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| Introduction to some Electronic Devices: | Diodes,
light emitting diiodes (leds), and light dependant resistors (ldrs). From John Hennessy at juniorscience.ie. Excellent resource. |
5 Star | |
| Nice big diagram of an led | From explorelearning.com | ||
| Using leds in a seven-segment display | From explorelearning.com | Four Star | |
| Me using the site above | MyYouTube. 9 mins | ||
| What have sheep got to do with leds? | A very strange application of leds. Youtube | 5 Star | |
| Using diodes as polarity indicators | MyYouTube. 3 mins | ||
| Wonderful project using leds as a revision board | twitterpic | 4 Star | |
| History of 50 years of the LED | 4 mins audio file. | 3 Star | |
| Making LED Street Art | From HardScience on Youtube | 3 Star |