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| import time | |
| import board | |
| from adafruit_bus_device.i2c_device import I2CDevice | |
| i2c = board.I2C() # uses board.SCL and board.SDA | |
| pt2258 = I2CDevice(i2c, 0x44) | |
| # define CHANNEL1_VOLUME_STEP_01 0x90 | |
| # define CHANNEL1_VOLUME_STEP_10 0x80 | |
| # define CHANNEL2_VOLUME_STEP_01 0x50 |
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