Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ 1. Compatibility: Fully compatible with Arduino MEGA. _x005f_x000D_ 2. Number of pins: with a large number of expansion pins, including digital I/O pins, PWM pins, analog input pins and so on. _x005f_x000D_ 3. Built-in power supply interface: Provides 5V and 3.3V regulated power supply interface for connecting external sensors and modules for power supply. _x005f_x000D_ 4. Large pad area: Provides a large pad area to enable users to make customized circuit connections and soldering. _x005f_x000D_ 5. Prototype Board Layout: A standard prototype board layout with multiple holes and pads is used to facilitate the user's circuit connections, component layout and soldering. _x005f_x000D_ 6. Material: FR-4 grade fiberglass double-sided board material is usually used, which has good insulating properties and mechanical strength. _x005f_x000D_ 7. Supporting software support: compatible with Arduino development platform, can use Arduino IDE for programming and firmware development. _x005f_x000D_ 8.Size: 103x56x18mm/4.06x2.2x0.71inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x R3 Prototype Shield V3.0 1. High-Quality PCB Gold Plating: The r3 Prototype shield V3.0 is processed using PCB gold plating technology, resulting in small and closely spaced golden square pads. This design makes it easier to solder components onto the board, providing convenience for electronics enthusiasts. 2. SOP28 Surface Mount: The surface mount component encapsulation in SOP28 package allows electronic hobbyists to work with ease. This prototype shield V3 eliminates the limitations of through-hole components and provides more flexibility during assembly. 3. Seamless Integration: This mini PCB breadboard can be seamlessly plugged into the Arduino MEGA controller, allowing direct soldering of components onto the shield. It enables the creation of various prototype circuits effortlessly and efficiently. 4. Mini Breadboard Compatibility: The expansion development board features a mini breadboard that can be attached easily. You can experiment with different circuit designs using colorful jumper wires. Additionally, the integrated power indicator and status LEDs provide visual feedback during use. 5. Reset Button and Easy Learning: The mega protoshield includes a reset button, making it convenient for learning and experimentation with the MEGA controller. It serves as an ideal tool for expanding your knowledge and skills in working with the MEGA controller's prototyping capabilities.