I have some DFRobot "Gravity" sensors that I am using for a project. I have so far been very confused with the results and am wondering if my sensors just don't work. If that is the case, are there any RGB color sensors (or other color sensors) that I could buy that would arrive within 2 days?
I had a quick look at the DFRobot gravity sensors page (Gravity: Analog Ambient Light Sensor For Arduino -DFRobot) and I found no RGB color sensors. So I'm not sure what specific sensor(s) you are having trouble with.
Having said that, in terms of RGB color sensors, a popular choice at this moment would be something like the TCS34725 which interfaces via I2C to just about any microcontroller and should work with any Arduino that supports I2C (so pretty much any of them, including the UNO). TCS34725 modules are available from a variety of manufacturers including the popular Adafruit. Arduino libraries are available and fairly easy to use.
What kind of sensitivity and resolution do you need?
I have a DFRobot gravity TCS34725, but I do not know how to make it work.
Follow the product wiki (tutorial), linked on the product page.
I ended up using an analog DFRobot grayscale sensor I had, and it works really well.
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