
Note: This product is discontinued, but you can purchase the Seeeduino Lite, which is an equivalent alternative that can be used instead.
Arduino Leonardo board digital input/output header pins; Arduino states the Leonardo has 20 digital input/output pins total.
Seven digital pins can be used as PWM outputs according to Arduino Leonardo specifications.
Twelve analogue input channels are available on the Leonardo board.
Board exposes I2C/TWI communication via the Leonardo header; Arduino documentation describes I2C/TWI support.
SPI communication is available through the ICSP header on Leonardo.
PWM · I2S · I2C · Logic level 5V board; input voltage and operating voltage sourced from Arduino store specifications. · 5V logic board
Confirm the data interface matches your host board.
Module pins: Power jack / VIN, 5V, 3.3V, GND, PWM D3, D5, D6, D9, D10, D11, D13, I2C SDA/SCL, SPI / ICSP header. Schematik maps them to your board in the app.
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Displays · TFT & LCD displays · 35 parts
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Boards · Microcontroller boards · 27 parts
Micro USB connection used for programming, serial/USB HID, and board power.
External power input through the board power jack or VIN rail.
Regulated 5V board rail.
3.3V output rail; Arduino store specifies 50 mA DC current for the 3.3V pin.
Board ground pins.
Reset pin/button resets the ATmega32u4 board.
Analogue reference pin for ADC reference voltage.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| Digital I/O D0-D13 | digital io | Arduino Leonardo board digital input/output header pins; Arduino states the Leonardo has 20 digital input/output pins total. | Logic level 5V board; input voltage and operating voltage sourced from Arduino store specifications. | |
| PWM D3, D5, D6, D9, D10, D11, D13 | pwm | Seven digital pins can be used as PWM outputs according to Arduino Leonardo specifications. | 5V logic board | |
| Analog inputs A0-A5 and D4/D6/D8/D9/D10/D12 as A6-A11 | analog input | Twelve analogue input channels are available on the Leonardo board. | 5V logic board | |
| I2C SDA/SCL | i2c | Board exposes I2C/TWI communication via the Leonardo header; Arduino documentation describes I2C/TWI support. | 5V logic board | |
| SPI / ICSP header | spi | SPI communication is available through the ICSP header on Leonardo. | 5V logic board | |
| Micro USB | usb | Micro USB connection used for programming, serial/USB HID, and board power. | USB 5V input | |
| Power jack / VIN | power | External power input through the board power jack or VIN rail. | Recommended input voltage 7-12V; limits 6-20V per Arduino store specifications. | |
| 5V | power | Regulated 5V board rail. | 5V | |
| 3.3V | power | 3.3V output rail; Arduino store specifies 50 mA DC current for the 3.3V pin. | 3.3V, 50 mA max | |
| GND | ground | Board ground pins. | 0V reference | |
| RESET | reset | Reset pin/button resets the ATmega32u4 board. | ||
| AREF | analog reference | Analogue reference pin for ADC reference voltage. |