The Arduino Micro without headers, comes with in-built USB which is used to recognise the Micro as a mouse or keyboard. The Arduino Micro is a board which is based on ATmega32U4, it is developed in conjunction with Adafruit. It contains 20 digital input/output pins out of which 7 can be used as PWM outputs and 12 as analog inputs. In order to get it started, you just need to connect it with the computer using the USB and it is ready to run. It contains a form factor which will enable it to be easily placed on a breadboard.
Resources used for programming:
- Download software :
https://www.arduino.cc/en/Main/Software - Getting starter guide:
https://www.arduino.cc/en/Guide/HomePage - Step by step examples:
https://www.arduino.cc/en/Tutorial/HomePage - Programming reference:
https://www.arduino.cc/en/Tutorial/Foundations
Here are some of the technical specification for Arduino Micro without header:
| Microcontroller | ATmega32U4 |
| Operating Voltage | 5V |
| Input Voltage (recommended) | 7-12V |
| Input Voltage (limit) | 6-20V |
| Digital I/O Pins | 20 |
| PWM Channels | 7 |
| Analog Input Channels | 12 |
| DC Current per I/O Pin | 20 mA |
| DC Current for 3.3V Pin | 50 mA |
| Flash Memory | 32 KB (ATmega32U4) of which 4 KB used by bootloader |
| SRAM | 2.5 KB (ATmega32U4) |
| EEPROM | 1 KB (ATmega32U4) |
| Clock Speed | 16 MHz |
| LED_BUILTIN | 13 |
| Length | 48 mm |
| Width | 18 mm |
| Weight | 13 g |
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