MOSI), 12(MISO), and 13(SCK) are used to carry out this communication. The RX pin is used to receive serial data while the TX pin is the transmission pin used to transmit serial data. USART: The board comes with USART serial communication protocol that carries two pins RX and TX. There are marked as T0 at pin 4 and T1 at pin 5. Programming Header: FTDI six-pin programmer is incorporated on board which is used to upload the code into the controller.Įxternal Interrupts: Two external interrupts (also known as hardware interrupts) are available on the board. GND: 3 ground pins are available on this device. 5V or 3.3V based on the board you’re using. Vcc: 2 Vcc pins are incorporated on the board which provides regulated voltage i.e. Providing LOW value to these pins will reset the board. These pins are useful to reset the board if your code hangs up in the middle of a running program. Reset Pins: 2 reset pins are available on this unit. PWM Pins: 6 PWM pins are incorporated on the board which can control the speed of the motor of the brightness of the LED. In this section, we’ll discuss the pin description of each pin available on the board.ĭigital I/O Pins: you’ll find 14 digital I/O pins on board that is used for the connection with external components.Īnalog Pins: 8 analogue pins are available on the board which can measure the voltage from 0 to 5V. Now you’ve got a little intro about Arduino Pro Mini. The following figure shows the pinout diagram of Arduino Pro Mini. The Arduino Pro Mini is very small in size which means it is a right match for projects that require less space and fewer GPIO pins. The flash memory of the controller is 32KB (of which 0.5KB is used for the Bootloader) which is used to store the code while EEPROM is 1KB and SRAM is 2KB. The board comes with a built-in LED connected to pin 13 plus it also includes a reset button which is used to reset the board. Moreover, there are two voltage regulators on Arduino UNO while Arduino Pro Mini features only one voltage regulator.Īrduino Pro Mini features 14 digital I/O pins of which 6 are used for PWM output and 8 analogue pins are incorporated on the board that labels from A0 to A7. ![]() This unit is almost similar to the Arduino Uno board but comes in small size and doesn’t include a USB port and built-in programmer. one runs at 5V with 16MHz clock frequency while the other runs at 3.3V with a clock frequency of 8MHz. This board is available in two versions i.e. What is Arduino Pro Mini?Īrduino Pro Mini is a small, compact, open-source development board based on the Atmega328 microcontroller. if you find any difficulty in designing and developing your boards, you can get help online without even paying a penny. ![]() Plus help from the Arduino community is readable available i.e. Arduino is an open-source platform which means you only need to pay for the board and you can program these boards free of cost using Arduino IDE software. Arduino provides both software and hardware platforms for non-tech people who fear developing electronic circuits from the get-go. I’ll cover each and everything related to Arduino Pro Mini including What is Arduino Pro Mini, pinout, pin description, how to program it, and applications.Īrduino boards are the electronic development boards used in embedded systems, automation, robotics, and other electronic projects. In this post today, I’ll walk you through the Arduino Pro Mini in detail. ![]()
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