Leonardo R3 for Arduino, Leonardo Microcontroller Atmega32u4 Development Board with Type-C USB Cable Compatible for Arduino DIY Starter Kit
19.99$
Specification parameter
| Board | |
| Name | Leonardo R3 |
| SKU | A1D0000 |
| Microcontroller | |
| AVR ATmega32u4 | |
| USB connector | |
| Type-C USB (USB-C) | |
| Pins | |
| Built-in LED Pin | 13 |
| Digital I/O Pins | 23 |
| Analog input pins | 12 （10-bit） |
| PWM pins | 7 |
| Communication | |
| UART | Yes |
| I2C | Yes |
| SPI | Yes |
| Power | |
| Input voltage (nominal) | 7-12V |
| DC Current for 3.3V Pin | 50 mA |
| DC Current for 5V Pin | 500 mA |
| DC Current per I/O Pin | 5V/40mA |
| Power Supply Connector | Barrel Plug（DC-005） |
| Clock speed | |
| Processor | ATmega32U4 16 MHz |
| Memory | |
| ATmega32U4 | 2.5KB SRAM, 32KB FLASH, 1KB EEPROM |
| Dimensions | |
| Weight | 20 g |
| Width | 53.3 mm |
| Length | 68.6 mm |
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