Designed to mate with Arduino UNO and Arduino UNO SMD, 3.3–5 V-ready Color OLED Arduino Shields can also be breadboarded to any existing development board to help engineers begin development with Newhaven Display Color OLEDs. These RoHS-compliant shields come in 3 sizes with 1.27, 1.5, and 1.69 in. diagonals and have serial interface color OLED display module with single-row pin-out. Other features include built-in level shifting and Micro SD slot for expandable memory.