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.
As you can see from the image on top of the page the ICSP/SPI connector proper of the Arduino™ Pinout is moved to the bottom side of the UDOO X86 board. If you need to use a shield that communicates through this connector you need to connect the pins accordingly. Description. The Micro ATmega32U4-MU is a tiny microcontroller board based on the ATmega32U4. It has 20 digital input/output pins (7 of which can be used as PWM outputs and 12 as analog inputs), a crystal oscillator, a micro-USB connection, an ICSP header and a reset button. Interrupts Allow program to respond to events when they occur Allow program to ignore events until the occur External events e.g.: UART ready with/for next character ATmega32U4 running at 5V/16MHz Supported under Arduino IDE v1.0.1 On-Board micro-USB connector for programming 4 x 10-bit ADC pins 12 x Digital I/Os (5 are PWM capable) Rx and Tx Hardware Serial Connections Our Smallest Arduino-Compatible Board Yet. Note: When you open the Arduino IDE software, pls go to the Tool and choose the board “Arduino ...
Pro Micro ATmega32U4 5V 16MHz Micro-USB Development Module Board with 2 Row pin Header Compatible arduino Leonardo Replace ATmega328 Pro Mini 5.0 out of 5 stars 3 $8.96 $ 8 . 96 1.0 pinout: added SDA and SCL pins that are near to the AREF pin and two other new pins placed near to the RESET pin, the IOREF that allow the shields to adapt to the voltage provided from the board. Note: The second is not a connected pin. Stronger RESET circuit. ATmega16U2 replace the 8U2. Arduino Leonardo
cdn.sparkfun.com Arduino ATmega328 Pinout. For those of you who are using an ATmega328 with the Arduino Bootloader code on your own circuit board here is the pinout details which shows the chip pin numbers and the associated Arduino pins Mar 05, 2018 · For those getting leonardo board errors: I was having trouble with the Arduino writing to my Pro-Micro because the most recent leonardo drivers (1.6.23 newest as of Jan 2019) weren’t compatible with the code or something, so what i did was go back to a previous version, 1.6.22, and it seemed to like that and wrote just fine. The ATmega32u4 microcontroller is an excellent choice for any HID device, such a mouse, a joystick or a keyboard. That's mostly because it has hardware USB support, so you don't have to muck about with unreliable and hacky bit-banged VUSB. EEPROM 1 KB (ATmega32u4) Clock Speed 8 MHz; PinOut. Esplora. The Arduino Esplora is a microcontroller board derived from the Arduino Leonardo. The Esplora differs from all preceding Arduino boards in that it provides a number of built-in, ready-to-use set of onboard sensors for interaction.