【Gravity:AS7341 Review】+Received Color Sensor

kangkls

【Gravity:AS7341 Review】+Received Color Sensor [Copy link]

 

 

After opening the box, I found that both anti-static bags were opened. I guess they had done another test.

Take a look at the true appearance of the color sensor. It is very small.

I got the Arduino board and found that the DuPont cable provided could not be directly connected to the Arduino board. So I found a DuPont cable with a male connector. So I suggested to the manufacturer whether the DuPont cable could be made into a male connector, which would be more convenient to connect to the Arduino board.

According to this line sequence, connect the sensor to the Arduino board.

Serial number	Silkscreen	Functional Description
1	+	Positive power supply
2	-	Negative pole of power supply
3	SCL	I2C clock line
4	SDA	I2C Data Line

w494143467

Looking forward to subsequent evaluations. I don’t know how the color recognition works and whether it has any requirements for the external environment.

kangkls

w494143467 published on 2020-12-20 14:24 Looking forward to the follow-up evaluation, I don’t know how the color recognition is, and whether it has any requirements for the external environment.

I thought the program provided could be used directly, but I didn't expect the compilation prompt

arduino\libraries\DFRobot_AS7341-master/DFRobot_AS7341.h:67:0: warning: "REG_AS7341_ASTATUS" redefined
#define REG_AS7341_ASTATUS 0X94

\arduino\libraries\DFRobot_AS7341-master/DFRobot_AS7341.h:29:0: note: this is the location of the previous definition
#define REG_AS7341_ASTATUS 0X60

w494143467

kangkls posted on 2020-12-20 14:57 w494143467 posted on 2020-12-20 14:24 Looking forward to the follow-up evaluation, I don’t know how the color recognition is, and whether there are any requirements for the external environment. ...

Is this a duplicate definition?

kangkls

w494143467 posted on 2020-12-20 15:51 Is this a duplicate definition?

It does not affect the execution. After downloading the code, the serial port returns for different colors.

F1(405-425nm):1
F2(435-455nm):8
F3(470-490nm):4
F4(505-525nm):4
F5(545-565nm):5
F6(580-600nm):5
F7( 620-640nm):4
F8(670-690nm):3
Clear:17
NIR:2
F1(405-425nm):1
F2(435-455nm):7
F3(470-490nm):4
F4(505-525nm) :4
F5(545-565nm):13
F6(580-600nm):12
F7(620-640nm):10
F8(670-690nm):6
Clear:34
NIR:4
F1(405-425nm):2
F2(435-455nm):9
F3(470-490nm):5
F4(505-525nm):8
F5(545-565nm):11
F6(580-600nm):11
F7(620-640nm):9
F8( 670-690nm):5
Clear:30
NIR:2
F1(405-425nm):1
F2(435-455nm):8
F3(470-490nm):4
F4(505-525nm):7
F5(545-565nm) :10
F6(580-600nm):9
F7(620-640nm):7
F8(670-690nm):4
Clear:24
NIR:2
F1(405-425nm):1
F2(435-455nm):5
F3(470-490nm):3
F4(505-525nm):6
F5(545-565nm):9
F6(580-600nm):9
F7(620-640nm):7
F8(670-690nm):4
Clear: 24
NIR:2
F1(405-425nm):0
F2(435-455nm):3
F3(470-490nm):2
F4(505-525nm):2
F5(545-565nm):6
F6(580-600nm) :6
F7(620-640nm):5
F8(670-690nm):3
Clear:16
NIR:2

kangkls

After blocking the color sensor window, all returned values are 0

F1(405-425nm):0
F2(435-455nm):0
F3(470-490nm):0
F4(505-525nm):0
F5(545-565nm):0
F6(580-600nm):0
F7( 620-640nm):0
F8(670-690nm):0
Clear:0
NIR:0
F1(405-425nm):0
F2(435-455nm):0
F3(470-490nm):0
F4(505-525nm) :0
F5(545-565nm):0
F6(580-600nm):0
F7(620-640nm):0
F8(670-690nm):0
Clear:0
NIR:0

kangkls

Green return code

F1(405-425nm):1
F2(435-455nm):5
F3(470-490nm):4
F4(505-525nm):9
F5(545-565nm):12
F6(580-600nm):10
F7( 620-640nm):8
F8(670-690nm):5
Clear:27
NIR:2
F1(405-425nm):1
F2(435-455nm):7
F3(470-490nm):5
F4(505-525nm) :11
F5(545-565nm):14
F6(580-600nm):12
F7(620-640nm):9
F8(670-690nm):6
Clear:32
NIR:4

kangkls

The data returned in red is not ideal, so it is identified as yellow.

