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Haynes HBD2766 Bat Detector Construction Kit, Black

4.0 4.0 out of 5 stars 444 ratings
Currently unavailable.
We don't know when or if this item will be back in stock.
Brand Haynes
Color Black
Batteries Required? Yes
Material Cardboard
Power Source Battery Powered

About this item

  • A BRAND YOU CAN TRUST: Haynes is an instantly recognisable classic British brand which have now put their name to a range of electronic model building kits. Each kit comprises all the components needed to create your own version of classic electronic devices and comes with a clear and concise instruction guide in the style of a Haynes manual.
  • BUILD YOUR OWN BAT DETECTOR: Who says you can't hear bats? With the Haynes Build Your Own Bat Detector Kit, you can turn the ultrasonic calls of bats into audible sounds.
  • NO SOLDERING REQUIRED: Easy to assemble, with all components and relevant wiring included, you do not require a solder to create your own bat detector. Suitable for children aged 14 and above, the Haynes Build Your Own Bat Detector Kit is the perfect starter project for aspiring engineers and can serve as a wonderful learning tool for those who love electronics and how they work.
  • CREATE YOUR OWN BAT DETECTOR: Once built, you will have your very own handmade high-quality ultrasonic detector perfect for tracing these fascinating flight artists. Housed in a cardboard picture box, the completed device will detect not only the sound of bats but also a host of technical devices that emit ultrasonic sounds. You will be surprised how many inaudible acoustical sources surround us Boost your ears: 20 kHz is not enough
  • TOOLS REQUIRED: You do not require a solder to create your own bat detector.

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Haynes HBD2766 Bat Detector Construction Kit, Black

Haynes HBD2766 Bat Detector Construction Kit, Black

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Product Description

Haynes is one of the most highly recognised publishing and specialist automotive brands in the world. As the world’s leading publisher of car and motorcycle manuals, it has become an instantly recognisable classic British brand with worldwide distribution. Haynes have now put their name to a range of electronic model building kits, which make the perfect gifts for any self-assembly fans, electronics geeks and lovers of all things retro Each kit comprises all the components needed to create your own version of classic electronic devices and comes with a clear and concise instruction guide in the style of a Haynes manual. The Haynes electronic model building kits are perfect starter projects for aspiring creators and can serve as a wonderful learning tool for those who love electronics and how they work. Who says you can't hear bats? With the Haynes Build Your Own Bat Detector Kit, you can turn the ultrasonic calls of bats into audible sounds. Once built, you will have your very own handmade high-quality ultrasonic detector perfect for tracing these fascinating flight artists. Housed in a cardboard picture box, the completed device will detect not only the sound of bats but also a host of technical devices that emit ultrasonic sounds. You will be surprised how many inaudible acoustical sources surround us Boost your ears: 20 kHz is not enough Easy to assemble, with all components and relevant wiring included, you do not require a solder to create your own bat detector. Runs on a single 9V battery (not included). Please note, colours and contents may vary from those shown.

Important information

Safety Information

Not suitable for children under the age of 14 years. For use under adult supervision.

What's in the box

  • All components included

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    Customer reviews

    4 out of 5 stars
    4 out of 5
    444 global ratings

    Customers say

    Customers like the ease of assembly of the metal detector. They mention that it's fun and easy to put together, with good instructions that are simple to understand. That said, some complain that the performance is not as expected.

    AI-generated from the text of customer reviews

    5 customers mention5 positive0 negative

    Customers find the metal detector easy to put together, with good instructions that are simple to understand. They also mention that there is no electronics knowledge or soldering required.

    "Received it today. Assembly takes five minutes if you take your time and do it for the first time. Nothing to it. The best thing? It works!..." Read more

    "...This kit was very easy to assemble, with no electronics knowledge or soldering required...." Read more

    "Very easy to put together. Heard the pop, pop, pop of bats flying near our home later that night...." Read more

    "This was fun to assemble. Good instructions and simple to understand. Even know you don’t have to solder anything, it should say you need some glue...." Read more

    3 customers mention0 positive3 negative

    Customers are dissatisfied with the performance of the metal detector. They mention that it didn't work like they expected.

