{"product_id":"at24c256-eeprom-non-volatile-board-iic-i2c-two-wire-bus-module","title":"AT24C256 EEPROM Non-Volatile IIC I2C Board – AT24C Series Module","description":"\n\u003ch2\u003eAT24C256 EEPROM Non-Volatile Memory Board – IIC \/ I2C Two-Wire Bus\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAT24C256 EEPROM Non-Volatile Board\u003c\/strong\u003e is a compact, ready-to-use memory module designed for electronics prototyping, embedded systems, and DIY microcontroller projects. Featuring an onboard 8P DIP chip socket, it supports the full \u003cstrong\u003eAT24C series\u003c\/strong\u003e of EEPROM chips — from AT24C01 all the way up to AT24C256 — giving you flexible, non-volatile data storage over a simple IIC (I2C) two-wire interface.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal AT24C Series Compatibility:\u003c\/strong\u003e Onboard 8P chip holder accepts AT24C01, AT24C02, AT24C04, AT24C08, AT24C16, AT24C32, AT24C64, AT24C128, and AT24C256 chips.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIIC \/ I2C Two-Wire Interface:\u003c\/strong\u003e Simple SDA\/SCL communication makes integration with Arduino, Raspberry Pi, STM32, and other microcontrollers straightforward.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin-Selectable Power Supply:\u003c\/strong\u003e Onboard power indicator LED confirms the board is powered and ready.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Volatile Storage:\u003c\/strong\u003e Retains stored data even when power is removed — ideal for configuration data, sensor logs, and user settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact PCB Design:\u003c\/strong\u003e Small footprint fits neatly into breadboards and custom enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWrite-Protect Support:\u003c\/strong\u003e Hardware write-protect pin helps safeguard stored data from accidental overwrites.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Address Options:\u003c\/strong\u003e Configurable I2C address via onboard address pins allows multiple modules on the same bus.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Chips:\u003c\/strong\u003e AT24C01 to AT24C256 (8P DIP)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e IIC \/ I2C (Two-Wire Bus)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 3.3V \/ 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard LED:\u003c\/strong\u003e Power indicator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI2C Address:\u003c\/strong\u003e Configurable via A0, A1, A2 pins\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × AT24C256 EEPROM Non-Volatile Board (IIC Two-Wire Bus)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino and Raspberry Pi projects requiring persistent data storage\u003c\/li\u003e\n  \u003cli\u003eEmbedded systems development and prototyping\u003c\/li\u003e\n  \u003cli\u003eStoring configuration parameters, calibration data, or user settings\u003c\/li\u003e\n  \u003cli\u003eElectronics hobbyists and students learning I2C communication\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for more components for your electronics projects? Explore our \u003ca href=\"\/products\/ccb-flat-round-spacer-beads-diy-jewelry-making\"\u003eDIY making accessories\u003c\/a\u003e or browse our \u003ca href=\"\/products\/round-aluminum-wire-diy-jewelry-making-1mm-3mm\"\u003eRound Aluminum Wire for DIY projects\u003c\/a\u003e. For other creative builds, check out our \u003ca href=\"\/products\/glow-in-the-dark-natural-stone-round-beads-diy-jewelry-making\"\u003eGlow in the Dark Natural Stone Round Beads\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which AT24C EEPROM chips are compatible with this board?\u003c\/h4\u003e\n\u003cp\u003eA: This board is compatible with the full AT24C series of 8P DIP EEPROM chips, including AT24C01, AT24C02, AT24C04, AT24C08, AT24C16, AT24C32, AT24C64, AT24C128, and AT24C256. Simply insert your chosen chip into the onboard 8P socket.\u003c\/p\u003e\n\u003ch4\u003eQ: What microcontrollers can I use with this EEPROM IIC board?