In the case that the I/O expander pins can sink current when off (not Hi-Z), we may need to increase the pulldowns from 1k to 47k/100k/220k, etc. May not be able to reach true 0% duty cycle on PWM, otherwise.
Early in the morning for me, so may be over-thinking.
In the case that the I/O expander pins can sink current when off (not Hi-Z), we may need to increase the pulldowns from 1k to 47k/100k/220k, etc. May not be able to reach true 0% duty cycle on PWM, otherwise.
Early in the morning for me, so may be over-thinking.