RCWL-1005 and RCWL-1605 sonar distance sensors for fischertechnik

Compared with the ubiquitous HC-SR04 sensors, these modules come with a combined emitter/receiver and an optional UART or I2C-interface. Unfortunately, their minimal range, 25 cm, is much larger.

More info on these sensors and an Arduino library for their I2C mode you can find at my github page.

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