    "I am into electronics and writing code for microcontrollers. This item didn't work, must have bought a dud.It happens...." Read more

    "...Heard nothing from the device. It does not work. Waste of money!" Read more

    "Didn’t work like I expected !..." Read more

    Fun Fun Fun
    4 Stars
    Fun Fun Fun
    This was fun to assemble. Good instructions and simple to understand. Even know you don’t have to solder anything, it should say you need some glue. It boast nothing is needed. But you need to glue the microphone to the box. I also found the inside speak holder was not glued well enough to hold the speaker. It came off in shipping, so I glued it back on. Simple flaws. It’s a cool little device and is worth the buy.
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    Top reviews from the United States

    hogges
    5.0 out of 5 stars It works!
    Reviewed in the United States on May 26, 2022
    Verified Purchase
    Received it today. Assembly takes five minutes if you take your time and do it for the first time. Nothing to it. The best thing? It works! We located bats this evening in our back yard. We did not know we had any. Once we heard them with the device, we could also occasionally spot them. Well worth the low price of admission. Make sure you have a 9V block battery handy and I used a little bit of double sided take to hold the battery in place in the box, so it doesn't slide around. Five stars!
    2 people found this helpful
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    Buckeye Fan
    4.0 out of 5 stars Batty for this bat detector!
    Reviewed in the United States on September 17, 2023
    Verified Purchase
    If you like bats and you want to be able to listen to them echo locate, but you don’t want to spend an arm and a leg… thus IS the product you need! This kit was very easy to assemble, with no electronics knowledge or soldering required. It doesn’t have some of the bells and whistles or the durability that significantly more expense units have, but for a casual hobbyist it provides and inexpensive way to add another level of enjoyment to bat watching. The only reason I did not give it 5 stars is because they need to incorporate a way to secure the 9v battery inside the unit so it doesn’t slide around.
    I am very happy with this purchase. 🦇
    2 people found this helpful
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    S. Church
    5.0 out of 5 stars Good for making ultrasonics audible
    Reviewed in the United States on January 16, 2024
    Verified Purchase
    My dog has developed a hyper sensitivity to high pitched noises. I recently acquired a bunch of Zigbee smart outlets, but whenever they would turn on it seemed the dog couldn't leave the room fast enough. This bat detector helped me to confirm the outlets are emitting ultrasonics, so I'll pack them away for as long as ultrasonics are a problem.
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    Vic (YouTube: AzBirdDog)
    1.0 out of 5 stars Mine was a dud. So....who knows?
    Reviewed in the United States on June 4, 2021
    Verified Purchase
    I am into electronics and writing code for microcontrollers. This item didn't work, must have bought a dud.
    It happens. I can possibly use the sensor for an arduino (microcontroller) project.
    One person found this helpful
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    TK
    5.0 out of 5 stars Works
    Reviewed in the United States on November 25, 2020
    Verified Purchase
    Very easy to put together. Heard the pop, pop, pop of bats flying near our home later that night. Very interesting to hear the unusual items emitting sounds we don't usually hear.
    One person found this helpful
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    PilotJim
    4.0 out of 5 stars Fun Fun Fun
    Reviewed in the United States on June 17, 2023
    Verified Purchase
    This was fun to assemble. Good instructions and simple to understand. Even know you don’t have to solder anything, it should say you need some glue. It boast nothing is needed. But you need to glue the microphone to the box. I also found the inside speak holder was not glued well enough to hold the speaker. It came off in shipping, so I glued it back on. Simple flaws. It’s a cool little device and is worth the buy.
    Customer image
    PilotJim
    4.0 out of 5 stars Fun Fun Fun
    Reviewed in the United States on June 17, 2023
    This was fun to assemble. Good instructions and simple to understand. Even know you don’t have to solder anything, it should say you need some glue. It boast nothing is needed. But you need to glue the microphone to the box. I also found the inside speak holder was not glued well enough to hold the speaker. It came off in shipping, so I glued it back on. Simple flaws. It’s a cool little device and is worth the buy.
    Images in this review
    Customer image
    Customer image
    One person found this helpful
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    someone
    5.0 out of 5 stars Interesting and fun to use.
    Reviewed in the United States on July 9, 2023
    Received Bat Detector as a gift. I had no problem assembling the device. Had fun using it! Alas only had one bat flying overhead to track. But it worked and l am looking forward to using it again.
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    carefulresearcher
    4.0 out of 5 stars Interesting scientific experiment, ongoing...
    Reviewed in the United States on January 14, 2021
    Verified Purchase
    I studied the instructions and carefully built the ultrasonic bat detector.
    So far, great! My family has all enjoyed it! Hopefully it will last longer for us than it has for some folks.
    One person found this helpful
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    Top reviews from other countries

    Translate all reviews to English
    Mason A
    4.0 out of 5 stars Easy to build
    Reviewed in Canada on November 28, 2021
    Verified Purchase
    I bought this for listening to my pet rats ultrasonic vocalizations. It works. There is no numbers in the dials so you have to guess where to set the knob, but it does work.
    One person found this helpful
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    Jan Bjernler
    4.0 out of 5 stars För pengarna riktigt bra
    Reviewed in Sweden on September 9, 2022
    Verified Purchase
    Lätt att sätta ihop och vi kunde äntligen identifiera den där fladdermusen som flyger runt vårt hus om nätterna.
    Riktning på micken kunde varit bättre, men överlag en billig rolig sak för att lyssna på fladdermöss.
    vad jag skulle önska för att ge fem stjärnor är en mer exakt frekvens-inställning.
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    S, Milton Keynes
    5.0 out of 5 stars Not a professional bat hunter? This one is for you!
    Reviewed in the United Kingdom on April 29, 2022
    Verified Purchase
    After using a borrowed bat detector on a night-time walk with our local ranger, I wanted to buy one of my own. The problem is that most are priced in the £80-£120 range. Not too great if it is discarded after a couple of night-time walks!

