Timeline for How do I protect SD card against unexpected power failures?
Current License: CC BY-SA 2.5
3 events
| when toggle format | what | by | license | comment | |
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| Dec 11, 2011 at 3:10 | comment | added | The Photon | The concept is good though. A quick search found Illinois Capacitor (illinoiscapacitor.com) has supercapacitor up to 8 F and able to support currents up to 4 A. Adding one of these, or a battery, would give the micro a chance to finish a write and shut things down nicely if the main power source failed. | |
| Dec 30, 2010 at 17:14 | comment | added | W5VO | It would hold the memory of the PIC, but it has a 10uA max current rating. I don't think you could write to a SD card on that much current. | |
| Dec 30, 2010 at 16:32 | history | answered | pingswept | CC BY-SA 2.5 |