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Teilenummer | SRF04 |
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Beschreibung | Ultrasonic Range Finger Application Note | |
Hersteller | Parallax | |
Logo | ||
Gesamt 5 Seiten 599 Menlo Drive, Suite 100
Rocklin, California 95765, USA
Office: (916) 624-8333
Fax: (916) 624-8003
General: [email protected]
Technical: [email protected]
Web Site: www.parallax.com
Educational: www.stampsinclass.com
Devantech SRF04 Ultrasonic Range Finder
(#28015)
The Devantech SRF04 ultrasonic range finder provides precise, non-contact distance measurements from
about 3 cm (1.2 inches) to 3 meters (3.3 yards). It is very easy to connect to BASIC Stamps or the
Javelin, requiring only two I/O pins.1 The SRF04 library makes this device very simple to use and is an
ideal component for robotics applications.
The SRF04 works by transmitting an ultrasonic (well above human hearing range) pulse and measuring
the time it takes to "hear" the pulse echo. Output from the SRF04 is in the form of a variable-width pulse
that corresponds to the distance to the target.
The SRF04 is designed and manufactured by Devantech, who provides additional technical resources for
the device. Their web site is http://www.robot-electronics.co.uk.
Features
• Voltage – 5 v
• Current – 30 mA Typ. 50mA Max.
• Frequency – 40 kHz
• Max Range - 3 m
• Min Range - 3 cm
• Sensitivity - Detect 3 cm diameter broom handle at > 2 m
w • Input Trigger – 10 uS Min. TTL level pulse
• Echo Pulse - Positive TTL level signal, width proportional to range.
w • Small Size – (1.7 in x .8 in x .7 in height) 43 mm x 20 mm x 17 mm height
w.DataSheet4U1 For a Javelin Stamp application note see www.javelinstamp.com.
.comParallax, Inc. • Devantech SRF04 Ultrasonic Range Finder (#28015) • 10/2003
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Seiten | Gesamt 5 Seiten | |
PDF Download | [ SRF04 Schematic.PDF ] |
Teilenummer | Beschreibung | Hersteller |
SRF01 | Ultrasonic range finder | ETC |
SRF02 | Ultrasonic Range Finder | ETC |
SRF02 | Ultrasonic Range Finder Tech | ETC |
SRF04 | Ultrasonic Rangefinger Schematic | ETC |
SRF04 | Ultrasonic Range Finger Application Note | Parallax |
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