In this tutorial you will learn how to interface with an AT25HP512 Atmel serial EEPROM using the Serial Peripheral Interface (SPI) protocol. EEPROM chips such as this are very useful for data storage, ...

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In Arduino Uno, the EEPROM space can store up to 1024 bytes. A single byte can store 8 bits of information, and 8 bits can store a number from 0 to 255. In the Arduino IDE versions prior to 1.6.2 you ...

Every time one of us flashes an Arduino’s internal memory, a nagging thought in the backs of our minds reminds us that, although everything in life is impermanent, nonvolatile re-writable mem… ...

Meet the Arduino Compatible RFID Reader Module. It can hold card data for up to five cards, takes seconds to program, and holds card data in EEPROM memory, which means that the cards are saved ...

Learn how to initialize and manage EEPROM settings on Arduino to store data like user preferences, calibration values, or configuration settings — even after power off! This trick helps make ...