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This one failed just slightly beyond the duration of its one-year warranty
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Challenge: given the conspicuous and obviously added-after-the-fact instruction sticker, find the HELP key on the stylin’ gray-on-black keypad.
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Pop quiz: how many safety violations can you count?
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A lens fell off a few days ago, at which point I realized that it was the second lens to fall off.
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I decided to modify the LiquidCrystal library to meet the data and timing requirements mentioned in the datasheet.
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Initializing one of those ubiquitous character LCD widgets is trivially easy after you realize that the data sheet is required reading.
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Every now and again the Arduino IDE spits out an error message along the lines of “couldn’t determine program size” or fails to compile due to a program error without emitting any error message at all.
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Invest in tools: put your money in metal!
The Smell of Molten Projects in the Morning 