PW0268

• http://cr4.globalspec.com/thread/11987/how-to-measure-the-distance-using-SRM400-Sonar-Ranging-Module
• http://uk.farnell.com/prowave/srm400/module-pw-0268-sonar-ranging/dp/1007370
• http://www.farnell.com/datasheets/1697789.pdf

• PW0268 at Farnell, £3.94
• datasheet

Operates in 6 – 10 V single voltage
Wide operation frequency range up to 250KHz
Temperature controlled oscillator traces resonant frequency drift of transducers
Built-in 32 steps time controlled gain amplifier
Built-in band pass filter of less external tuned components
Bi-direction I/O for both driving pulse and echo
Adjustable system clock for various detection range
Suitable for car reversing aids,tape measurements and othersonar ranging applications