AT24C256 24C256 I2C Interface EEPROM Memory Module for arduino
genuine image
AT24C256 24C256 I2C Interface EEPROM Memory Module for arduino
Support AT24C256 series chips with all pins leads out and marked for easy integration.
AT24C256 24C256 I2C Interface EEPROM Memory Module for arduino
物品 #: 90385678

AT24C256 24C256 I2C Interface EEPROM Memory Module for arduino

物品 #: 90385678

HKD 153

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from 美國

0 ratings 轉寫評價
有存貨
美國 從USA商店導入
現在訂購，約可在下列時間收貨： 星期六, 九月 12
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Support AT24C256 series chips with all pins leads out and marked for easy integration.
U-Care Warranty:
None
選擇一個計劃
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.

What Stands Out

High Capacity
The AT24C256 offers 256Kb of memory, allowing for extensive data storage in projects, making it ideal for applications requiring substantial amounts of data retention.
I2C Compatibility
This module features a simple I2C interface, ensuring easy integration with Arduino and other microcontrollers, streamlining development processes and reducing wiring complexity.
Low Power Consumption
Designed for energy efficiency, the AT24C256 operates with minimal power, making it suitable for battery-powered devices where longevity is crucial while maintaining performance.

產品詳情

Shop AT24C256 24C256 I2C Interface EEPROM Memory Module for arduino online at a best price in 香港. B09PBK7PSX
BrandPartsNovar
ManufacturerPartsNovar
Mfr Part NumberFJGNEWicmz-00248
Item Weight0.1 lbs (50 grams)

Who Should Buy?

Suitable For
  • Developers & Hobbyists

    Ideal for developers and hobbyists building projects that require non-volatile data storage with easy integration.

  • Educational Purposes

    Suitable for students learning about I2C communication and EEPROM storage in embedded systems.

  • Prototype Testing

    Useful for engineers needing to prototype and test designs that rely on data retention between power cycles.

Not Suitable For
  • High-Speed Applications

    Not suitable for applications requiring high-speed data access or real-time performance due to I2C limitations.

產品敘述

AT24C256 24C256 I2C Interface EEPROM Memory Module for arduino

有疑問？ 與我們聊天

客戶問題與解答

  • 題: What is the AT24C256 I2C Interface EEPROM Memory Module used for?

    回答: The AT24C256 EEPROM Memory Module is commonly used for storing small amounts of data in embedded systems, especially with Arduino projects. It provides non-volatile storage, meaning the information is retained even when the power is off. This module is great for applications like data logging, configuration settings, or storing sensor readings, providing flexibility in your projects.
  • 題: How does the I2C interface work with the AT24C256 module?

    回答: The AT24C256 uses the I2C (Inter-Integrated Circuit) protocol, which allows multiple devices to communicate on the same bus using only two wires, SDA for data and SCL for clock signals. This configuration simplifies wiring and enables daisy-chaining of multiple devices, making it ideal for Arduino applications where space and connections are limited.
  • 題: What voltage range does the AT24C256 EEPROM operate at?

    回答: The AT24C256 operates within a voltage range of 1.7V to 5.5V, making it compatible with most microcontrollers including various Arduino boards. This broad voltage range allows for flexibility in project designs, accommodating different power source configurations. Always ensure your module is powered within this range for proper functionality.
  • 題: Can the AT24C256 EEPROM store large data amounts?

    回答: Yes, the AT24C256 can store up to 32 kilobits of data, which translates to 4KB when using 8-bit bytes. While it's suitable for small to medium-sized data storage needs, for extensive databases or large files, consider breaking the data into smaller chunks or using multiple EEPROM modules in parallel for more collective storage.
  • 題: Is the AT24C256 EEPROM module compatible with other microcontrollers?

    回答: Absolutely! While it's widely used with Arduino, the AT24C256 is also compatible with other microcontrollers that support the I2C protocol, such as Raspberry Pi, ESP8266, and PIC microcontrollers. This versatility makes it an essential component for various electronics projects across different platforms.
  • 題: What are common applications of the AT24C256 module?

