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by devindunseith
Wed Apr 10, 2013 11:16 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI ADC was working fine last week and now it's not
Replies: 27
Views: 6546

Re: SPI ADC was working fine last week and now it's not

Are you definitely giving the ADC enough power? I had a similar problem with an AD7908 ADC because I was trying to drive it off the Pi's 5V supply (which actually sits at ~4.7 V). The Pi's supply lines and ground are also a bit noisy which can cause errors in the ADC. After a few days of it not work...

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