Chapter 04 – THE BREADBOARD

If you are a beginner with electronics may be you don’t know exactly how to use that strange component that is the breadboard. The main scope of the breadboard is the possibility to reuse components and to prototype circuits to be sure that are working correctly, a sort of solder less device.

A modern solderless breadboard consists of a perforated block of plastic with numerous tin plated phosphor bronze or nickel silver alloy spring clips under the perforations. The clips are often called tie points or contact points. The number of tie points is often given in the specification of the breadboard.

The spacing between the clips (lead pitch) is typically 0.1″ (2.54 mm). Integrated circuits (ICs) in dual in-line packages (DIPs) can be inserted to straddle the centerline of the block. Interconnecting wires and the leads of discrete components (such as capacitors, resistors, and inductors) can be inserted into the remaining free holes to complete the circuit. Where ICs are not used, discrete components and connecting wires may use any of the holes. Typically the spring clips are rated for 1 ampere at 5 volts and 0.333 amperes at 15 volts (5 watts).

[Source: Wikipedia}

The board provided with the kit has a lot of space, even for the creation of complex circuits.

The kit includes a full size version of the board, this because we are using a microcontroller that take several pins and also because the kit has the scope to create of even more complex circuits.

This is a schematic of wiring for the breadboard provided with the kit:

As you can see each hole has a link with another hole, the main usage is to take advantage of the links between different holes. A link between two or more holes means that you can connect more than one component together. Notice that the top two links and the bottom two are separated in the middle of the breadboard, this to allow to use different voltage if necessary. Each board can be normally stacked, linked one to each other, with normal wires.

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  1. [...] 01 – INTRO Chapter 02 – ELECTRONICS IN BRIEF Chapter 03 – A SMALL PROGRAMMING PRIMER Chapter 04 – THE BREADBOARD Chapter 05 – HARDWARE INSTALLATION Chapter 06 – INSTALL THE SOFTWARE Chapter 07 – [...]

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