\u003c\/h4\u003e\n\u003cp\u003eA: The board uses the standard IIC (I2C) two-wire protocol (SDA + SCL), making it compatible with virtually any microcontroller that supports I2C — including Arduino (Uno, Nano, Mega), Raspberry Pi, STM32, ESP8266, and ESP32.\u003c\/p\u003e\n\u003ch4\u003eQ: What voltage does this EEPROM board operate at?\u003c\/h4\u003e\n\u003cp\u003eA: The board supports both 3.3V and 5V power supplies, making it versatile for use with both 3.3V systems (like Raspberry Pi) and 5V systems (like Arduino Uno). The onboard power indicator LED will light up to confirm correct power delivery.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use multiple EEPROM boards on the same I2C bus?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The board features configurable address pins (A0, A1, A2) that allow you to set up to 8 unique I2C addresses, enabling multiple boards to share the same two-wire bus without conflicts.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which AT24C EEPROM chips are compatible with this board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This board is compatible with the full AT24C series of 8P DIP EEPROM chips, including AT24C01, AT24C02, AT24C04, AT24C08, AT24C16, AT24C32, AT24C64, AT24C128, and AT24C256. Simply insert your chosen chip into the onboard 8P socket.\"}}, {\"@type\": \"Question\", \"name\": \"What microcontrollers can I use with this EEPROM IIC board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board uses the standard IIC (I2C) two-wire protocol (SDA + SCL), making it compatible with virtually any microcontroller that supports I2C — including Arduino (Uno, Nano, Mega), Raspberry Pi, STM32, ESP8266, and ESP32.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage does this EEPROM board operate at?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board supports both 3.3V and 5V power supplies, making it versatile for use with both 3.3V systems (like Raspberry Pi) and 5V systems (like Arduino Uno). The onboard power indicator LED will light up to confirm correct power delivery.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use multiple EEPROM boards on the same I2C bus?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The board features configurable address pins (A0, A1, A2) that allow you to set up to 8 unique I2C addresses, enabling multiple boards to share the same two-wire bus without conflicts.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"AT24C256 EEPROM Non-Volatile IIC I2C Board – AT24C Series Module\", \"item\": \"https:\/\/0i45ne-c8.myshopify.com\/products\/at24c256-eeprom-non-volatile-board-iic-i2c-two-wire-bus-module\"}]}\u003c\/script\u003e","brand":"Zpaxo","offers":[{"title":"1pcs AT24C08","offer_id":54266224967990,"sku":"14:1254#1pcs AT24C08","price":2.93,"currency_code":"USD","in_stock":true},{"title":"1pcs AT24C04","offer_id":54266225000758,"sku":"14:193#1pcs AT24C04","price":2.93,"currency_code":"USD","in_stock":true},{"title":"1pcs AT24C01","offer_id":54266225033526,"sku":"14:771#1pcs AT24C01","price":3.44,"currency_code":"USD","in_stock":true},{"title":"1pcs AT24C128","offer_id":54266225066294,"sku":"14:200004889#1pcs AT24C128","price":4.63,"currency_code":"USD","in_stock":true},{"title":"1pcs AT24C64","offer_id":54266225099062,"sku":"14:175#1pcs AT24C64","price":2.93,"currency_code":"USD","in_stock":true},{"title":"1pcs AT24C32","offer_id":54266225131830,"sku":"14:200004890#1pcs AT24C32","price":2.93,"currency_code":"USD","in_stock":true},{"title":"1pcs AT24C16","offer_id":54266225164598,"sku":"14:365458#1pcs AT24C16","price":2.93,"currency_code":"USD","in_stock":true},{"title":"1pcs AT24C256","offer_id":54266225197366,"sku":"14:200002130#1pcs AT24C256","price":3.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/7774\/3158\/files\/Sd1be68adfedb4b538e375649bf816ce6Q.webp?v=1784717564","url":"https:\/\/zpaxo.com\/products\/at24c256-eeprom-non-volatile-board-iic-i2c-two-wire-bus-module","provider":"Zpaxo","version":"1.0","type":"link"}