SparkFun MicroSD Sniffer Board for SPI Traffic Analysis

The SparkFun MicroSD Sniffer Board is a unique debugging tool that allows you to monitor SPI (Serial Peripheral Interface) traffic on MicroSD card sockets. This innovative board features an onboard MicroSD socket where you can insert a card, while its connector plugs directly into the target device's MicroSD socket for seamless signal interception.

This tool is perfect for developers and electronics enthusiasts who need to analyse communication between microcontrollers and MicroSD cards. Simply hook up an external device such as a logic analyser or microcontroller to observe active signals in real-time. All essential pins are conveniently broken out to an 8-pin 0.1-inch pitch header, ensuring easy connectivity for testing and diagnostics.

Key Applications

• SPI signal debugging and monitoring
• Compatibility testing with MicroSD cards
• Embedded system development
• Data logging verification

Technical Specifications

• Board Type: MicroSD SPI Sniffer
• Connector Pitch: 0.1-inch (standard breadboard spacing)
• Pins Broken Out: All necessary SPI pins (CLK, MISO, MOSI, CS)
• Included: Sniffer board only (MicroSD card not included)
• Weight: 900 grams

Ideal for embedded systems engineers, IoT developers, and electronics hobbyists, this sniffer board provides valuable insight into MicroSD card communications without modifying the target hardware.