By: Gursi
Thanks you so much. Can you please tell me how to store more than 1 byte in EEPROm. For example, IR infrared protocol (NEC Protocol) has more than 32 bits, but I want to store it in the EEPROM. So can...
View ArticleBy: John Boxall
You need to divide up your data into bytes, then store them sequentially, that is spread out your data over single bytes in a row in the EEPROM. john
View ArticleBy: elben montil
Good Day Sir, Thank for the tutorial.. But I have a problem sir, on how to save the data in the eeprom when I press the keypad to make a password.
View ArticleBy: John Boxall
If you are using my keypad examples, just write in the contents of the array to EEPROM.
View ArticleBy: Th3badwolf
Hi Mr. Boxall,I’ve tried to post a comm but it got deleted or spammed i guess. If you could reach me by email asap I’d appreciate it thanks.
View ArticleBy: ametist
Hi John , Could you explain us how to store array value in built-in eeprom with keypad and eeprom library please. Instead to write it on lcd, save it in eeprom: void loop() { char key =...
View ArticleBy: John Boxall
Due to time constraints and fairness, I don’t write custom code for people. Please review the tutorials, work through the examples and you should then have the knowledge to take care of it.
View ArticleBy: Jitu Kumar
hello can u make Prepaid Energy Meter how can store data in eeprom if power if off i want to store the data like meter reading in the eeprom when i restart the program i want data is start to where the...
View ArticleBy: John Boxall
If you like I can organise a consulting engineer to design this for you. The charge is Au$60 per hour.
View ArticleBy: Stewart
The life cycle described here is a little ambiguous. The eeprom can be written/re-written at least 100,000 times. It can be read an almost infinite number of times.
View ArticleBy: DRAI Francis
Hello John I am newbie in arduino word. I want to have a clarification about the memory usage in arduino box: is the flash memory dedicated to the program or part of it can be used to store data?...
View ArticleBy: John Boxall
Thanks for your feedback. The flash memory is just for your program. You can store data as long as it is defined in the sketch before hand.
View ArticleBy: Pixel_k
Hi, and first, thank you very much for your tutorials. Thanks to you and a few others I was able to enter Arduino world with confidence. In this tutorial you may have added a few sample about how to...
View ArticleBy: John Boxall
Hello Thanks for your feedback and suggestion, I will investigate this further. cheers john
View ArticleBy: Sergio
Great tutorial as always, it has completely cleared how EEPROM works !!! As it has been said, it would be nice to expand this tutorial with just an example on how you could store a long number. Thanks...
View ArticleBy: John Boxall
Thanks for your feedback Sergio. You could do some bitwise arithmetic and chop up a large number into bytes, then reconstruct it. I will work on it soon. cheers john
View ArticleBy: Sergio
Great, I have come up with a very basic / simple solution for my proyect, I am going to test it and if it works I will post it here. Nevertheless, I would really appreciate a proper way of handling...
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By: John Boxall
Hello Each cycle in my demonstration was a read/write to each address. The final count was the number of my cycles until one of the addresses was at fault. Therefore this exceeded the data sheet...
View ArticleBy: Sergio
Great, thanks for that explanation. I thought each write OR read counted towards the 100,000 limit, but its a cycle of both of them which add a unit. I will do my calculations using the 100,000 cycles,...
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