I bought this kit Geekcreit-45-1 sensors from Banggood. Some of the items are identified but not all.
I'm searching for some documentation for the sensors. So faar I ended up with a .rar file. The offer I get is signing up for paying 50$ per year for unzipping it.
Anybody doing better than I?
You can get the "trial" version of WinRAR and you don't have to pay for it forever
Thanks gF.
I downloaded 7-zip. However when using the link to the document file, http://files.banggood.com/2016/06/37-in-1-SENSORS-KIT.rar, I end up having no choice to save the file, only buy an unzipper...
hzrnbgy:
You can get the "trial" version of WinRAR and you don't have to pay for it forever
Yes, I've seen that but I dislike the terms, giving them my credit card and being forced to logg in and cancel the subscription.
Trying the The story of the WinRAR trial and got lost...
I use "peazip" (free).
The file I downloaded first to the desktop opens fine with that.
Leo..
Wawa:
I use "peazip" (free).The file I downloaded first to the desktop opens fine with that.
Leo..
Eh... One problem is that I get a note (Win10) down on the screen. The option is to open it, not saving it on the desktop.
The zip-file I've got installed.
I've been using that and got into the trouble described in reply #3.
Your link is different to my link.
Did you try?
Leo..
Wawa:
Your link is different to my link.
Did you try?
Leo..
I did, and tried again, right now. The result is the same. I get a note, down and left on the screen. The option is to open the file, not saving it. Opening it I'm prompted to give away my credit card.
That is from 2013. If you use the examples, then it will conflict with the libraries of today.
When you buy something from a good seller (Adafruit, Sparkfun, Pololu), then you get schematic, examples, a forum, support, and a lot more.
You got what you paid for 
The PDF is too large to attach 
It has information about:
01. DS18B20 sensor module
02. vibration switch module
03. Hall magnetic sensor module
04. key switch module
05 .infrared transmitter module
06 .passive buzzer module
07. laser transmitter module
08. 3 colors - Full Color LED SMD Module
09. photo interrupter module
10. 3 mm red and green LED module (common cathode)
011. active buzzer module
012. analog temperature sensor
013. DHT11 digital temperature and humidity sensor module
014,.3 colors - LED full color module
015. mercury tilt switch module
016. photoresistor module
017. 5V Relay Module
018. tilt switch module
019. MINI reed switch module
020. infrared receiver module
021. PS2 gamepad axis sensor module
022. Linear Hall magnetic module
023. Reed module
024. flame sensor module
025. Magic light cup module
026. Digital Temperature Module
027. 5mm red and green LED module (common cathode)
028. knock sensor module
029. infrared obstacle avoidance sensors
030. 7 color flashing LED module will automatically
031. analog Hall magnetic sensor module
032. Touch Module
033.High sensitivity sound detection module
034. microphone sound detection module
035. finger measuring heartbeat module
036.. Tracking Module
037. rotary encoder modules
Have you already something installed that takes over Windows 10 for *.rar files (and probably other compressed files as well) ? Can you uninstall every "unzipper" that you can find and install a normal browser, such as Firefox ? Did you download 7-zip from the original website ? https://www.7-zip.org/. The 7-zip should work fine unless something else is deliberately disturbing it.
I needed the StuffItExpander in Windows 10 a few month ago to unpack something. That digs itself deep into Windows 10, taking over the default unpacking of zip files as well. What a terrible way to annoy users.
Put all the modules in a big black hat. Toss it up. Grab a random module. Make a photo of it and show it to us. We will tell what it is 
Koepel:
You got what you paid for
Yes, I know. It was an impulse to buy some toys.The PDF is too large to attach
Any place from where I can download it?
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Have you already something installed that takes over Windows 10 for *.rar files (and probably other compressed files as well) ?
No extra installations are made. Running standard Win10, Edge and Chrome
Can you uninstall every "unzipper" that you can find and install a normal browser, such as Firefox ?
I prefer not to tamper with a third browserDid you download 7-zip from the original website ? https://www.7-zip.org/. The 7-zip should work fine unless something else is deliberately disturbing it.
Yes but the 7-zip is not yet automaticly involved
I needed the StuffItExpander in Windows 10 a few month ago to unpack something. That digs itself deep into Windows 10, taking over the default unpacking of zip files as well. What a terrible way to annoy users.Put all the modules in a big black hat. Toss it up. Grab a random module. Make a photo of it and show it to us. We will tell what it is
Haha, thanks!
Found the pdf-file online: Набір датчиків 37 в 1 для Arduino в пластиковому органайзері купити в Києві та Україні.
Scroll down and you see two links, one to the pdf-file and one to a zip-file (just above the photos of the modules).
The pdf-file might have enough information.
Don't download the zip-file, those are not the English examples.
Find normal up-to-date libraries or sketches for the modules.
There is a 46-in-1 sensor kit with a pdf-file: https://www.sunrobotics.in/shop/product/2057-46-in-1-sensor-modules-kit-for-arduino-uno-r3-mega-2560-raspberry-pi-37-in-1-additonal-modules-8329.
Scroll down and you see "USER GUIDE DOWNLOAD", click on the pdf icon and then you can download that pdf-file.
Those two pdf-files should hopefully be enough.
Instead of using a big black hat, you could make a sharp photo of all the unknown modules (with numbers) and show it to us. We can figure it out, since they are the cheap well known modules.
@Koepel
Thanks a lot! Lots of good stuff to use. I've only had a first look. I hope Google translate makes a good job.
Found an RTC in the sack, a DS1302. Downloaded/installed 2 RTC libraries using the IDE.
The first question is what UNO pins to use for clock, data and enable. So far I haven't found that info reading .h, .cpp, ."everything".
No use to try rtc.begin yet as I think.
Example files looks like using I2C......
Any helper having tips?
Railroader:
Any helper having tips?
No, please don't use the DS1302. Its operation is unstable, the crystal is probably very cheap, and the libraries are also questionable and the communication with the DS1302 might get stuck. It does not use the I2C or SPI bus, it has its own three wires.
One module for the bin. Next !
Use the DS3231.
I could guess that DS1302 is old and more, worse. As the first post says, I bought a sack of 45 toys to have fun, maybe use some of them.
Now thinking about getting something out of this chip. The CR2032 looks like being fresh!
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