Hello Schnee, I had misunderstanding what you suggested me, I raised my frequency to 30Khz, then it worked!!!
Thank you for you help!! best regards Jack 2014-05-25 15:24 GMT+08:00 李宗哲 <[email protected]>: > Hello Schnee, > > I have tried to lower the frequency. But it didn't work , > I took the video https://www.youtube.com/watch?v=_Xy-ycQDiNI > > Thank you for you help!! > > best regards > Jack > > > 2014-05-25 12:23 GMT+08:00 李宗哲 <[email protected]>: > > Hello Schnee, >> >> This is the motor I am using (http://www.pololu.com/product/114/specs). >> I'll try to lower the frequency! >> >> And what do you mean " left out the capacitors for simplicity"? >> >> Thank you for your help! >> >> best regards >> Schnee >> >> >> 2014-05-25 12:13 GMT+08:00 <[email protected]>: >> >> Hello Jack, >>> >>> I hope you had just left out the capacitors for simplicity. Otherwise I >>> definetly suggest to have them. >>> >>> Try to use a PWM frequency lower than 100kHz. Something like 30kHz is >>> also ok. >>> Try with a duty cycle lower than 100%, maybe 30% or 50% for the moment. >>> >>> It sounds a little bit as your power supply drops for a second, when you >>> try to start the motor. Maybe you >>> should think about connecting VM to the 9V directly. What type of motor >>> are you using? >>> >>> best regards >>> Schnee >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "ioio-users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/ioio-users. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
