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  • 28/06/2017

    This kit is excellent but be aware: 1. None of the modules are labeled 2. Two of the modules contain beads of elemental (liquid) mercury contained within their tilt switches. Mercury is extremely toxic when oxidized or when vapors or byproducts are ingested. Do not allow children to use these modules. Inspect each module carefully before opening the container. If mercury leaked properly dispose of the entire kit and call your local hasmat. Follow their directions on proper disposal. Call your carrier and ensure they are aware that there was a mercury spill. You are responsible for the leakage of mercury including the cost of cleanup. This is not something to purchase as a gift for someone who does not understand these risks. These modules are not toys. I wish they weren't included in a kit obviously marketed towards beginners. Simple ball bearing tilt switches are more than sufficient in this role. All other modules are excellent though once you figure out what each does!

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  • 31/08/2017

    Print stickers for blisters of the sensors kit... To help identification and usage.

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  • 26/11/2017

    Many sensor for its price, but comes without any info about modules, so I did video with detailed description for each module separately, if you need lok at my video :

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  • 25/05/2017

    Plese see following documentations:

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  • 09/09/2017

    Tested all 37 items, but the following items are defective. You can find image of the parts from KY013: Analog Temperature Sensor PCB has bad soldering. The 10k resistor should sit between Vcc (5V) and one end of the thermistor, but instead it is connected directly to ground. KY015 Digital Temperature/Humidity DHT11 module Bad soldering. Ground is shorted with Vcc. This almost fried my Arduino. KY018: Optosensor Module Bad soldering. The photoresistor is NOT connected with the 10k resistor so reading is always 0. KY026: Flame Sensor Module: Analog output is always around 1024 regardless of amplifier gain set via the pot KY011: Dual Light LED module I should have check the PCB before connecting the middle pin directly to Vcc and got the LED burnt. But nowhere does the documentation says that there is no current limiting resistor on the module. The PCB even includes a zero ohm resistor that is not connected to anything that fooled me into thinking that the current limiting resistor is included, just like the all the other LED module. So please include a current limit resistor in the future (or at least indicate that an external resistor is needed in the documentation) Fortunately banggood sent me replacements after I contacted them.

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  • 19/06/2018

    none of the module has any label, can use attached file to identify each module

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  • 11/01/2018

    This is really huge selection modules. They are ready to use, and are great for learning and prototyping. To play with them, beside microcontroller you will also need breadboard ( ) and jumper wires ( )

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  • 20/11/2017

    This is really huge selection of sensors. They are ready to use, and are great for learning and prototyping. To play with them, beside microcontroller you will also need breadboard ( ) and jumper wires ( )

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  • 02/12/2019

    Described with 3 words "Value for Money". Good quality of electronics, very cheap and 100% working. Here in Greece these electronics cost like 2-3$ each. Imagine spending 7.50$ for 37 sensors instead of 74-111$. I just saved so much money buying these from Banggood and in general from China. I chose the 15day delivery and they arrived 3 days before the expected date of delivery. Nothing more to say, another great and value for money by from Banggood. Love this site!

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  • 30/01/2018

    was surprised at what 37 sensors look like once i layed them out. each piece is individually wrapped and there was a piece of paper with a list of the sensors but no pinout schematic for each one. i burned the humidity sensor by plugging it in with polarity reversed because i asssumed it was the same as another one i had. overall they are of decent quality and after learning to double check the layout of the pins all the others have worked well.

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