SNA Electronic moduleDevelopment board R3 UNO upgrade compatible with Arduino with motor drive chipCH340 TB 6612FNG SNA187
Digital I/O digital input/output terminal: 0~13. Analog I/O Analog input/output terminal: 0~5. Support USB interface protocol and
官网原始名称
Development board R3 UNO upgrade compatible with Arduino with motor drive chipCH340 TB 6612FNG SNA187
来源：Makerbuying 官网 · 采集日期：2026-11-04。原始名称中的编号与版本写法保留来源信息，具体参数、套装内容和兼容性请以官网确认结果为准。
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Original product documentation
Archived from the official source. Refer to the source product page for the latest specifications and configuration.
Digital I/O digital input/output terminal: 0~13.
Analog I/O Analog input/output terminal: 0~5.
Support USB interface protocol and power supply (without external power supply).
Support ISP download function, support MCU TX/RX terminal.
Support AREF terminal
Support six sets of PWM terminals (Pin11, Pin10, Pin9, Pin6, Pin5, Pin3)
Input voltage: no need for external power supply or external 7V~12V DC input when connected to USB
Output voltage: 5V DC output and 3.3V DC output and external power input
Using Atmel Atmega328P-PU MCU
Arduino size: length 70mm X width 54mm
8 groups of digital signal interfaces, 6 groups of analog signal interfaces, IIC interfaces, serial communication interfaces, and a motor drive interface.
CH340 USB to TTL chip driver
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