How to use breadboard


Breadboard is a piece of hardware prototype stage for designing and building electronic devices. It allows you to build an electronic circuit without any soldering  instead, you poke your components and wires into the small contact holes arranged in rows and column connected by lines of metal, then you can connect your components together with single strand wires or breadboarding wires to form your circuit.

prototype stage for designing and building electronic devices

This is how the holes are interconnected electrically.Breadboard

  • Electrical connection remains same for the (1), (4) and (2), (3).
  • In (1), (4) rows are linked horizontally.
  • In (2), (3) columns are linked vertically.
  • There is no interconnection between (1), (4).
  • There is interconnection between the rows in (1), (4).
  • There is no interconnection between the columns in (2), (3).
  • There is no interconnection between (2), (3).
  • Usually (1), (4) is used for power supply connections as we find many supply points in the circuits.

Breadboard

If you want to make use of the entire row you need to short a jumper wire as shown in the figure belowBreadboard

Example Application: 

Breadboarding

Note:

  • Current and voltage limits – 100mA, 50V.
  • Contact wear-out – While building circuits make sure the wire pokes into the holes strongly.

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