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Electronically Erasable ROM is a type of memory available on most boards. It is used for storing persistent data. Use the tag for questions about the EEPROM library or the hardware.

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I'm trying to clear my EEPROM and am using this code: #include <EEPROM.h> void setup() { // write a 0 to all 4096 bytes of the EEPROM for (int i = 0; i < 4096; i++) EEPROM.write(i, 0); delay …
asked Jun 28 '16 by acpilot
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); EEPROM.begin(512); delay(5000); Serial.println("clearing EEPROM..."); // write a 0 to first 1000 bytes of the EEPROM for (int i = 0; i < 1000; ++i) { EEPROM.write(i, -1); } EEPROM.commit … (); delay(5000); Serial.println("Reading EEPROM ssid"); String esid; for (int i = 0; i < 64; ++i) { esid += char(EEPROM.read(i)); } Serial.print("SSID: "); Serial.println(esid …
answered Jun 28 '16 by acpilot
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For those of you familiar with my somewhat steep EEPROM learning curve...thank you for continuing to share your knowledge. I see how it's supposed to work and it's falling into place. I've run into … and saves it to EEPROM. It works as intended when only SSID and PASS fields are provided on the form. I added an "owner" field to add my name to the EEPROM (because why not?) and now the PASS field …
asked Jun 29 '16 by acpilot
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I'm trying to store four items to EEPROM. I can do one item no problem, I just don't know how to make the jump to multiple items. My code: #include <EEPROM.h> char sgrpID[31] = "acpilot's arduino … , corrections, or general guidance is appreciated. I've moved beyond the "novice" stage of basic Arduino programming but an completely new to EEPROM. If in doubt, SLOWER AND LOUDER is by far the best …
asked May 14 '16 by acpilot
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I'm using EEPROM to store long term data for use in sketches (thanks to DarthRubik for the guidance). I store stuff like a location ("Garden") and a device name ("Greenhouse Monitor 02") plus … data to the relevant fields in my AWS db. Piece o' cake! When I store it in the EEPROM, the extra time required to find it in EEPROM, pull it through the sketch, and then push it through to the db …
asked May 19 '16 by acpilot