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Elegoo EL-KIT-000 37-in-1 Sensor Module Kit for Arduino UNO R3, MEGA, NANO
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- A complete set of Arduino's most common and useful electronic components
- With a small gift (resistor bag)
- The knit has 37 sensors modules for the beginners
- With tutorial in a CD
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Elegoo 37 sensor modules kit is the most complete modules kit for Arduino beginner. It is easy used and funny. The kit has 37 sensor modules, 1 CD with tutorial and 100 pieces resistors packing in a beautiful plastic box. Component listing: 1 x Joystick 1 x Relay 1 x Big sound 1 x Small sound 1 x Tracking 1 x Avoidance 1 x Flame 1 x Linear hall 1 x Mental touch 1 x Digital temperature 1 x Active buzzer 1 x Passive buzzer 1 x RGB LED 1 x SMD RGB 1 x Two-color 1 x Mini two-color 1 x Magnetic spring 1 x Mini reed switch 1 x Heartbeat 1 x 7 color flash 1 x 7 color flash 1 x Button 1 x Shock 1 x Rotary encoders 2 x Light cup 1 x Hydrargyrum-switch 1 x Tilt-switch 1 x Photo-resistor 1 x Temp and humidity 1 x Analog hall 1 x Hall magnetic 1 x 18B20 temp 1 x Analog temp 1 x IR mission 1 x IR receiver 1 x Tap module 1 x Light blocking.
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I examined all of the sensors and they arrived in good condition. I'm glad they were in plastic bags because several of them have tiny mercury switches, if any of the sensors had broken the bags would have contained them.
Identifying the sensors can be a challenge if one has no experience with electronics, I'm a high school drop out so it was no problem for me. I made up a document that I can put in the lid which identifies each of the sensors by name and with an image. The images are really small, but, are good enough for me to identify most of the sensors easily. That was actually very easy, so, I'm not sure why the seller didn't do that. Maybe because packing the sensors in the right compartments is a pain? There are 37 sensors and 36 compartments, so, not sure about how that would work with labeling. There are more expensive sensor kits with similar labels to the one I built.
I think I will add some pink anti-static foam to the compartments. There are some reviews that talk about breaking sensors, adding the foam would probably help. I'm not sure how much it would cost to die cut a few thousand pieces, the extra time to put the foam in would probably result in fewer returns and fewer low ratings, although, some people would complain about the foam :-)
There are three Hall Effects sensors, the Linear magnetic Hall sensors KY-024 using the 49E-419 sensor (you are going to need a strong loop magnifier to read the markings on the sensors), the Hall magnetic sensor module KY-003 using the 3144 415 sensor and the Class Bihor magnetic sensor KY-035 using the 49E-419 sensor. the 3144-415 and the 49E-419 look almost exactly alike. The KY-003 has a resistor and an LED soldered on and the KY-035 doesn't.
I actually received 2 of what appeared to be the same sensor, the Magic light cup module KY-027, I wasn't familiar with this sensor so I did a quick Google and found this: https://tkkrlab.nl/wiki/Arduino_KY-027_Magic_light_cup_module, which explains why you need two sensors.
Some of the sensors seem kind of useless, like soldering a switch to a board. Switches a cheap, 20 4pin switch on eBay for a buck. Most of the sensors seem like they will be fun to play with and learn about.
FYI: After reading about people complaining about not knowing what they bought or finding information on stuff I decided to post this image so people could complain that the pictures are too small, and the sensors aren't in alphabetical or numerical order or that I don't buy them flowers or whatever reason people have to complain.
For example, there is a pretty good review that talks about never finding out what a light cup is, I ran a search on YouTube and found a tutorial on light cups posted back in 2009. Not sure when the review was written, I purposely didn't look, I'll give the person the benefit of the doubt and believe that they reviewed before 2009.
If you aren't sure what you can do, just Google the name of the sensor. "Temperature sensor module KY-001", Try it with quotes first, and without quotes if that doesn't work, and see what comes up. Also, get a jewelers loop and read the designations on the sensors so you can find data sheets.
Here is a link to info on these sensors. http://linksprite.com/wiki/index.php5?title=Advanced_Sensors_Kit_for_Arduino
What this kit could use is some work in the information that it provides. This is not a tutorial on how to use Arduino, it's a tutorial for someone who already knows how to use an Arduino and who now wants to experiment using modules with it. Each lesson shows you how to wire things up, gives an explanation of what you are attempting to accomplish and why you are using that particular module. It also goes into some detail on why it's going to work the way it does and what the technical specifications for the module is but what got me was the very last part in the lessons- After I had everything connected and was ready to go the instructions simply said to "upload the program and open the monitor". What program??? There’s a monitor? How do I upload a program? What's the name of the program and where do I find it? How do I access this monitor thing? Through trial and error and various search engines I'm getting there. It seems the programs are there within the Arduino application but I have had to basically click on every example it has (there’s a lot) to find what I needed and learn how to use an Arduino on the fly.
I did have to download a new library for the temp sensor used in lesson two (which is actually the first lesson with connecting a module), it would not work with the code provided and I thought maybe it was a defective module but after downloading the “Arduino-Temperature-Control-Library-master” library from the internet it worked fine. Hopefully that’s a onetime thing but again it would have been nice to tell me what examples I need to load for each module to make it function. Lesson three worked fine although I still had to hunt for what example was needed for it within the menu. FYI an “Example” is a predefined piece of code based on the module you select and it loads the files needed to make the module work. The “monitor” is under Tools, it’s named “serial monitor” and opens a separate window so you can see the results your module is outputting if any after you have selected your example and have uploaded it to your Arduino.
So it’s a good kit from what I can tell being a newbie to all this. Buying these things separately would cost a lot more I’m sure. I imagine if I can figure out how to get all of these to work I’ll have a good working knowledge of Arduino by then, I definitely know a lot more now about it than when I started and this is just day 3!
September 13 2017- update.. after sending the company a message about the defects in some of the parts, I got a reply about 2 days later maybe 3, with a tracking number to where they resent a brand-new order to make up for my defect parts... very pleased with the hassle free, and fast acting customer service . . . I plan to place several more future orders .
previously I gave this product a 2 stars when I partially tested the modules. Now that I have tested all of the modules,I feel I better get some credit to the manufacturer for producing those modules with such low price. Yes, there will be some sensors not working in each case, normally they can be fixed quickly. tips on how to fix bad sensors are at the end
Overall this kit is very good for beginner, it can give you a basic understanding about arduino and hardware debugging ability.
I would recommend you if you are into arduino
here is a link to wiki page with most of them listed with sample code:
common things which make modules not working:
#1 missing resistor.
#2 wiring is wrong
#3 sensor sensitivity