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Note: This sensor will EOL soon, please consider the new version Grove - I2C color sensor V2.
The video shows how to recognize different colors with the sensor and then to drive the lamp lighting in blue, green, yellow, orange and red accordingly.
This module is based on the color sensor TCS3414CS with digital output I2C. Based on the 8*2 array of filtered photodiodes and 16-bits analog-to-digital converters, you can gain the color chromaticity of ambient light or the color of objects. Of the 16 photodiodes, 4 have red filters, 4 have green filters, 4 have blue filters and 4 have no filter(clear). With the synchronization input pin, external pulsed light source can provides precise synchronous conversion control.
Grove compatible interface
16-Bit digital output with I 2C at 400 kHz
SYNC Input Synchronizes Integration Cycle to Modulated Light Sources
Operating temperature range -40°C to 85°C
Programmable interrupt function with User-Defined Upper and lower threshold settings
Wiki of Grove - I2C Color Sensor
How can i connect more then one color sensor on a base shield? I tried with different addreses but it doesnt seem to work?
hi~you can use software I2C, that's, use a normal as i2c interface, you can refer to my github: https://github.com/reeedstudio...just have a try~
Is it posible to power the vcc with 5v but have the i2c run over 3v?
Hi Thomas Huster.Yes you can.
What is the black ring for? Is it simply there for light shielding and spacing or is it meant for screwing in lenses or cuvets?
Hi,it is just for light shielding and spacing.
The wiki suggests that the built-in white LED can be deactivated for use with an external light source. However, I cannot determine how this can be done. Can you explain how to do this?
There is a switch SW1 on the board. You can toggle it to make the LED on or off. So if you want to use external light source,just turn the on board led off.
We are thinking in using the I2C color sensor to detect different line colors painted in a floor, as the robot moves around. The sensor must be at 2 or 3 centimeters from the floor. Can you tell us if the sensor is suitable for this applic
Yes you can use it at 2 or 3cm. You will need a lens or fiber optic cable. One end of fib optic cable needs be cut flush and pressed against the chip. The other end needs to ber very close to the sample source. Light will have to be introduced at the s
Can this sensor be connected directly to arduino I2C without the grove interface? And would the demo program stil work??
You can use jumper wire to connect VCC GND TX RX to arduino board.Demo program still work.
Can you tell me what is maximum detection distance? Is it just 2-3 cm, or more, like 15-20cm ?
Hi~It seems difficult to work in 15~20cm,This sensor will be out-of-true when you work in a long detection distance.I suggest that this color sensor work in less than 5cm.have a happy day~
What does the INT pin on the right of the Grove connector does?
Hi~you can use the cable to connect this grove with the base shield.(http://www.seeedstudio.com/dep...or you can link th