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В Bazar.BG от 20 октомври 2015г.
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Working voltage: AC5-16V or DC6-24V
PCB size: 50mm*50mm
Overall height of the board: about 23mm
R1,
R5 are the magnification setting resistors (the default is about 5
times magnification for delivery, you can change the magnification
according to your own needs, the resistance can be selected from
5k-100k, the larger the resistance, the higher the magnification, if you
use a plug-in resistor , you can remove the original chip resistor by
soldering, and solder the plug-in resistor on the pads at both ends of
the patch position)