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10Pcs DS18B20 Temperature Sensor 18B20 TO-92 Encapsulation US$12.20 US$11.99 View It

Overall:

hvorfordetda 23/10/2018

I can't prove they are fake, but they don't behave like any of the 14 other DS18B20 I have, two different batches of 7 each.. When I test them, it is impossible to have more than three of them connected to the same bus. I can have all of the other 14 I have one the same bus, and I can have 3 of the ones I got from Banggodd in addition. Regardless of how I connect them, I can not have more than 3 of them connected at the same time. Only 3 (no other DS18B20's) is OK, 4 or more does not work. None of the DS18B20's on the bus is recognized if I have more than 3 of this batch. I bought 10 items. Five are well within the tolerances, five are outside. All items respond as expected to 9, 10, 11 and 12 bit resoulution settings, and they remember the setting when powered off. If you need less than four items on a bus, they will probably be OK, but expect some errors i the temperature readings. I add a picture showing the face of the case and it's batch number.

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Banggood Dear customer, Thank you for placing order in Banggood. We are sorry for any inconvenience caused by our product. About this product's problem, our customer services will connect to you within 24 hours and they will give you a solution. Please take notice of your email box. We sincerely hope the problem will be solved fast. Best regards, Banggood team
24/05/2024

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