Arduino Nano CH340 with pre-soldered pins is a compact microcontroller board based on ATmega328P, ready for breadboard use and DIY projects.
Microcontroller: ATmega328P
USB-to-Serial Chip: CH340
Operating Voltage: 5V
Input Voltage (Recommended): 7–12V
Digital I/O Pins: 14 (6 PWM capable)
Analog Input Pins: 8
Flash Memory: 32 KB (0.5 KB used by bootloader)
SRAM: 2 KB
EEPROM: 1 KB
UART: 1 hardware serial port
Programming: Arduino IDE
Form Factor: Breadboard friendly
Features: Pins pre-soldered for easy use, CH340 USB interface
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Arduino Nano CH340 unsoldered board is a compact microcontroller board based on ATmega328P with CH340 USB-to-serial chip, ideal for DIY electronics projects.