1. Arduino can simply use sensors and connect various electronic components (such as LED lights, buzzers, buttons, photoresistors, etc.) to make a variety of interesting works. 2. Main control chip: ATMMega328P 3. SRAM: 2KB 4. Working voltage: 5V 5. Analog input pins: A0-A5 6. Input voltage: 7-12V 7. EEPROM: 1KB 8. Digital I/O pins: 0-13 (6 supports PWM) 9. Clock frequency: 16MHz 10. Memory: 32KB
