Arduino Nano R3 DollaTek Prototype PCB For ArduinoUNO R3 Shield Board DIY Circuit Imprimé A Souder DollaTek 4 in 1 Verbindungspunkte lötfreies PCB Breadboard 700 Tiepoint it only a substitute accessories from DollaTek Material: high quality FR-4 glass fiber PCB. PROTOTYPE PCB BOARD For Arduino R3 ATMEGA328P Shield Board Breadboard EUR 1,19 - PicClick DE All holes are plated through All holes are plated throughTop and bottom side are identical copper layers. you need to weld the pins by yourself. DollaTek Prototype PCB for ArduinoUNO R3 Shield Board DIY, Combo 2mm + 2., 54mm PitchPCB Dimension: 68., 58mm x 53., 34mm / 2., 7 x 2., 1PCB Thickness: 1., 6mmMaterial: high quality FR-4 glass fiber PCB.