Seeed Studio Bazaar Seeeduino Lotus - ATMega328 Board with Grove Interface Microcontroller: ATmega328P-MU and CH340 USB controller Operating Voltage: 5V Digital I/O Pins: 14, PWM Channels: 6 (Shared with Digital pins) , Analog Input Channels: 7 Clock Speed: 16 MHz Flash Memory: 32 KB (ATmega328P-MU) RAM: 2 KB (ATmega328P-MU) EEPROM: 1 KB (ATmega328P-MU)