1 RPM?? You mean with a gear or the shaft itself of the motor has to be rotated at 1rpm? Is that possible at all? Tamas On 1/11/07, antoniasse wrote: > > Thanks Jinx to replay, > > I have been using 1 to 200RPM. > I got this using a converter freq/Vcc (LM2917) linked with the > SG3524 plus a FET to driving the motor. > I would like a new idea get the same. > I tried do this using PIC with PWM and a FET, but the result was not good. > I tried several ways, but I didn't get a 1 RPM yet. > > Any idea? > > Luis F > > > > > > > >> I have been using CI SG3524 Texas to control a DC motor 1/8HP > >> and 24VCC. > >> > >> I am looking for new alternatives of circuits integrated to drive > >> this motor. > > > > What are you using now ? Do you want bi-directional drive ? It > > looks like the SG3524 has linked alternating outputs so I presume > > it doesn't do bi-directional drive. As you've posted this under the > > [PIC] tag, why not a PIC and an external bipolar/FET or H-bridge > > > > eg add PWM to this > > > > http://www.bobblick.com/techref/projects/hbridge/hbridge.html > > > > -- > > http://www.piclist.com PIC/SX FAQ & list archive > > View/change your membership options at > > http://mailman.mit.edu/mailman/listinfo/piclist > > > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- unPIC -- The PIC Disassembler http://unpic.sourceforge.net -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist