This library is to use the DFRobotics A02YYU and A02YYUW Serial distance sensor. The A02YYU(W) has a range of max 3.0 to 4.5 meter (10 to 15 feet). The UW version has an IP67 coating so it can be used ...

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I2C is a wonderful interface. With four wires and only two GPIOs, you can connect a whole lot of sensors and devices – in parallel, at that! You will see I2C used basically everywhere, in every phone, ...

We developed a simple device to teach the concept of pH to visually impaired people through an experimental approach. An interface between a glass electrode and an open-source electronics platform ...