Hi All, New Arduino user here... Been making a ton of progress on my project (guitar pedalboard controller)... I'm using the extended DB library to keep "presets" stored on eeprom. I was hoping to have one sketch to store the presets in eeprom, and then my regular sketch to run the pedalboard and…

retain eeprom on sketch upload

Grumpy_Mike May 21, 2012, 5:05pm 5

The standard arduino does not erase EEPROM memory when uploading a new sketch.

Topic		Replies	Views
EEPROM save sketch upload Avrdude, stk500, Bootloader issues	9	1390	May 6, 2021
Does EEPROM data survive upload? Programming Questions	8	635	April 17, 2023
Upload Using Programmer (AVRISPMKII) erases EEPROM everytime IDE 1.x	2	983	May 5, 2021
EEPROM reset after upload sketch (fuse setting help). Arduino Yún	8	4819	May 6, 2021
EEPROM not erasing after sketch upload Programming Questions	5	196	December 12, 2023