This article presents the design of an alcohol concentration detector based on the current situation, which has the following advantages compared to traditional alcohol detectors: (1) Small size, easy to carry; (2) Uses a 12-bit AD conversion chip for high accuracy; (3) Samples 20 times within one cycle and performs smoothing on the sampled data … Read more
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The tricky part is its strange display. In 2021, I purchased a Tandy Model 100 (often referred to as M100) for about $90 at the Vintage Computer Festival in the Eastern United States. This computer was first released in 1983 and is a pioneer of modern laptops, featuring a high-quality keyboard and an LCD display. … Read more
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