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Small Scale Solar power presentation
I gave a “learning lunch” presentation on Small Scale Solar power today. We had a great audience, got great questions, and had fun doing it — despite the definite lack of sunshine to play with today....
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Boost your air conditioner’s cooling power by blocking “heat leaks”
A basic “5,000 BTU” air conditioner can pump about 1,500 Watts of heat out of a room every hour. To get more bang for your A/C buck, find the big ‘heat leaks’ in your room — and block them. Your air...
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Running 2 Amps of LEDs through an Arduino Nano
The Arduino Nano provides up to 0.5 Amps of regulated +5v output, on it’s “+5V” pin, which can drive between 10-30 addressable LEDs, depending on your chosen brightness and animation patterns. Even if...
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Cautionary Tales of Power
When doing an LED electronics project, there seem to be three big “P”s that have to be tackled: 1. Pixels (which ones, how many, what configuration?), 2. Programming (what do I want, and how can I do...
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