Solderable Breadboard Mini PCB Board Gold Plated 2.0x1.5 Mixed Color Pack 6 Pcs Package Dimensions: ‎2.83 x 2.05 x 0.55 inches This board is ideal for permanently transferring a prototype or experiment from a solderless breadboard by soldering all components securely in place. It accommodates various DIP-type components and is compatible with a wide range of MCU boards, including Arduino Nano, ESP8266, and NodeMCU. It is also suitable for use with any Raspberry Pi GPIO breadboard PCB. Featuring a gold-plated finish to resist oxidation, the high-quality gold surface ensures easy soldering. All holes are through-plated for enhanced mounting strength. The set includes six multi-color mini PCBs for small-scale prototyping, available in yellow, blue, red, black, white, and green. These boards are lead-free and RoHS compliant, contributing to a longer shelf life.