The total current of the pins – not more than 200 mA.Direct current for input and output 40 mA.14 pins, 6 of which are used as PWM pins.Operating voltage of 3.3V and 5V (depending on the model).Specifications of the Arduino Pro Mini microcontroller: It is initially sold with the firmware already installed. You will need special adapters to download the code. Traditionally, you write the sketch to the microcontroller via the Arduino IDE.

Which model it is should be indicated on the case. The first one uses a clock frequency of 8 MHz. There are two models of the Arduino Pro Mini microcontroller – 3.3V and 5V. Wiring can be done either through connectors or by hinged mounting. The connectors are not soldered to the platform. If the user burns the chip by applying an excessive voltage to it, it will be impossible to remove and replace it. Working with the Arduino Pro Mini needs to be done carefully. The Arduino Pro Mini has a slower speed than the Arduino Uno, but this has almost no effect on projects. There are also differences in the speed at which the chip operates. Instead, an FTDI converter interface wire or an optional Sparkfun board is used to create a connection to the computer. Their difference is the inability to flash the Pro Mini via USB-UART. The properties of the Arduino Pro Mini are similar to those of the Arduino Uno and Nano boards. 5 A Comparison of the Characteristics of the Different Arduino Boards Description of the Board

Download free mini usb pinout