Wing Kent Kwan wrote: > how can I do when power supply shut down 1-2second, > to keep the Vcc of MCU to Running 1-2second. > (use capacitor) > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. The Ultracap series will do this just fine. -- * | __O Thomas C. Sefranek tcs@cmcorp.com |_-\<,_ Amateur Radio Operator: WA1RHP (*)/ (*) Bicycle mobile on 145.41, 448.625 MHz http://hamradio.cmcorp.com/inventory/Inventory.html http://www.harvardrepeater.org -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.