Papabravo Well-Known Member Most Helpful Member May 3, 2009 #2 A 555 configured as an astable multivibrator with a pot should do the trick. Check the datasheet.
J Janis1279 Member May 3, 2009 #3 AM3030 module from : AM Attachments SSM2030.pdf 1.8 MB · Views: 196 SSM2038.pdf 316.6 KB · Views: 173