Product: ElectroCookie Solderable Breadboard PCB Board for Electronics Projects Compatible for DIY Arduino Soldering Projects, Gold-Plated (5 Pack + 1 Mini Board, Blue)
Brand: ElectroCookie
Color: 1.Blue
Brand : ElectroCookie 
 PCB type: Double-sided 
 Surface finish: Gold plated to prevent oxidation 
 Color: Blue 
 Dimensions: 3.5"x2.05" (88.9mm x 52.1mm) 
 Through hole diameter: 0.047" (1.2mm) 
 Mounting hole: M3 (Ø3.2mm) & M2 (Ø2.2mm) 
 Trace width: 0.04" (1mm) 

Useful in transferring breadboarded prototypes to reliable and permanent circuits
Popular breadboard alignment for versatile prototyping purposes
Adaptable with a variety of MCU boards. Compatible with Arduino Nano, Pro Mini, NodeMCU, etc.
Gold plated finish to prevent oxidation, and all holes are through-plated for mounting strength
Lead free and RoHS compliant, longer shelf life

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