Comparison Table
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Product Name |
Gesture & Touch Sensor (SEN0285) |
RGB Color and Gesture Sensor (SEN0187) |
3D Gesture Sensor (Mini) (SEN0202) |
Dimension |
1.44’’x1.26’’x0.28’’ (36.5x32x7mm)
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0.72’’x0.65’’x0.28’’ (18.3x16.4x7mm) With pins |
2.83’’x2.13’’x0.12’’ (72x54x3mm)
Without pins |
Price |
$9.9 |
$13.9 |
$13.9 |
Tech Principle |
Infrared ray (Don’t shield the receiver and the emitter) |
Infrared ray (Don’t shield the receiver and the emitter) |
Electric near field sensing technology (Still available for shielding within 2mm) |
Gestures |
7 gestures: Right, Left, Forward, Backward, Pull-up, Pull-down, Pull and remove |
6 gestures: Right, Left, Forward, Backward, be close, Be away from |
6 gestures: Right, Left, Forward, Backward, clockwise, counterclockwise |
Distance Range |
20cm in default, adjustable within 0-30cm |
10cm |
10cm |
Wiring |
4pin Gravity interface, IOx2 |
5pins, IOx3 | |
Other Functions |
5 touch buttons |
Ambient light detection, distance detection |
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Summarize:
Price
Gravity: Gesture & Touch Sensor: $9.9
RGB Color and Gesture Sensor for Arduino: $13.9
3D Gesture Sensor (Mini) for Arduino: $13.9
Gravity: Gesture & Touch Sensor is the cheapest one!
The principle
The principle of Gravity: Gesture & Touch Sensor and RGB Color and Gesture Sensor are the same, they both based on an infrared ray. To analyze the reflected IR wave, the parts of the sensor should be exposed to the outside. So that you can use transparent materials like acrylic, PC and others as a crust.
And 3D Gesture Sensor (Mini) is based on electric near field sensing technology. There are more choices and scenarios in shells. It still can work normally even put into 2mm opaque cover.
Gestures
Gravity: Gesture & Touch Sensor is outstanding for 7 practical gestures. Besides, 3D Gesture Sensor is unique for the gesture clockwise circle, which can be applied to scenarios like light, color and volume adjustments and so on.
Recognition range
Gravity: Gesture & Touch Sensor is 20cm in default, and it is adjustable within 0-30cm. Besides the longest recognition distance is 30cm, the adjustable recognition distance can beat others at all. The adjustable recognition distance can avoid unconscious triggers. It can increase stability and reliability.
Wiring
Gravity: Gesture & Touch Sensor adopts a 4pin Gravity interface, plug, and play, simple to wire. And it only takes 2 IOs. Other sensors need to wire one by one and takes more IOs than it.
Others
Gravity: Gesture & Touch Sensor has 5 touch keys. And RGB Color and Gesture Sensor have ambient light detect function and distance measurement.
Dimension Comparison
Above is all parameters comparison, and how it feels to use? To make you identify with my emotion of using these gesture recognition sensors, form crumble to surprise and astonish, I would love to begin with oblations.
When you wave normally, there are particularly frequent recognition errors — "NONE".
When I was waving faster, the product sample program crashes directly and cannot recognize any gestures (The gif chart cuts the number of frames, so it just looks like very quickly, but actually only a little faster than the usual wave, so-called faster).
3D Gesture Sensor (Mini) SEN0202
In the process of slow-wave recognition, there are many unrecognizable situations.
I've waved 10 times, but it only recognizes 4 waving. In the process of identifying the circles, I drew 6, 7 laps, but it only recognized 3 "CW". The initial 3-4 circles are completely unrecognizable, and the following circles can be identified.
It takes 3-4 times before you get timely feedback. What’s more, it outputs two mistouch recognitions.
Finally, the hero always comes on stage at last, Gravity: Gesture & Touch Sensor(https://www.dfrobot.com/product-1898.html) is coming!
The slow-wave, come on, just a small case, the recognition result is very reliable.
Video: https://v.qq.com/x/page/d3007yd0kzk.html
Let’s focus on advanced tests.
This is the data printed in the upper and lower gesture serials:
When the hand is within 20cm, pull-up and pull-down will output "up" and "down";
Video: https://v.qq.com/x/page/d3007yd0kzk.html
If you pull up more than 20cm, or if the gesture is drawn and your hand retracts, it will show "pull and remove"
Have you shocked by the performance of Gravity: Gesture & Touch Sensor? The Ultra-fast wave, its wave speed has reached my limit, my hands are dead...
The intuitive feeling of using these three gesture recognition sensors is no matter how ordinary the former gesture is, the gesture and touch sensor is something. It can be applied to any scene, whether in the control of the home switch lights, or commercially body-sensing interactive devices.
In conclusion
Gravity: Gesture & Touch Sensor is mostly perfect. Do you still remember the 3 features I mentioned before?
1. Be Reliable
Wave at normal speed, how many times I waved left and right, how many it recognized. The result is quite amazing.
2. Be quick
With each smooth gesture, it is almost recognizing the current gesture without any delay, so quickly.
On this basis, in the ultra-fast wave of the experiment, the strength it bursts out can only be described as shock. I waved so fast, but it still kept recognizing it without falling, and the recognition accuracy is still so high. Even now, I still cannot figure out its limit, so amazing!
3. The corresponding flag point
Unfortunately, Gravity: Gesture & Touch Sensor I do not have the feature like this. But if we can find the flag point from the original data and wield an LED indicator as to the visual feedback, it will be done.
Gameplays
1. With the powerful function, Gravity: Gesture & Touch Sensor need not be limited to gesture recognition. With the ability to recognize the gesture direction, it can be fully used as a hand-speed sensor. Put a display to the breadboard and show the handwaving frequency in the display, your handwaving combat device.
2. From the recognition of waving speed, you can do game interaction. Take the flying bird as an example, waving fast then the bird flies high while waving slow and the bird flies low.
3. Do you like DJs? Dimitri Vegas & Like Mike? Pauly D and Snake?
Try making Gravity: Gesture & Touch Sensor a turntable.
4. If you don't like the palm of your hand, you can also do it with a single finger.
5. If you feel that one-handed operation is not addictive, then put your hands together and turn the sensor at the right angle.
The left-hand controls the top and bottom swings, the right-hand controls the left and right swings, and lets both hands be involved.
And what kind of interesting production will come out? More possibilities await you to discover.
Thank you for reading!