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Also works with any standard pH sensor or meter that requires buffer solution calibration
The OLED LCD I2C 0
Heat shrink keeps your stuff all safe and kept together
00 Calibration Solution pH Value 7
75in Length 19mm/0
XL4005 DC-DC Buck Converter 5A - Adjustable Step-Down digital caliper Also works with any standardA buck converter, also known as a step down converter, is a DC DC power converter that takes a higher input voltage then converts it to a lower value, while maintaining or stepping up the current. The XL4005 can step down up to 32V of input to as small as 0. 8V. It uses a PWM control circuit that enables it to adjust the duty ratio linearly from 0 to 100%. It also employs a short protection feature that reduces the operating frequency to 60kHz.
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