Ok, then change cmd to send over I2C. I think i2c.writeTo(0x3C, [0,c]); should do it.
cmd
i2c.writeTo(0x3C, [0,c]);
@Gordon started
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Ok, then change
cmd
to send over I2C. I thinki2c.writeTo(0x3C, [0,c]);
should do it.