LM393 is an open-collector output voltage comparator with two independent voltage comparators inside, and the output of each comparator has an open-collector structure. To make the comparator output a valid high level, the output terminal needs to be connected to the positive pole of the power supply. The value of the resistance depends on the size of the load. If you are interested in LM393, you can click on the following link:
https://www.utmel.com/componen....ts/lm393-low-offset-
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LM393 Dual Comparator vs. LM358 Dual Op-Amp: Are they interchangeable? The LM358 Op-Amp and the LM393 Comparator are two common jellybean components that are characterized by their ease of use and availability. Outwardly, the LM358 and LM393 are very similar–they come in the same package and with the same pinout, but there are fundamental differences to both chips, which we will be taking a look at in this article. If you are interested in it, you can click on the following link:
https://www.utmel.com/componen....ts/lm393-dual-compar
BALO VAI DU CO CHONG THAM NƯỚC KHONG?
Vải dù là một trong những loại chất liệu phổ biến, được ứng dụng rất nhiều trong cuộc sống từ balo, túi xách cho đến quần áo. Đặc biệt, chiếc balo vải dù hiện đang rất được ưa chuộng bởi có ưu điểm khá lớn về thiết kế, màu sắc, tính năng. Tuy nhiên, vẫn còn rất nhiều người chưa thực sự hiểu rõ về loại vải này cũng như khả năng chống thấm của nó.
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Nguồn: https://natoli.vn/blogs/news/balo-vai-du
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Lime Essential Oil is extracted from the Peels of Citrus Aurantifolia or Lime through the method of Steam Distillation. Lime is a world-known fruit and is native to Southeast Asia and South Asia, it is now grown all around the world with slightly different varieties. It belongs to the family of Rutaceae and it is an evergreen tree.
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CR2430 coin cells have a diameter of 24.5mm and a height of 5.0mm. They're non-rechargeable lithium batteries with a long shelf life that makes storing a breeze. CR2430 batteries have a 300mAh capacity and a temperature range of -30 to +60 degrees Celsius.
This battery model works for brands of cameras, calculators, and other handheld electronic devices that use this size of the battery and has higher power than equivalent models of zinc batteries. Users can stock up and keep a regular supply on hand because the product has a lengthy shelf life of up to 10 years.
More details:https://www.utmel.com/componen....ts/battery-cr2430-3v