Check the listing for details. 3pcs For Arduino UNO R3 Development Board ATmega328P ATMEGA16U2+ 3pcs USB Cable. Condition: New. Listed at 17.89 USD. Description：Main Changes from the old version:1. Adding two rows of the holes for the pins, so it can be connected with normal Dupond lines.2. Adding 3 rows of the holes for wiring.3. ATmega16U2 is replaced by CH340G.4. Plug and Play, the driver will be installed automatically.5. Select the board UNO inside the DIE.6. Interface: Common Micro USB interface, can use the phone charging cable, easy to use. Package included:3 * UNO R3 ATMEGA328P-16AU CH340G Micro USB (with 3 USB Connection Cables) On Mar 23, 2023 at 20:53:08 PDT, seller added the following information:Description：Main Changes from the old version:1. Adding two rows of the holes for the pins, so it can be connected with normal Dupond lines.2. Adding 3 rows of the holes for wiring.3. ATmega16U2 is replaced by CH340G.4. Plug and Play, the driver will be installed automatically.5. Select the board UNO inside the DIE.6. Interface: Common Micro USB interface, can use the phone charging cable, easy to use. Package included:3 * UNO R3 ATMEGA328P-16AU CH340G Micro USB (with 3 USB Connection Cables) On Mar 23, 2023 at 20:53:08 PDT, seller added the following information: