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rf module

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rf module Customers Reviews

  • Great RFID module for Arduino

    posted by mr22turbo

    Great price, easy to use! Got it working in a few minutes. One small note the pin marked SDA is pin SS in the RC522 library.
    I used the RC522 library (https://github.com/miguelbalboa/rfid) to connect it to my Arduino. Comes with one card and a key tag, they both work and use an older style 4byte UID. I have not tested yet if the cards are writeable. Can be used with an LCD shield, if you remap the pins.
    Great product! Buy it if you need a cheap rfid reader/writer
  • Excellent build, no manual or info

    posted by francoml

    Well BuildDont get hotAlmost plug and playFixed AntennaGood plastic body
    You need to discover drivers and files thru translation, all material in chinese.I didn´t got working yet...Should be a support file with manual, source cod example or compiled program.
    Really cheap, well build, but don´t know how to get working yet... I will install visual basic and discover all drivers, I thought it was a serial type of communication, but it uses .DLLShould be eazy to add a reference guide into this product.It seem to support development thru Windows or Linux, I didn´t found the libraries yet.
  • Easy to Use RFID

    posted by arnoldsen

    Very easy to use.Sends a string with frames, CS and the TAG number in plain 9600 Baud serial format.Plain and simple.Interfaces very well with all microcontrollers operating at 5V (haven't tested at 3.3V).The framing characters 0x02 for start and 0x03 are easy to detect, and will never be a part of the TAG-number or CS, because it is ASCII coded.Reading from the module is simply done by waiting for 0x02 - receive 12 characters - if the next is 0x03, then a full TAG number is received.
    Plug in the moduleSet up serial portRead the tagnumber, when it is presentedNo Problem
    Good value for money module.
  • VERY NICE Transceiver!

    posted by markjeffery2012

    VERY NICE Transceiver, I tested this unit with a RS232 (max232) converter connected to my computer, and a PIC16 micro controller, and the results were very good! I did not test long range, but short range showed good results! The +5V was a major turn on!
    I LOVE THIS SMALL and COMPACT unit! I WILL BUY A TON MORE OF THESE!!!! The testing of the unit was very simple and EXCELLENT!!!!
    You wont be disappointed in this unit for the price! The parts on the board are top quality and you cant build it for this price! I was looking for a cheap and easy solution, and i found it!!! VERY GOOD PURCHASE!
  • Very good item

    posted by marenas

    The device works in large distance. It is easy to instal into the breadboard. Stable signal is issued. Wide application, because there are four outputs with 3.5 V voltage. The standard operating frequency can be easily tied to the control module, standard RC remote control, thus allowing the device utilization.
    The device can be used to drive 5V relay. It can also be used as a simple one-way switch.
    The device according to their potential is worth the price.

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