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GreenHouse Tutorial [message #1720308]

Sat, 16 January 2016 14:40

Ismail Atitallah

Messages: 1
Registered: January 2016

Junior Member

Dear fellow developers,

I followed the tutorial with sensors directly connected to the I2C bus and GPIO pins.:
http://iot.eclipse.org/java/tutorial/
But as result I have nothing but an empty page.
I read the topic of "sou mou" and while executing the command "sudo i2cdetect -y 1", I obtained the second picture as result, like there is nothing connected.
Help me

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Re: GreenHouse Tutorial [message #1720922 is a reply to message #1720308]

Thu, 21 January 2016 20:07

David Woodard

Messages: 420
Registered: July 2014

Senior Member

Hello,

What model Raspberry Pi are you using? If it is the older Raspberry Pi, you need to check the other I2C bus:

sudo i2cdetect -y 0

If nothing is showing on either bus, you need to check your sensor connections. Make sure the wires are going to the appropriate pin outs. The tutorial assumes you are using a RPi B+, if not, you will need to refer to the header pinout for your model.

Thanks,
--Dave

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