    回答: Common applications include data logging, storing configuration settings for electronic devices, and maintaining calibration data for sensors. It’s frequently used in projects that require data retention after power loss, such as weather stations, RFID readers, or any custom Arduino-based project where data persistence is crucial.
  • 題: How do I connect the AT24C256 EEPROM to an Arduino?

    回答: To connect the AT24C256 to an Arduino, use the SDA and SCL pins on the Arduino and connect them to the corresponding pins on the EEPROM module. Additionally, ensure power and ground connections are made. Then, you'll use an I2C library in your Arduino code to communicate with the memory module, allowing you to read and write data effectively.
  • 題: Is it necessary to use pull-up resistors with the AT24C256?

    回答: Yes, when using the I2C interface with the AT24C256, it's recommended to add pull-up resistors on the SDA and SCL lines. These resistors help ensure reliable communication by maintaining the lines at a high state. Typically, values between 4.7kΩ and 10kΩ are used, depending on the specific application and pull-up configuration.
  • 題: What are the reading and writing speeds of the AT24C256?

    回答: The AT24C256 supports a maximum I2C clock frequency of up to 400 kHz, which allows for relatively fast read and write operations. While the time taken for a single byte can be as low as a few milliseconds, performance can vary based on the size of the data being written or read, as well as the number of operations performed consecutively.
  • 題: Where can I buy the AT24C256 24C256 I2C Interface EEPROM Memory Module for Arduino in Hong Kong?

    回答: You can buy the AT24C256 24C256 I2C Interface EEPROM Memory Module for Arduino at Ubuy. They offer a wide range of electronic components, ensuring you can find the exact module you need for your project.

PartsNovar Memory Editorial Review

未找到編輯評論

Customer Reviews & Ratings

1 客戶評分
  • 5 星
    100%
  • 4 星
    0%
  • 3 星
    0%
  • 2 星
    0%
  • 1 星
    0%

評價此產品

與其他客戶分享您的想法

優點

  • High storage capacity: 256KB
  • Fast I2C interface: 400 kHz
  • Low power consumption: 1mA max
  • Reliable for data retention
  • Easy integration with Arduino

Platform Trust & Buyer Confidence

trustpilot logo
3.8/5 96 reviews
Read reviews
FZ
F Zhang
Verified buyer

“Good product, and smooth delivery!”

18-Jul-26 · via Trustpilot
RD
Roxy
Verified buyer

“Great products and services”

17 April 2026 · via Trustpilot
KD
Khushi
Verified buyer

“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”

6 July 2026 · via Trustpilot
KM
kritika
Verified buyer

“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”

3 July 2026 · via Trustpilot
S
Sam
Verified buyer

“Great product, good packing, the goods arrived quickly and well protected.”

6 June 2026 · via Trustpilot
安全結帳 Global Delivery Easy Returns Genuine Products

Product Price History

重要資訊

  • 限制：如跨國購買產品，請注意製造商的保固有可能無效；製造商服務選項可能無法使用；產品手冊、教學、以及安全警示可能不會是目的地國家的語言；產品（與附加材料）設計也許不會符合目的地國家的標準、規格、以及標示要求；且產品也許不會符合目的地國家的伏特數值與其他電力標準（需要使用合適的變壓器或轉接器）。收件者須負責確定該產品在目的地國家可合法進口。當在 Ubuy 或其聯盟夥伴網站上訂購時，收件者為記錄上的進口者，且必須遵從目的地國家的法律與規範。
  • 由於 Ubuy 是一個全球搜尋引擎，並不是所有列於 Ubuy 的產品都有出售。產品須受出口／貿易法規規範。

HKD 153

現在訂購，約可在下列時間收貨： 星期六, 九月 12

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

特色和優勢

  • Compatible with AT24C256 series chips.
  • Includes a pin power supply and power indicator.
  • Features on-board pull-up resistor for I2C communication.
  • All pins are clearly marked for straightforward setup.
  • Direct jumper settings for address input and write-protect pin.
  • Compact PCB size of 36.5 mm x 12 mm for easy integration.

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.