This development board is perfect for larger projects that require multi-pin communication, analog and PWM. It also provides communication to microcontrollers via SPI, UART and TWI.

Specifications

• Operating voltage: 5 V
• Power Supply: 7 V to 12 V
• I / O pins: 54
  
• PWM pin: 15 (from the I / O)
• Analog pin: 16
• 4 x UART
• Flash Memory: 256 KB, which 8 KB busy bootloader
• Operating frequency: 16 MHz
• Size: 10 cm x 5.3 cm

Do not forget to install the driver (attached at the bottom) for chip CH340 before use.

To schedule board for other examples: Download Arduino IDE.