Green PCB, Single Sided (FR4)

Green FR4 (glass epoxy) prototype boards with tinned pads on one side, 2.54 mm pitch. Stronger than brown phenolic and the pads survive re-soldering. Sizes from 2x8 cm to 20x30 cm.

Which board do I need? Answer 3 questions to find the right type
1. What are you making?
2. Which matters more?
3. How many sides?

The four board types in one look

Breadboard Push parts in, no solder. Reuse it again and again.
Zero PCB (brown) Phenolic, single sided. Cheapest way to solder a circuit.
Green PCB (FR4) Glass epoxy, stronger pads. Single or double sided.
Copper clad Solid copper sheet. Etch or mill your own tracks.

Size tip: the 2nd photo on each board shows it to scale next to an Arduino Uno (6.9 x 5.3 cm). Double sided boards have plated holes, so joints are stronger and pads lift less often. Etching copper clad needs ferric chloride, listed in the copper clad section.

About Green PCB, Single Sided (FR4)

Green FR4 (glass epoxy) prototype boards with tinned pads on one side, 2.54 mm pitch. Stronger than brown phenolic and the pads survive re-soldering. Sizes from 2x8 cm to 20x30 cm.

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