Friday, November 8, 2024

How to use RFID and how many type of RFID

I just try to asking GPT about for RFID detail , GPT give me perfect answer. 

By GPT-4o

RFID, or Radio Frequency Identification, is a technology used for wireless data transmission between a tag and a reader. Here's an overview of RFID, including types and usage:

Types of RFID:

  1. Low Frequency (LF) RFID:

    • Operates at 125-134 kHz.
    • Shorter read range, typically up to 10 cm.
    • Commonly used for animal tracking and access control.
  2. High Frequency (HF) RFID:

    • Operates at 13.56 MHz.
    • Read range can be up to about 1 meter.
    • Used for applications like payment systems, library book tracking, and passports.
  3. Ultra-High Frequency (UHF) RFID:

    • Operates between 300 MHz to 3 GHz, most commonly at 860-960 MHz.
    • Has a read range of up to 12 meters or more.
    • Suitable for inventory management, supply chain tracking, and toll collection.
  4. Microwave RFID:

    • Operates at 2.45 GHz.
    • Can offer a long read range similar to UHF.
    • Used in some active RFID systems where long-distance communication is needed.
  5. Active vs. Passive RFID:

    • Active RFID: Tags have their own power source (battery), enabling longer range and memory capacity. Used for tracking high-value or large assets.
    • Passive RFID: Tags do not have a power source and are powered by the RFID reader's signal. They are smaller, cheaper, and often used in retail and access control.

How to Use RFID:

  1. Identify Application Needs:

    • Determine what objects need tracking and the range required.
  2. Select the Appropriate RFID Type:

    • Choose based on read range, environment, and data capacity requirements.
  3. Install RFID Readers:

    • Position readers where they can effectively communicate with tags, considering orientation and environmental factors.
  4. Tag Placement:

    • Secure RFID tags to the objects or products being tracked. Ensure tags are placed in a manner that maximizes readability.
  5. Integration with Software Systems:

    • Connect RFID readers to a database or inventory management system for tracking and analysis.
  6. Testing and Calibration:

    • Test the system to ensure accuracy and adjust placements or settings as necessary.

Thursday, October 31, 2024

็How to repair table script sql by dbcc checktable

 USE KMx10

GO

ALTER DATABASE KMx10 SET SINGLE_USER WITH ROLLBACK IMMEDIATE;

GO

DBCC CHECKTABLE (N'job',REPAIR_REBUILD) WITH NO_INFOMSGS, ALL_ERRORMSGS;

GO

ALTER DATABASE KMx10 SET MULTI_USER;

Sunday, July 14, 2024

How to Call an ION API via POSTMAN

Thank you Infor to make this vdo that support us dev our API KMTo to connect with Infor WMS on Cloud