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    PAOPAO

    @PAOPAO

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    Posts made by PAOPAO

    • RE: UHF-RFID-UNIT-JRD-4035 effective distance

      @m5stack_ag san,
      Thank you for your message!
      Could you let me know how to set 920MHZ ?

      By the way, Specification metal IC Tag of mine is "Up to 4.2M - (US) 902-928MHz, on metal"

      posted in PRODUCTS
      P
      PAOPAO
    • UHF-RFID-UNIT-JRD-4035 effective distance

      Web page shows
      "the transmission power of 100mW can reach the effective distance of more than 1.5M."

      https://shop.m5stack.com/products/uhf-rfid-unit-jrd-4035?variant=39375750824108

      But my JRD-4035 effective distance is 0.4M

      If possible , could you let me know why JRD-4035 is low performance ?

      posted in PRODUCTS
      P
      PAOPAO
    • UHF-RFID-UNIT-JRD-4035 output power adjustment method

      Specifications of Output power range is 18-26 dBm

      Could you let me know how to adjust max output power 26 dBm?
      I found Arduino IDE sample

      // UHF_RFID set UHF_RFID设置
      RFID.Set_transmission_Power(2600);

      Does 2600 mean 26dBm ?

      If i set "RFID.Set_transmission_Power(3000) ,Is output power 30 dBm ?

      posted in PRODUCTS
      P
      PAOPAO
    • RE: Arduino IDE sample sketch "UHF-RFID-JRD4035" have error

      Dear Feimue san

      I added "_Noreturn" command on ahead of original sketch as follows
      _Noreturn UBYTE UHF_RFID::Set_the_communication_baud_rate(UWORD Pow)

      Result : "UHF-RFID-JRD4035" can get data from IC Tag.

      --------- Serial monitor ------------

      3:02:04.513 -> RSSI :c8
      23:02:04.513 -> PC :3000
      23:02:04.513 -> EPC :e2806894000040066d70b524
      23:02:04.513 -> CRC :7084
      23:02:04.513 ->
      23:02:04.607 -> RSSI :c7
      23:02:04.607 -> PC :3000
      23:02:04.607 -> EPC :e2806894000040066d70b524
      23:02:04.607 -> CRC :7084
      23:02:04.607 ->
      23:02:04.700 -> RSSI :ca
      23:02:04.700 -> PC :3000
      23:02:04.700 -> EPC :e2806894000040066d70b524
      23:02:04.700 -> CRC :7084

      posted in PRODUCTS
      P
      PAOPAO
    • RE: Arduino IDE sample sketch "UHF-RFID-JRD4035" have error

      Dear felmue san,
      Thank you for your kindly reply!!
      I will try based on your advice from now on !

      posted in PRODUCTS
      P
      PAOPAO
    • Arduino IDE sample sketch "UHF-RFID-JRD4035" have error

      After compile sample sketch "UHF-RFID-JRD4035", Arduino IDE shows
      "no return statement in function returning non-void [-Werror=return-type]" on "RFID_command.cpp"

      UBYTE UHF_RFID::Set_the_communication_baud_rate(UWORD Pow)
      {

      Copy_command_library(13);

      ToHex(Pow, 5, 6);

      Check_bit_accumulation();
      Send_the_modified_command();

      } <- this line have error

      If possible ,could you help me how to solve this problem ?

      I use Atom lite esp32 ,therefore my Arduino IDE setting is as follows
      Board :ESP32 Pico Kit
      Upload speed :115200

      posted in PRODUCTS
      P
      PAOPAO
    • Can JRD-4035 get the information of MetalTag which is the closest to JRD-4035?

      If 10 Metal Tags are placed around the JRD-4035, Can JRD-4035 get the information of MetalTag which is the closest to JRD-4035?
      If JRD-4035 can , What parameters does the JRD-4035 need to read ? For example, is it RSSI?

      posted in PRODUCTS
      P
      PAOPAO
    • RE: Is function of UHF-RFID-JRD-4035 only reading IC tag information ?

      @m5stack san,

      Thank you very much for your kindly reply!

      posted in PRODUCTS
      P
      PAOPAO
    • Is function of UHF-RFID-JRD-4035 only reading IC tag information ?

      Is function of UHF-RFID-JRD-4035 only reading IC tag information ?
      Is there function of writing information on IC tag ?
      If there is not function of writing information on IC tag , could let me know the writing device that works with Arduino/Atom lite esp32 ?

      posted in PRODUCTS
      P
      PAOPAO
    • RE: Can UHF-RFID-UNIT-JRD-4035 work with ATOM Lite ESP32 IoT Development Kit?

      @felmue san,
      Thank you very much for your quickly reply!!
      I will continue to investigate it by myself .
      If i find additional information, i will describe on this forum.

      posted in Atom
      P
      PAOPAO