Specifications:

Product Type: Dot PCB / Perfboard (Prototyping Board)
Board Material: Glass Epoxy (FR4)
Board Dimensions: 1.5 inch × 2 inch (approx. 38 mm × 50 mm)
Thickness: ~1.6 mm (standard)
Hole Type: Through-hole plated / non-plated (varies by manufacturer)
Hole Pitch (Spacing): 2.54 mm (0.1 inch standard grid)
Hole Diameter: ~0.8 mm – 1.0 mm (typical)
Pad Type: Isolated copper pads (dot matrix)
Copper Layer: Single-sided
Copper Thickness: ~35 µm (1 oz/ft² typical)
Surface Finish: Bare copper / HASL (varies)
Board Color: Usually Green (may vary)

1. What is a Dot PCB Prototyping Board?

A Dot PCB prototyping board is a general-purpose circuit board featuring a grid of isolated copper pads (“dots”). Each hole is electrically independent, allowing users to build and solder custom circuits without predefined connections.

2. What material is used in this PCB and why is it important?

This board is made from glass epoxy (FR4) material, which provides excellent strength, durability, and heat resistance. It ensures the board does not warp during soldering and offers better insulation compared to cheaper phenolic boards.

3. What are the dimensions and typical use cases of a 1.5" × 2" board?

The compact 1.5 inch × 2 inch size makes it ideal for small electronic projects such as sensor modules, Arduino interfacing circuits, DIY prototypes, and compact embedded designs.

4. How are components connected on a dot PCB?

Components are inserted into the holes and soldered onto the copper pads. Since pads are not interconnected, users must manually create connections using jumper wires or solder bridges to form the required circuit.

5. What are the advantages of using a dot PCB over a breadboard?

Unlike breadboards, dot PCBs provide permanent and reliable connections. They are more suitable for final prototypes or long-term use, as they eliminate loose connections and are more resistant to vibrations and environmental factors.