A few more circuits are below.

Two LEDs wired up normally.

As above with a switch

Note: Switches should align to holes, as per previous images

Single LED wired up with two switches.

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Some of the larger breadboards have power rails that may not be connected, or you may want to put 2 normal size breadboards side by side and clip them together.

In this instance, it is useful to bridge the two sections or boards so the power rails run the full length.

The above illustrates how to do this.

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Where to get electronics parts from:

I have ordered from a company called Banggood. These links are just a guide, you can more than likely find good offers on the website.

• 8.5 x 5.5cm 400 Tie Points 400 Holes Solderless Breadboard Bread Board
• 120pcs 40PIN 20CM Dupont Line Male to Male + Male to Female + Female to Female Jumper Dupont Wire Cable for DIY KIT
• 3Pcs MB102 2 Channel 3.3V 5V Breadboard Power Supply Module White Breadboard Dedicated Power Module MB-102 Solderless Bread Board
• 500pcs 5MM LED Diode Kit Mixed Color Red Green Yellow Blue White + BOX
• Geekcreit 140pcs U Shape Solderless Breadboard Jumper Cable Dupont Wire For Shield
• 3pcs DC 9V Battery Button Power Plug Mega 2560 1280 UNO R3 132 9V Battery Buckle T Type
• 10PCS TMB09A05 9*5.5mm 5V Mini Active Buzzer Magnetic Piezo Element For Arduino Computers Printers
• 900Pcs 10 Values Tactile Push Button Switch Mini Momentary Tact Assortment Kit DIY
• Breadboard / Perfboard 2.1 mm jack socket note this has pins NOT lugs / tags.
  

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Now let's add a switch, so we can turn our LED on and off.

Depending on the type of switch you use, you may have to experiment with which in to connect. It should work as illustrated.

If you have a reed switch, you can try one too, and use a magnet to activate the switch.

An LED is like a bulb, but one way, the short lead goes towards the ground. As long as the resistor is in series, it can be before or after the LED.

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So now we have a powered breadboard, disconnect the power (important) and connect up a LED (Light Emitting Diode) and a resistor in SERIES.

An LED is like a bulb, but one way, the short lead goes towards the ground. As long as the resistor is in series, it can be before or after the LED.

NOTE ABOUT COMPONENTS

• Resistor value should be fine at 220 ohms or even 330 ohms if supply is 3V.
• The switch needs to be wired up properly, diagram is a guide, it depends on the switch you use.
  
• Experimentation is key
• If you require help, please ask an adult.

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As we are undertaking varied projects at Code Club, I am going to put together a guide on creating some simple circuits.

I have a few breadboard power supplies that connect to a breadboard as illustrated below.

The following video, illustrates how to create the diagram in Fritzing but if you follow the layout you can produce the same circuit with a breadboard and components.

I have embedded a video below.

The idea here is, that followers can both use software and real components to build up software, being able to plan where components are to go, can be really useful.

Note the orientation of the PSU so that the +v and gnd pins are also matching the rows for +v and gnd (red / blue)

Also note that the PSU as +v in and can produce either 3v or 5v, any circuits MUST be given the correct voltage as this will determine values of resistors used.

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