    This little kit is much more reasonably priced.

    Pros:
    o Does actually work
    o Excellent value for money
    o Easy to assemble (no soldering, just plug some parts together)
    o Could relatively easily be transferred to a plastic box if desired.
    o Built-in loudspeaker
    o Runs on easily obtained 9V battery

    Cons:
    o Cardboard enclosure, so not rugged
    o Battery not secure in box
    o No headphone socket
    o Frequency is uncalibrated *
    o Battery not included

    * Even some of the expensive ones don't have a frequency readout.

    For the uninitiated: this consists of an ultrasonic microphone and amplifier followed by a mixer. The output of an ultrasonic CW oscillator is mixed with the (amplified) incoming signal to heterodyne it down to audio frequencies. It is then amplified and fed to a loudspeaker.

    Bats emit short bursts (not continuous shrieks) otherwise they would not hear the echoes coming back. So, as long as the oscillator is roughly in the right range, the bat's call will sound like a click when mixed down anywhere in the audible range. With a calibrated oscillator (which this does not have) you MIGHT be able to identify the type of bat based on the frequency setting - however I suspect that the bat's flight and other characteristics are possibly more telling anyway.
    2 people found this helpful
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    Lebrun Nicolas
    5.0 out of 5 stars Fonctionne bien, les enfants et les parents adorent.
    Reviewed in France on December 30, 2021
    Verified Purchase
    Super
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    RB
    5.0 out of 5 stars Funktioniert
    Reviewed in Germany on December 23, 2021
    Verified Purchase
    Einfaches Prinzip aber funktioniert sehr gut. Ist ein einfacher NF Direktmischer. Empfangene NF-Ultraschallfrequenzen werden mit einer einstellbaren NF-Ultraschallfrequenz vom internen Oszillator gemischt und man hört die Differenzfrequenzen wenn diese im Bereich von ca. 0,5 bis ca. 10 khz liegen. Das gleiche Prinzip wie bei einem einfachen Direktmischempfänger aus dem Amateurfunk-Bereich. (Dort sind es eben nur HF Frequenzen)
    Fledermäuse hab ich hier keine aber ich kann mit diesem Gerät meine KFZ - Marderabwehr Geräte überprüfen ob sie Ultraschalltöne abgeben oder nicht, und auch wie diese eine Frequenzumschaltung usw. vollziehen. Klappt prima.
    Sollte also auch bei Fledermäusen funktionieren. Die Bandbreite von ca. 10 Khz ist halt ein bisschen schmal für Fledermäuse, geht zBsp. von 20 Khz - 30 Khz, 25 Khz - 35 Khz, 30 Khz – 40 Khz oder auch 80 Khz – 90 Khz usw…. je nach Oszillatoreinstellung. Geht bei dem hier verwendeten einfachen Frequenz-Mischprinzip halt nicht anders.
    Fledermäuse haben natürlich eine wesentlich größere Bandbreite als die hier möglichen 10 Khz (Die Frequenzen der Fledermäuse können von ca. 20 Khz bis ca. 140 Khz reichen, je nach Fledermausart und Flugsituation) Also eine Bandbreite von bis zu 120 Khz. Da kann man mit diesem Gerät eben immer nur einen sehr kleinen Bereich gleichzeitig abdecken, aber man kann die Töne hörbar machen.
    Profigeräte arbeiten mit Dehnung der Wellenlängen der empfangenen Ultraschall-Frequenzen (ähnlich einem Frequenzteiler) Dadurch können nicht nur die Frequenzen verringert werden sondern gleichzeitig auch die Bandbreite. Damit kann man dann den gesamten Bereich von 20 Khz – 140 Khz in einen hörbaren Bereich von 1 Khz – 7 Khz (gleichzeitig) umsetzen (Dehnung bzw. Teilung 1 zu 20) und dadurch auch gleichzeitig hörbar machen ohne dass man einen Oszillator o.ä. einstellen müsste. Aber solche Geräte kosten dann auch enorm viel mehr…..
    Ich bin von diesem einfachen Gerät begeistert und kann es in Anbetracht des Preis-Leistungs-Verhältnisses gut weiter empfehlen. (zur Zeit ca. 25 Euro + Versandkosten)
    One person found this helpful
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