SainSmart UNO Microcontroller: ATmega328 Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 14 (of which 6 provide PWM output) Analog Input Pins: 6 DC Current per I/O Pin: 40 mA DC Current for 3.3V Pin: 50 mA Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by bootloader SRAM: 2 KB (ATmega328) EEPROM: 1 KB (ATmega328) Clock Speed: 16 MHz SainSmart Sensor Shield V4 Operating Voltage: 5VDC Input Voltage (recommended): 7-12VDC Input Voltage (limits): 6-20VDC Buckled Analog Port: Handy, solid connection to 6 Analog inputs with VCC/GND Digital IO port:13 ports prepared to digital modules or servos Analog IO Port:2.54 grid male pin header connections Buckled Communication Port: Selectable between I2C and UART SainSmart 20x4 LCD Interface: I2C I2C Address: 0x27 Pin Definition : GND¡¢VCC¡¢SDA¡¢SCL Back lit (Blue with White char color) Supply voltage: 5V Pcb Size : 60mm¡Á99mm Contrast Adjust : Potentiometer Backlight Adjust : Jumper
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