This means you can turn off a device, keep it off for 3 days, and come back and turn it onand it can still run the program that was programmed in it. So basically, the EEPROM stores and runs a program no matter what.
So when you power off the boardand then power it back on, the program that was written to the EEPROM can be run. This means that even when the board is powered off, the EEPROM chip still retains the program that was written to it. There's a whole series of videos about this project on YouTube as well.ĮEPROM is very important and useful because it is a non-volatile form of memory. This EEPROM programmer was designed as part of a larger project to build an 8-bit computer from scratch. For much more, check out the complete video describing the hardware and software for programmer in detail.This can be very useful for applications that require calibration, or the storage of a user’s favorite settings. EEPROM with Arduino – Two Types Adding EEPROM to our Arduino designs can allow our projects to retain data after being powered down.Optionally, you can have it pre-assembled, and also purchase a pre-programmed Mega 2560. The kit includes PCB, 28-way ZIF socket (option of budget or high-quality versions), header pins, indicator LEDs (one for 'Read' and one for 'Write') and resistors. It's a simple EEPROM programmer shield, designed to sit on top of an Arduino Mega 2560.
#EEPROM IS WRITE PROTECTED HOW TO#
In this project, we will show how to connect an 24LC256 EEPROM chip to an arduino micrcontroller.ĮEPROM stands for Electrically Erasable Programmanble Read-Only Memory.