ARDUINO Leonardo (+headers)
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ARDUINO Leonardo (+headers)
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Description
Specifications
The Arduino Leonardo is a microcontroller board based on the ATmega32u4. It has 20 digital input/output pins (of which 7 can be used as PWM outputs and 12 as analog inputs), a 16 MHz crystal oscillator, a micro USB connection, a power jack, an ICSP header, and a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
The Leonardo differs from all preceding boards in that the ATmega32u4 has built-in USB communication, eliminating the need for a secondary processor. This allows the Leonardo to appear to a connected computer as a mouse and keyboard, in addition to a virtual (CDC) serial / COM port.
| Microcontroller model | ATMega32u4 |
| Microcontroller frequency | 16 MHz |
| Flash memory | 0.032 MB |
| SRAM (Static Random Access Memory) | 2.5 KB |
| EEPROM (Electrically Erasable Programmable Read-Only Memory) | 1 KB |
| Wi-Fi | No |
| Ethernet LAN | No |
| USB ports quantity | 1 |
| Number of digital I/O pins | 20 |
| Number of analog I/O pins | 12 |
| PWM digital I/O pins | 7 |
| Form factor | Arduino |
| DC input voltage | 7-12 |
| Operating voltage | 5 V |
| Input voltage (max) | 6 - 20 V |
| DC current per I/O pin | 40 mA |
| Board dimensions | 53.3 x 68.6 mm |
| Weight | 20 g |
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