ATECC608 I2C Breakout Board – Secure Key Storage & Crypto Module

The ATECC608 Breakout Board is a compact, high-performance hardware security module designed for makers, engineers, and developers who need robust cryptographic key storage and authentication in their projects. Operating across a wide voltage range of 2.0V to 5.5V via the I2C interface, this breakout board is fully compatible with STEMMA QT and Qwiic ecosystems, making it a seamless drop-in for Arduino, Raspberry Pi, and other microcontroller platforms.

Encryption Algorithms Supported

ECC (Elliptic Curve Cryptography, NIST P-256) – Industry-standard asymmetric encryption for secure key exchange and digital signatures
SHA-256 (Secure Hash Algorithm) – Reliable message authentication and data integrity verification
AES-128 (Symmetric Encryption) – Fast, efficient symmetric encryption for data protection

Storage Specifications

16 configurable key slots – Each slot features individually configurable read/write permissions
2KB secure storage area – Tamper-resistant non-volatile memory for sensitive credentials

Key Applications

IoT Device Authentication – Prevent unauthorized device access with hardware-level identity verification
Firmware Protection – Encrypt firmware to safeguard code from unauthorized use or cloning
Secure Communication – Store TLS/SSL keys to protect data-in-transit across networks
Blockchain Hardware Wallet – Securely store private keys in a dedicated, tamper-proof module
Smart Home & Industrial Control – Anti-cloning and tamper-proof design ideal for connected devices and automation systems

Product Highlights

Wide operating voltage: 2.0V – 5.5V
I2C communication interface for easy integration
STEMMA QT & Qwiic connector compatible
Compact form factor: 2.5 × 1.8 cm
Plug-and-play breakout board design

Note: Display colors may vary slightly between monitors. The actual product color may differ slightly from the image shown.

Frequently Asked Questions

Q: What is the ATECC608 I2C Breakout Board used for?

A: The ATECC608 I2C Breakout Board is a hardware security module used for cryptographic key storage, device authentication, firmware protection, and secure communications. It supports ECC (NIST P-256), SHA-256, and AES-128 encryption algorithms, making it ideal for IoT projects, blockchain wallets, and smart home or industrial control systems.

Q: Is the ATECC608 Breakout Board compatible with Arduino and Raspberry Pi?

A: Yes! The ATECC608 Breakout Board operates over a standard I2C interface at 2.0V–5.5V and is compatible with STEMMA QT and Qwiic ecosystems, making it easy to integrate with Arduino, Raspberry Pi, and most other popular microcontroller platforms with minimal wiring.

Q: How many keys can the ATECC608 module store?

A: The ATECC608 module features 16 configurable key slots with individually adjustable read/write permissions, plus a 2KB secure storage area for sensitive credentials. This makes it well-suited for applications requiring multiple independent secure keys or certificates.

Q: What voltage does the ATECC608 Breakout Board operate at?

A: The ATECC608 Breakout Board supports a wide operating voltage range of 2.0V to 5.5V, making it flexible enough to work with both 3.3V and 5V logic systems without the need for additional level shifters in most setups.

Production & Packaging Notice

To 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.