SRF02 ultrasonic sensor [Discontinued] _ARD_SHIELD_PROTO Do not try to recharge

Do not try to recharge non-rechargeable Lithium coin batteries

Pullup resistors are added for the SD card and optional SPI flash chip (the empty 8-pin location on the bottom side)

comprehensive software support

12mm diameter (0

kids can literally learn and do science that is combined seamlessly with their daily life activities

SRF02 ultrasonic sensor [Discontinued] _ARD_SHIELD_PROTO Do not try to rechargeThis low cost ultrasonic ranger has 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. The SRF02 features both I2C and a Serial interfaces. The serial interface is a standard TTL level UART