 | Adding Sound to your Models
 Find out how you can use sound generator ICs to create special sound effects for your models. |
 |  | Building a Power Supply
 In part 1 of this series we look at the building blocks of a power supply system and explain the terms AC and DC. |
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 | The Transformer
 Part 2 of our power supply series briefly describes the principles of the transformer. |
 |  | The Rectifier
 Find out how to build a half or full-wave rectifier for your power supply in the third part of our power supply series. |
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 | Smoothing
 A single capacitor provides near-DC in part 4 of our power supply series. |
 |  | The Regulator
 In the final part of our power supply series, we look at voltage regulators which produce a true DC supply. |
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