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Michelvd No, the potentiometer is a part of the circuit (which is connected directly to mains power).

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Q: Can i look in this with my eye or smartphone compatible only?

Asked by Oliver Hriň on 2021-10-20 05:39:32

Michelvd You can use it with (one) eye too.. just leave the bracket off...

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Q: does it take 21700 battery?

Asked by BG322245211 on 2021-08-21 10:16:57

Michelvd Battery is not replacable as far as I can see

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Q: Are these waterproof?.

Asked by gunner on 2021-07-28 10:54:09

Michelvd No, these are not waterproof, you need the ones with silicon coating

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Michelvd Did you check if you got RX-TX the right way round ? According to documentation ESP32 RX is 34 and ESP32 TX is 12. Baudrate is normally 9600-n-8-1

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Q: Does it have english version ?

Asked by samsambm on 2020-10-01 00:52:07

Michelvd Yes and you can write your own software for it in the language of your choosing.

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Michelvd If you use Windows you need a CH340 driver installed. On a MacOS or Linux machine you do not need drivers. Please check if the switches are pushed really to the end on the dipswitch. Does the powerled come on on the board ? You might have a defective cable. Download links for the driver and schematics and such are in the productpage.

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