ShillehTek 24MHz 8 Channel USB Logic Analyzer with colorful ribbon cables and USB connectors

24MHz 8-Channel USB Logic Analyzer Digital Debugger for Arduino

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24MHz USB logic analyzer with 8 channels for PC waveform capture and automatic protocol decoding—fast, compact tool for debugging Arduino and microcontroller I2C/SPI/UART communications.

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Overview

Product Overview

Stop guessing and start visualizing your code with this USB logic analyzer designed for makers and engineers: it captures high-speed digital waveforms so you can see what your microcontroller is actually doing over time. With 24MHz sampling and support for 8 channels, it monitors multiple signals at once and is fast enough to analyze common buses like I2C, SPI, and UART. Connect via USB to your computer to view large timing diagrams and, when paired with compatible software such as PulseView or Saleae Logic, decode protocols into readable data including I2C, UART, CAN, and 1‑Wire. Safe for 3.3V and 5V logic levels, this compact tool is practical for troubleshooting Arduino, FPGA, and ARM-based projects.

Questions & answers

Frequently asked questions

This USB logic analyzer is intended for digital signal debugging on Arduino projects and can also be used with FPGA and ARM-based boards. It is suitable for common 3.3V and 5V logic-level systems.
Connect the analyzer to your computer by USB, attach its channels to the digital signals you want to inspect, and use compatible capture software such as PulseView or Saleae Logic to view waveforms and decode supported protocols.
It provides 8 digital input channels with up to 24MHz sampling. The analyzer is designed for digital logic signals and is safe for typical 3.3V and 5V logic levels.
It is commonly used to troubleshoot microcontroller communication problems by capturing timing diagrams for buses such as I2C, SPI, and UART. This helps verify whether signals, timing, and decoded data match what the code is expected to send.
Use it only for digital logic-level signals, not unknown high-voltage or analog measurements. If captures look wrong, check the ground connection, channel wiring, selected protocol decoder, and whether the signal speed fits the analyzer’s 24MHz sampling rate.

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What's included

Features & Specs

24MHz Sampling Captures up to 24 million samples per second for fast signal transitions.

8 Digital Channels Monitors eight simultaneous input lines for parallel buses and multi-line protocols.

Protocol Decoding Supports automatic decoding of I2C, SPI, UART, CAN, and 1-Wire with compatible software.

USB PC Interface Connects to your computer via USB for real-time waveform visualization.

3.3V/5V Safe Compatible with standard 3.3V and 5V logic levels used on development boards.

Portable Form Factor Pocket-sized module provides professional-grade diagnostics on the go.

Microcontroller Support Ideal for troubleshooting Arduino, FPGA, and ARM-based systems.

Reference

Documents

Full Product Manual ShillehTek 24MHz 8 Channel USB Logic Analyzer Digital Debugger for Arduino | ShillehTek Product Manual In-depth setup guide with wiring, code examples, and troubleshooting.

Datasheet

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