IFD:Eclectic Electric!/DocumentationWS2013/Lydia Kluge/Exercise1: Difference between revisions

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Last but not least, our wiring diagram:
Last but not least, our wiring diagram:
[[File:Led-zero-one-two-way-connection-circuit.jpg|800px]]
[[File:Led-zero-one-two-way-connection-circuit.jpg|800px]]

Latest revision as of 21:36, 28 June 2014

Get That Soldering Done

Task

The task was to build a small circuit mainly in order to familiarise ourselves with a soldering iron.


Work

Tobias Wolf and I constructed a wooden display that either shows the number zero or the number one with the help of a drilled dot matrix and nine LEDs.

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To accomplish the change of the number we build a two-way connection; first we put one, two and two times three LEDs each in a series circuit and connected those in parallel. Next a resistor of 330 Ohm was used for the wiring with only one LED and a resistor of 220 Ohm for the one with two LEDs. That's slightly more resistance than needed but we assumed this wouldn't be a problem.

On top of this we improvised a toggle switch which connects the two LEDs either with the single LED to form the "1" or with the other six LEDs to form the "0".

Led-zero-one-two-way-connection-back.jpg Led-zero-one-two-way-connection-switch1.jpg Led-zero-one-two-way-connection-switch2.jpg


Circuit Diagram

Last but not least, our wiring diagram:

Led-zero-one-two-way-connection-circuit.jpg