Prototype PCB boards (printed circuit board)

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A printed circuit board (PCB) is for mechanically support and electrically connect electronic components. It uses conductive tracks and other features.

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PCBs can be single sided (one copper layer), double sided (two copper layers) or multi-layer.

Conductors on different layers are connected with plated-through holes called vias.

Advanced PCBs may contain components – capacitors, resistors or active devices – embedded in the substrate.

Where to buy?

Cheap prototype boards can be found on Aliexpress:

 

20pcs 5×7 4×6 3×7 2×8 cm
double Side Copper
prototype pcb Universal Board
for Arduino
Free Shipping Dropshipping

Price: 5-6$ per lot
10Pcs DIY Prototype Paper PCB
Universal Experiment Matrix Circuit Board 5x7cm
Free shipping

Price: 3$ per lot
4pcs Double Side Prototype PCB Universal Board
5×7 4×6 3×7 2x8CM
free shipping
FA DIY Prototype Paper PCB Universal Board New
10Pcs 5x7cm
Copper Single Side PCB Electronic Components Supplies AF