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I2C EEPROM for Arduino - 256kbit
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/I2C+EEPROM+for+Arduino+-+256kbit?
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Pin 1 2 and 3 determine the address of the chip; I2C uses 7 bit addresses + 1 control bit. With the code available on the Arduino Playground link above, you don't have to worry about the control bit. The EEPROM chip's address in binary will be 1010XXX where XXX is Address 2, Address 1, and Address 0 in that order. For example, if Pin 1 2 3 are Low Low High in that order, the binary address will be 1010001, or Hex 0x50.
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Product Info I2C EEPROM - 256kbit sku: COM-00525 Description: 2 Wire Serial Communication (I2C) EEPROM - The back bone of any microprocessor project. These 8 pin chips need only two wires to communicate and retain their data even with power failure. Use the 256K EEPROM for some serious data storage!Check out this Arduino Tutorial! Check out the Portuguese Arduino Tutorial and accompanying Windows App, by Daniel Gonçalves. Datasheets: 24LC256
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(US)
