This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 5 decoders with a switch can be read over I2C. The PCF interrupt line can be used to detect changes ...
The UFCxx sensor family from ScioSense offers ultrasonic flow converters for measurements in water, heat and gas meters. The sensors come in the size QFN32 package with digital SPI interface. It uses ...
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