Each of the 14 digital pins on the Arduino Uno can be used as an input or output ... These pins are connected to the corresponding pins of the ATmega8U2 USB-to-TTL Serial chip. PWM: 3, 5, 6, 9, 10, ...

Then, an Arduino board might be exactly what you're looking for. This open-source hardware platform comes in a multitude of versions, from the classic Uno to ... introduces new pinouts and special ...

However, while the Uno is ... the Arduino Nano and Micro share some similar pinout configurations. They both have two GND pins, two reset pins, one AREF pin, and three power pins (3.3V, 5V ...

Retaining the Arduino UNO form factor shield compatibility and 5V operating voltage yet powered by a 32-bit Cortex-M4 and a 3-to-16x increase ... compatibility, pinout, voltage and form factor ...