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Hi..
This is what I have this far,
I want to connect FPGA Spartan 3E and MQ-7 CO gas sensor. Firstly, I know that this sensor is analog device. So that I have to convert the signal. I'm intend to use Analog Capture Circuit from Spartan 3E board. MQ-7 need 2 kind of voltage: 5V and 1.4V. From the...
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