![]() ![]() ![]() There are connectors that also have a very important DTR pin. In this case, 5 V power is supplied to the module from a personal computer. A special cable connects to these inputs of the Arduino Pro Mini, as well as the VCC and GND pins. The microcontroller contains a USART interface, its RX and TX signals are brought out to the end of the board. For connecting unregulated voltage.Ī special FTDI FT232RL (or CH340G ) cable containing a USB-USART interface converter is used to connect to a computer. The Arduino Pro Mini can be powered via an FTDI FT232RL (or CH340G) cable, or from a converter board, or from a 3.3V or 5V regulated power supply (platform dependent) via the Vcc pin, or from an unregulated source via the RAW pin. Usually used to connect a reset button on an expansion board, which prevents access to the button on the Arduino board itself. A low signal level at the pin reboots the microcontroller. There is additional output on the platform: The pins provide I2C (TWI) communication using the Wire library. The measurement is relative to ground to the VCC value. Four of them are located at the edge of the platform, while the other two (entrances 4 and 5) are closer to the center. ![]() The Pro Mini platform has 6 analog inputs, each with a resolution of 10 bits (i.e., it can accept 1024 different values). If the pin has a high potential, the LED is on. Built-in LED connected to digital pin 13. These pins are used for SPI communication, which, although supported by the hardware, is not included in the Arduino language. Any of the pins provides PWM with a resolution of 8 bits using функцииanalogWrite(). See the function description for details attachInterrupt(). These pins can be configured to trigger an interrupt on either the lowest value, or on the rising or falling edge, or when the value changes. These pins are connected to the TX-0 and RX-1 pins of the six-pin block. The pins are used to receive (RX) and transmit (TX) TTL data. Each pin has a pull-up resistor (disabled by default) of 20-50 kOhm and can pass up to 40 mA. 1.2 Arduino Pro Mini ATmega328 3.3V / 8MHz 5V / 16MHzĪrduino Pro Mini Specifications Arduino Pro Mini ATmega168 3.3V / 8MHz 5V / 16MHzģ.35-12V (3.3V model) or 5-12V (5V model)ġ4 (6 of which can be used as PWM outputs)Īrduino Pro Mini ATmega328 3.3V / 8MHz 5V / 16MHzĮach of the 14 digital outputs Pro, using the function pinMode(), digitalWrite() and digitalRead() may be configured as input or output.1.1 Arduino Pro Mini ATmega168 3.3V / 8MHz 5V / 16MHz. ![]()
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