Comidox
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1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
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1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
Convenient and Fast Learning Board Tool for Digital Circuit Debugging!
1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool
Item #: 90492872

1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool

77% of respondents would recommend this to a friend

Item #: 90492872

XCD 34

Price Details

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*All items will import from US

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Only 12 items left in stock.
Order now and get it around Wednesday, September 23
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Convenient and Fast Learning Board Tool for Digital Circuit Debugging!
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Versatile Voltage Levels
Suitable for both 5V and 3.3V systems, this logic tester pen addresses a wide range of digital circuits, making it an essential tool for professionals and hobbyists alike.
User-Friendly Design
With its straightforward interface, the logic tester pen allows for quick and efficient circuit debugging, significantly reducing learning time for beginners and enhancing productivity for experienced engineers.
Compact and Portable
This lightweight and portable pen design makes it easy to carry and store, ensuring that you have a reliable testing tool at your fingertips wherever you go.

Product Details

Shop 1Pcs Logic Tester Pen 5V 3.3V Level Tester Logic Pulser Analyzer Detecting Probe Digital Circuit Debugger Convenient and Fast Learning Board Tool online at a best price in Grenada. B0CFH8M5TX
Minimum Operating Voltage3.3 volts
Measurement TypeVoltmeter
Compatible DevicesElectronic devices, development boards, learning boards
Style NameCompact
ColorGreen
Brand NameComidox
Unit Count1 Count
UPC790943412359
Number of Items1
ManufacturerComidox
Number of Packs1
Part NumberCP903
BrandComidox
StyleCompact
Min. Operating Voltage3.3 volts
Item Weight0.2 lbs (90 grams)

Who Should Buy?

Suitable For
  • Electronics Students

    Ideal for students learning about electronics and circuit debugging, facilitating hands-on experience with digital signals.

  • Hobbyist Builders

    Great for hobbyists building projects, allowing quick tests and diagnosis of circuits without complex equipment.

  • Professional Technicians

    Useful for technicians in troubleshooting digital circuit boards efficiently, speeding up the debugging process.

Not Suitable For
  • Advanced Engineers

    Not suitable for advanced engineers who require sophisticated testing equipment for complex diagnostics.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Logic Tester Pen used for?

    Answer: A Logic Tester Pen is a diagnostic tool used for testing the logic levels in digital circuits. It helps to determine if signals are 'HIGH' (on) or 'LOW' (off) by providing a visual indication. This makes troubleshooting easier in complex electronic projects, enabling users to quickly identify faults or confirm circuit functionality. For example, when working on microcontroller projects, this pen can verify whether inputs and outputs are functioning correctly during development and debugging processes.
  • Question: What voltage levels does the Logic Tester Pen support?

    Answer: The Logic Tester Pen supports common voltage levels of 5V and 3.3V. This versatility allows it to be used with various microcontroller platforms and modules that operate at these levels. By accommodating different voltages, it ensures that users can test various components such as Arduino or Raspberry Pi projects effectively, making it an essential tool for hobbyists and professionals alike.
  • Question: Is the Logic Tester Pen user-friendly?

    Answer: Yes, the Logic Tester Pen is designed to be user-friendly, even for beginners. With a simple design and clear visual indicators for signal levels, users can quickly interpret the data. It operates without complicated settings or configurations, making it ideal for educational purposes or quick prototyping in electronic projects. For instance, students learning about digital circuits can use the pen to see live signals, enhancing their understanding of circuit behaviors.
  • Question: Can you use the Logic Tester Pen in educational settings?

    Answer: Absolutely! The Logic Tester Pen is an excellent tool for educational settings where students are learning about electronics and circuit design. It provides real-time feedback, allowing learners to grasp key concepts about digital signals and circuit behavior effectively. By using this pen in labs, instructors can demonstrate how changes in the circuit affect logic levels, thereby reinforcing theoretical lessons with practical applications.
  • Question: How does the Logic Tester Pen indicate signal levels?

    Answer: The Logic Tester Pen utilizes LED indicators to visually represent signal levels. When it detects a 'HIGH' signal, the LED lights up, whereas a 'LOW' signal results in no illumination. This immediate feedback simplifies the process of diagnosing circuit issues, enabling users to quickly assess the status of digital signals without additional equipment. It is particularly helpful in identifying loose connections or faulty components in complex circuits.
  • Question: What are some practical applications for the Logic Tester Pen?

    Answer: The Logic Tester Pen can be used in various scenarios, including testing digital logic circuits, troubleshooting PCB layouts, and verifying microcontroller pin outputs. It's useful for both hobbyists building personal projects and professionals in electronics design and repair. For example, engineers can use it to diagnose issues in a circuit board assembly, ensuring functionality before product deployment.
  • Question: Is the Logic Tester Pen portable?

    Answer: Yes, the Logic Tester Pen is compact and lightweight, designed for portability. This makes it easy to carry around in a toolkit or pocket, allowing you to perform tests on-the-go. Whether you're working in a lab, at home, or in the field, its portability ensures that you have quick access to a reliable logic testing solution, streamlining your workflow.
  • Question: What materials is the Logic Tester Pen made from?

    Answer: The Logic Tester Pen is typically made from durable plastic and conductive materials that ensure longevity and reliability during use. The construction is lightweight yet robust enough to withstand regular testing and handling. This quality is essential for reliable performance, especially during extensive debugging or in educational environments where many users may handle the tool.
  • Question: Can the Logic Tester Pen help with circuit design validation?

    Answer: Yes, the Logic Tester Pen is invaluable for validating circuit designs. By testing signal levels during the design process, engineers can confirm that their circuits function correctly before final production. This proactive approach helps prevent costly mistakes and ensures that the final product meets required specifications. For instance, designers can check each component's output during assembly to ensure everything is working as intended.
  • Question: Where can I buy the Logic Tester Pen in Grenada?

    Answer: You can buy the Logic Tester Pen from Ubuy, a leading online retailer offering various electronics and tools. Ubuy features an easy-to-navigate platform, ensuring you can find the right logic tester quickly. Additionally, Ubuy's wide selection of electronic products makes it an excellent choice for finding various tools for your projects and learning endeavors.

Comidox Logic Analyzers Editorial Review

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Customer Reviews & Ratings

7 customers ratings
  • 5 Star
    58%
  • 4 Star
    20%
  • 3 Star
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  • 1 Star
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Pros

  • Easy to use
  • Compact design
  • Fast troubleshooting
  • Versatile functionality
  • Great for beginners

Cons

  • May lack detailed instructions.

Platform Trust & Buyer Confidence

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4.2/5 9477 reviews
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XCD 34

Order now and get it around Wednesday, September 23

QTY:

Only 12 items left in stock.
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Features & Benefits

  • Measures voltage levels easily without a multimeter.
  • Compact and ergonomic design for handheld use.
  • Elastic probe allows for effortless measurements.
  • Essential tool for development and learning boards.
  • Three status displays for clear voltage state indications.
  • Compatible with 5V and 3.3V circuits.

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