Capteur de Distance GP2Y0A02YK0F IR Sharp - 20 cm à 150 cm
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SharpUGS :RB-Dem-02
Numéro du fabricant:
GP2Y0A02YK0F
8 reviews
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Description
Télémètre infrarouge de 20 cm (~8") à 150 cm (~60")
Interface analogique
Associé à un PSD
Sans plomb, compatible ROHS
Lisez la distance à un objet se trouvant face à votre robot. Le capteur de distance à IR GP2Y0A02YK0F de Sharp (de 20 à 150 cm) effectue une lecture de la distance en continu et signale cette distance sous forme de tension analogique sur une plage de distance de 120 à 150 cm. Interface à 3 fils avec alimentation, terre et tension de sortie. Elle nécessite un Câble Pour Capteur Infrarouge GP2 8" SIRC-01 .
C'est une unité capteur de mesures de distance, se composant de l'association d'un PSD (détecteur sensitif de position), d'un IRED (diode infrarouge) et d'un circuit traitant le signal. La diversité de la réflectivité de l'objet, la température ambiante et la durée d'exploitation n'influent pas facilement sur la détection de la distance en raison de l'adoption de la méthode de triangulation. Ce dispositif produit la tension correspondant à la distance de détection. C'est pourquoi ce dispositif peut également être utilisé comme capteur de proximité.
Caractéristiques :
Échelle de mesure de distance : de 20 à 150 cm
Sortie de type analogique
Consommation électrique : Type 33 mA
Tension d'alimentation : de 4,5 à 5,5 V
Applications :
Interrupteur sans contact (équipements sanitaires, contrôle d'éclairage, etc.)
Good product, robust and well made, works across the supply voltage range, one little niggle the product specification diagram, would be more helpful for people if the supply + and - where to be given a red and black colour name. Also, the pinout leads on the circuit board are long and there is a worry that they could touch any metal support bracket, that is the reason I suggested worth getting the support bracket, as I suspect it removes that worry (nice touch if it was to be supplied free!). It is worthwhile, buying the support bracket for this product as it would make mounting a lot easier. The range is accurate but is proportional to voltage.
W
William
Bon produit
Un bon produit, robuste et bien fait, fonctionne sur toute la plage de tension d'alimentation, un petit souci dans le diagramme des spécifications du produit, serait plus utile pour les gens si l'alimentation + et - où on leur attribuait un nom de couleur rouge et noir. En outre, les fils de brochage sur la carte de circuit imprimé sont longs et on craint qu'ils ne touchent n'importe quel support de support en métal, c'est la raison pour laquelle j'ai suggéré qu'il vaut la peine d'obtenir le support de support, car je soupçonne que cela supprime cette inquiétude à fournir gratuitement!). Cela vaut la peine d'acheter le support pour ce produit car cela faciliterait le montage. La plage est précise mais proportionnelle à la tension.
D
DJD Labs
Sharp has always made a great sensor.
I have used Sharp IR range finders all the way back to the 90's They have always been a great reliable sensor. They are often used in commercial and production level robots. You have to understand the nature of how it works, to understand its limitations. It is simply sending out an IR blast than looks for a return, of any level, to gather how far the object is based on the amount of returned light. So the surface, shape, and size, of the object can change the results you get from the sensor. So like with any object tracking of this nature it is best to take the average of multiple sensors, and or multiple samples of a single sensor to get a better overall average, and remove anomalies. NOTE: These sensors work great in groups and do not interfere with each-other. With that said, the consistency across the sensors I have ordered over the years has always been the same, the notes mentioned above, are known, and apply to all sensors equally, so knowing this, you can allow for it in your application. For known variability is much better than pure random. For the most recent install, I picked up 8 of these for a leg detection system, and at 4-7 Feet I found this sensor was able to get reliable data that was very usable. For people may not often think of these as good 'human' detectors, but they have a very fast response, limited beam width and fast 'resets' Unlike other sensors like PIR, and SONAR. One tip I will give is get the harness, you will thank me later, when you try to source the proper connector and wire combination. The one available here by the Robot shop, is a perfect mate. I would recommend this sensor to those who have it in mind. You can not beat the price, even for just a test prototype.
D
Douglas
Better but more expensive than sonic rangers
It does what it says and I like that there are several versions for different distance ranges. The analog output is easier to deal with than reading a pulse width on a sonic ranger type sensor. Also, and this never occured to me beforehand but sonic rangers have a hard time dealing with clothing so if its peeps your ranging then infrared is the choice. OTOH since its analog you need some kind of interface for a raspberry pi.
S
Sungjune
Be aware the limitations
This type of sensors from Sharp shares two issues: One is that their output is noisy, not quite random but occasional jump style noise. Median averaging can be helpful in this case but it limits the maximum bandwidth of the sensor. Second issue is more tricky. When the object is out of range, i.e. too near or too far then it produces unexpected value. For example object at 2m (out of range) produces the same output as object 1m (in range). When it comes to environmental effect, i.e. surface condition of the object or effect of day light, etc., it is more robust than other type of sensors such as ultrasonic type.