All Questions
11 questions
1
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0
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671
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Arduino Mega as a EEPROM Programmer for Winbond W29EE011 memories
I'm trying to use my Arduino Mega as an EEPROM memory writer. For this project, besides my Arduino Mega, I use an SD Card module, an LCD display and two push buttons to handle the events. Inside the ...
- 11
1
vote
1
answer
1k
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nRF52 non-volatile storage/recall of a variable - is there a simple solution?
I have an Arduino program written for the nRF52 with which runs for a pre-set time-value (i.e. 2 minutes) before shuts off automatically. The variable time-value can be changed via BLE-write by the ...
- 71
1
vote
1
answer
1k
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Why isn't this EEPROM.get() working?
I am trying to save a string/char to EEPROM with EEPROM.put() and then get the value, but it doesn't work and I get a blank value when I do a EEPROM.get().
I remember this is how it worked on arduino ...
- 252
1
vote
1
answer
275
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Junk values in EEPROM. while writing large values
Facing an issue while writing a large value (like 2000-5000) to EEPROM using EEPROM.put().
For example, While writing 2000 values to address 5 of EEPROM. Some junk values are written automatically to ...
- 205
-1
votes
1
answer
329
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EEPROM not consistent over reboot
I'am using a Wemos D1 mini V3.0.0 (esp 8266 core).
I tried to save a structure in EEPROM memory but all data are lost when i reboot the board.
I am using these basics functions :
int cle_verif = ...
4
votes
3
answers
8k
views
Spiffs vs Eeprom on esp8266
In my project, i have some data to save permanently. After some research i got many examples and informations to do that with eeprom. I used it effectively.
After all i decide to deep dive to esp8266 ...
3
votes
1
answer
117
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Best way of storing extra data for Arduino project
I am an arduino beginner and I am trying to make a speed camera alert system, it would start beeping if I am above the speed limit and getting close to the speed camera. There is this website where I ...
- 33
1
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1
answer
533
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Arduino eeprom_put sketch writes data in two locations?
Using precisely this code - the eeprom_put example in the Arduino IDE, and am seeing some strange results...
The sketch does write correctly to eeAddress = 0, and the corresponding eeprom_get sketch ...
- 113
2
votes
2
answers
4k
views
Update variable using buttons
I made a part of code to change the temperature limit for alarm system. On warm days user have to change the temperature limit with buttons and OLED display.
The question is: How can the variable ...
- 151
7
votes
4
answers
28k
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Can you access the EEPROM of an ATtiny with Arduino Code?
I'm attempting to reduce the amount of RAM being used by my program by writing some values to the EEPROM of my micro controller. I'm currently programming on the ATtiny85 which has 512 Bytes of EEPROM....
- 203
1
vote
1
answer
781
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EEPROM - Storing Static Data
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 ...
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