SRF02 - Ultrasonic Range Finder
Lowest cost ultrasonic ranger with both I2C and Serial interfaces. New AutoTune algorithms intelligently back the minimum range right up to the transducer ringdown for the very best performance possible, automatically, in the background, and with no calibration cycles necessary. Additional new commands allow for separate burst and ranging control.
Full Technical Data, and the FAQ
Range - 16cm to 6m.
Power - 5v, 4mA Typ.
Frequency - 40KHz.
Size - 24mm x 20mm x 17mm height.
Analogue Gain - Automatic 64 step gain control
1 - Standard I2C Bus.
2 - Serial Bus - connects up to 16 devices to any uP or UART serial port
Full Automatic Tuning - No calibration, just power up and go
Timing - Fully timed echo, freeing host controller of task.
Units - Range reported in uS, mm or inches.
Light Weight - 4.6gm