[Unveiled] Reflective Cup & Lens

What is a reflective cup and what is a lens? This problem has puzzled me a long time ago. I believe many people think that the reflector and the lens are similar in the same way as I used to, but they are different in structu

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DS18B20 thermometer schematic

Factory direct 0603 emerald green, 0603 green (0.6 thickness) a lot of low price The probe domestically produced P02-B needle nickel-plated needle body diameter is 0.68. The length of the spring needle is DS18B20 thermometer schematic Power RelayPower R

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