GrovePi+ Reset LED

Archives GrovePi
1

Hi

I would like to know why i2c is not detecting the grove pi+ which is connected to the raspberry pi 2.
And the RST led is light up, may i know the reason and solution to resolve this?

Thanks

2

Can you give us a little more information? How did you test the I2C?

3

What i did was through this command:
sudo i2cdetect -y 1.

The Command works but it just show that it did not detect the grove pi.
When I connect the grove pi to the raspberry pi and power it up, the grove pi has both the PWR and RST light up.

4

Hi Aprilee the firmware may be corrupted if the i2cdetect doesn’t return anything. Can you past the results of i2cdetect?

If that doesn’t work, run the firmware update script: https://github.com/DexterInd/GrovePi/blob/master/Firmware/firmware_update.sh

It should be in the GrovePi folder, /GrovePi/Firmware/firmware_update.sh

5

Hi,

I am having the same problem (power & reset light both on and cant even get the led blink to work). I ran the firmware update and it seems to have worked but when I run sudo i2cdetect -y 1 it shows that:

pi@raspberrypi ~ $ sudo i2cdetect -y 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: – -- – -- – -- – -- – -- – -- –
10: – -- – -- – -- – -- – -- – -- – -- – --
20: – -- – -- – -- – -- – -- – -- – -- – --
30: – -- – -- – -- – -- – -- – -- – -- – --
40: – -- – -- – -- – -- – -- – -- – -- – --
50: – -- – -- – -- – -- – -- – -- – -- – --
60: – -- – -- – -- – -- – -- – -- – -- – --
70: – -- – -- – -- – --

6

Hey,
Can you run the following commands to see if the red reset light turns off: gpio mode 8 out and gpio write 8 1. Does restarting the GrovePi after the firmware update make the red reset led turn off. Can you post the output of the GrovePi firmware update as well as a few pictures of the GrovePi top and bottom side so that I can have a look for any problems with the board itself.

-Karan