Arduino Uno R3 ATmega328P Microcontroller from China
The ATmega328P IC powers Arduino Uno boards, providing 8-bit AVR controller with ADC, PWM, and serial interfaces for hobbyist and prototyping projects. Classified under HTS 8542.31.0030 as a microcontroller electronic integrated circuit with embedded logic, timing, and converter functions.
Duty Rate — China → United States
50%
Rate breakdown
9903.91.0550%Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide technical specs distinguishing from MCUs vs processors; use HS explanatory notes for support
• Check for ITAR restrictions on AVR chips; label country of origin clearly
• Bulk import in trays; watch for minimum packaging requirements to avoid 'parts' reclassification