Hello Ryan, but our examples provided with the library work fine when you have proper cabling, slave address and registry ID. Please share with us your sketch which does not work.
you are right. CONTROLLINO screw terminal outputs are “High Side Switches”. So they are just connecting the supply voltage to the output, but not the ground.
Please note that only CONTROLLINO MEGA has 12x Half-H bridge output with connects also the ground.
I assume that the frequency will be limited by the ESD protection at the inputs. MINI and MAXI are the same from this point of view. It should be fast enough for your purpose.
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