F5(545-565nm):2
F6(580-600nm):4
F7(620-640nm):5
F8(670-690nm):4
Clear:8
NIR:2
F1(405-425nm):0
F2(435- 455nm):1
F3(470-490nm):1
F4(505-525nm):2
F5(545-565nm):4
F6(580-600nm):7
F7(620-640nm):10
F8(670-690nm) :7
Clear:15
NIR:2
F1(405-425nm):1
F2(435-455nm):3
F3(470-490nm):2
F4(505-525nm):3
F5(545-565nm):5
F6(580-600nm):9
F7(620-640nm):13
F8(670-690nm):9
Clear:20
NIR:2
F1(405-425nm):1
F2(435-455nm):3
F3(470- 490nm):2
F4(505-525nm):3
F5(545-565nm):5
F6(580-600nm):8
F7(620-640nm):13
F8(670-690nm):9
Clear:19
NIR:2
F1(405-425nm):1
F2(435-455nm):2
F3(470-490nm):1
F4(505-525nm):2
F5(545-565nm):3
F6(580-600nm):5
F7(620-640nm):8
F8(670-690nm):5
Clear:12
NIR:2
F1(405-425nm):0
F2(435-455nm):1
F3(470-490nm):0
F4(505- 525nm):1
F5(545-565nm):2
F6(580-600nm):4
F7(620-640nm):5
F8(670-690nm):4
Clear:8
NIR:2
F1(405-425nm):0
F2(435-455nm):1
F3(470-490nm):1
F4(505-525nm):2
F5(545-565nm):3
F6(580-600nm):6
F7(620-640nm):9
F8(670-690nm):6
Clear:13
NIR:2
F1(405-425nm):1
F2(435-455nm):3
F3(470-490nm):2
F4(505-525nm):3
F5(545- 565nm):5
F6(580-600nm):9
F7(620-640nm):13
F8(670-690nm):9
Clear:20
NIR:2

w494143467

This shows the nm light absorbed, right? Is the color displayed based on this? What is the resolution?

okhxyyo

DFRobot AS7341 Visible Spectrum Sensor Review and Trial

Summary post: https://bbs.eeworld.com.cn/thread-1152568-1-1.html

kangkls

w494143467 Published on 2020-12-20 21:31 This shows the absorbed nm light, right? Is the color displayed based on this? What is the resolution?

My current understanding is that the colors are distinguished based on the returned data. As for the resolution, I don't know how to answer you.

kangkls

After downloading the second program, the small light is flashing.

Serial port output

No flicker
No flicker
No flicker
No flicker
No flicker

w494143467

kangkls posted on 2020-12-21 19:40 This is how I understand it at present. The colors are distinguished according to the returned data. As for the resolution, I don’t know how to answer you.

Then let’s take a look at the color recognition effect~

dql2016

Good look

kangkls

w494143467 Published on 2020-12-21 20:52 Then let's take a look at the color recognition effect~

I have been looking for things of different colors these days. I will test them for you. What kind of effect do you want to see? I am currently planning to read the raw data of each color object. How is it? If you have any ideas, please give me more suggestions.

kangkls

dql2016 posted on 2020-12-22 13:26 Looks good

Your avatar is also very good.

w494143467

kangkls posted on 2020-12-24 18:50 I have been looking for things of several colors these days. I will test them for you to see what kind of effect you want to see? I am currently planning to read out objects of each color...

Okay, I’ll tell you if I have any ideas!

freebsder

They all use Arduino, which is very convenient for quick testing.

kangkls

freebsder posted on 2020-12-25 18:35 They all use Arduino, this thing is very convenient to touch quickly.

For some reason, one of my laptop's USB ports can communicate with the Arduino board, but it can't program or power the Arduino board. I can just change the USB port and it will work.