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Schematics help you understand how a particular electronics project works as well as how to build it. You can build the circuit ...
Interconnectionsamong components (how wires are connected to move elec- tricity from one component to another) in a circuit are ...
You’ll also find symbols for commonly used components, such as resistors, diodes, capacitors, and transistors, in schematics (se ...
You can think of a DPDT (double-pole double-throw) switchas containing two SPDT switches that switch in tandem. To see an exampl ...
Identifying the + lead on polarized capacitors and LEDs is easy because the + lead is longer than the ground lead. For transisto ...
Here’s what this schematic is saying: A batteryis used to supply 6 volts to the circuit. S1 is an SPST switchthat turns the po ...
The anatomy of a breadboard ............................................................ The breadboard itself is a plastic boar ...
Other contacts on the breadboard are linked vertically in rows of five; the five points are connected electrically by metal stri ...
Neatness counts:Take your time to make your board neat and tidy. This helps you to avoid mistakes and also helps you to troubles ...
Measure how long of a wire you need to make each connection. Strip off^1 ⁄ 4 " of insulation from each end. Better yet, buy pre ...
We bent the wires on the ceramic capacitors at a 45° angle so that the face of the capacitor is visible. That way, you can easil ...
these things together to provide an electrical connection between them. Solderis a metal material that you melt and apply to two ...
When you’re ready to solder, make sure you attach the best tip for the job; a smaller conical or chiseled tip is your best bet. ...
When you solder, hold the soldering iron just as you would a pencil (near the base) and be careful to avoid touching the very ho ...
Bend before you solder, Part 2.Before soldering a wire to a component that has presoldered flat contact pads, do the following: ...
Soldering extras .................................................................................... Your soldering iron and so ...
Measuring Stuff with a Multimeter............................................................... A multimeter(see Figure 4-15) i ...
Test leads that typically come with multimeters use simple cone-shaped tips. You can buy test clips that slip onto the cone-shap ...
get old, the voltage drops. If you get less than 5 volts from a 4-battery pack, it’s time to get new batteries. When a circuit d ...
@Spy Choosing plastic or wood You could build your own boxes, but you can find a large variety of contain- ers that you can simp ...
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