Large Ultrasonic (Sonar) Sensor with Horn and UART Output
In stock, ships same business day if ordered before 2PM
Fastest delivery: Tomorrow*
Disclaimer:
For next-day delivery, the shipping address must
be in the AusPost next-day network, eParcel Express must be selected, and the order must be placed
before 2PM AEST Mon-Thurs excluding NSW Public Holidays. Orders may be delayed due to AusPost
pickup timings and order verifications. eParcel Express is typically a 1-day service within the
AusPost next-day network, though it is sometimes 2+ days.
Quantity Discounts:
- 6+ $52.24 (exc GST)
- 12+ $50.60 (exc GST)
This impressive looking horn is actually an ultrasonic sensor, ready for panel mount use. Inside is a module that uses high frequency signals to determine distance to a surface, and the horn helps guide the waveform so it can reach farther without spreading too wide. It's elegant looking and is more durable than the 'raw' ultrasonics Adafruit sell a lot of, so it would do well in a garage, robot or installation where you want a durable dust and weather-resistant design. It has a range of 28 cm to 750 cm with a read resolution of 1mm (precision isn't specified, but its probably about 5-10 mm). As you get to the longer distances, its important to take into account the spread of the cone, which is about 40 degrees. Adafruit weren't able to get a reading of 750cm, but Adafruit did reach 600 cm (in Adafruit's small apartment).
This sensor has UART output, so it can connect to a microcontroller or microcomputer with a TTL serial port. You can also connect it to a computer using a USB-to-serial adapter and read data from the operating system's COM or serial port device.
It comes with a 2mm pitch connector you can cut off or re-purpose. To use, simply connect the red wire #1 to 3 or 5V, black wire #2 to ground, skip #3 and connect #4 to your serial input pin and read the data in at 9600 baud. A blue LED on the back will blink with each reading. Check out the Arduino and Python example code to get readings in a jiffy!
This sensor has a 'blind' zone distance of 0 to 28 cm, that means it can't accurately tell when something is less than that distance away. it's best used when you know that the object you're sensing is at least 30 cm from the sensor!
We carry a large variety of distance sensors here if this fellow isn't what you're looking for.
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We deliver Australia-wide with these options (depends on the final destination - you can get a quote on the view cart page):
- $3+ for Stamped Mail (typically 10+ business days, not tracked, only available on selected small items)
- $7+ for Standard Post (typically 6+ business days, tracked)
- $11+ for Express Post (typically 2+ business days, tracked)
- Pickup - Free! Only available to customers who live in the Newcastle region (must order online and only pickup after we email to notify you the order is ready). Orders placed after 2PM may not be ready until the following business day.
Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.
Some batteries (such as LiPo) can't be shipped by Air. During checkout, Express Post and International Methods will not be an option if you have that type of battery in your shopping cart.
International Orders - the following rates are for New Zealand and will vary for other countries:
- $12+ for Pack and Track (3+ days, tracked)
- $16+ for Express International (2-5 days, tracked)
If you order lots of gear, the postage amount will increase based on the weight of your order.
Our physical address (here's a PDF which includes other key business details):
Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia
Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.
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