UNO Proto Shield Prototype Expansion Board with SYB-170 Mini Breadboard Based for ARDUINO UNO ProtoShield. 1 reset button, 1 general use button, and 2 LED circuits can be used directly. Prototype size: About 2.72*2.09*0.71″ (69*53*18mm) Mini breadboard size: About 1.85*1.38*0.35″ (47*35*9mm) All of the pins and the power leads are very fit and build circuit prototyping with Ardui-no. Arduino protoshield prototype with 170 mini breadboard
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