Turbidity is an internationally recognized criterion for assessing drinking water quality, and a Turbidity Meter is an optoelectronic instrument that assesses turbidity by measuring the scattering of ...
Looking for a digital recreation of the classic analog volume unit (VU) meter? If you’ve got an Arduino, a few passive components, and a SSD1306 OLED, then [mircemk] might have the answer for you. As ...