Difference between revisions of "I2C DAC"
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sudo i2cset -y 1 0x60 0x40 0xff 0xf0 i |
sudo i2cset -y 1 0x60 0x40 0xff 0xf0 i |
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^^ ^ < Voltage bits |
^^ ^ < Voltage bits |
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explanation of the arguments: |
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-y don't ask confirmation |
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1 number of the I2C bus (0 on older raspberry pi's) |
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0x60 address of the DAC, use 0x61 for the other DAC. |
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0x40 configuration: normal. |
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0xff high 8 bits of the value |
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0xf0 lower four bits of the value (in the high nibble) |
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Revision as of 13:50, 11 March 2014
Set a voltage:
sudo i2cset -y 1 0x60 0x40 0xff 0xf0 i
^^ ^ < Voltage bits
explanation of the arguments:
-y don't ask confirmation 1 number of the I2C bus (0 on older raspberry pi's) 0x60 address of the DAC, use 0x61 for the other DAC. 0x40 configuration: normal. 0xff high 8 bits of the value 0xf0 lower four bits of the value (in the high nibble)