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this thermometer can not be used in the water
(You can see a massive table of all the different materials used to make LEDs in the wikipedia page )
First bore diameter is 5mm and the second bore diameter is of 5mm also
Case color: Black
8x8 Dot Led Matrix Mcu Control Display Module Max7219 thermal printer this thermometer can not beThe 1 LED Matrix module uses the main IC MAX7219 controls the 8 8 common cathode led, the module has 2 ends: 1 input and 1 output, users can combine the modules to form a 2 led 3 led circuit optional, used for purposes such as learning research projects or DIY projects. Specifications: Voltage: 5v Dimensions: 32 x 32 x 13 mm Weight: 12g With 4 M3 holes Product code: 6RU7IC: MAX7219 CNG Product code: BN4X IC: MAX7219 CWG Package Includes: 1 x MAX7219
US$ 32.00
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US$ 15.00
US$ 13.00