Pin #   

  Features   

  Description   

  1   

  VCC   

  Power supply (1.8-3.6 V)   

  2   

  NULL   

  No   

  3   

  NULL   

  No   

  4   

  OUTPUT1   

  IO1 output pin (high and low level control APP support)   

  5   

  OUTPUT2   

  IO2 output pins (support APP control of high and low levers)   

  6   

  STAT   

  The status of the pin connection, connected high, not connected to low   

  7   

  INPUT7 / PWM4   

  INPUT7 mode: For the input pin, the APP can read the status of this pin.   

   PWM mode: PWM4 output pin, APP able to control PWM4

   Pulse width

   The default value is: INPUT7 mode   

  8   

  OUTPUT3   

  IO3 output pin (high and low level control APP support)   

  9   

  OUTPUT4   

  IO4 output pin (high and low level control APP support)   

  10   

  OUTPUT5   

  IO5 output pin (high and low level control APP support)   

  11   

  INPUT6 / PWM3   

  INPUT6 mode: For the input pin, the APP can read the status of this pin.   

   PWM mode: PWM3 output pin, APP able to control PWM3   

   Pulse width

   The default value is: INPUT6 mode   

  12   

  INPUT5 / PWM2   

  INPUT5 mode: For the input pin, the APP can read   

   The status of this pin.

   PWM mode: PWM2 output pin, APP able to control PWM2

   Pulse width

   The default value is: INPUT5 mode   

  13   

  OUTPUT6   

  IO6 output pins (high and low level control APP support)   

  14   

  OUTPUT7   

  IO7 output pin (high and low level control APP support)   

  15   

  INPUT4   

  For the input pin, the APP can read the status of this pin.   

  16   

  EINT2   

  Input pin interrupt (in connected state, press to actively send IO status to APP)   

  17   

  ALED   

  Pin transmission indicator   

  18   

  INPUT3 / PWM1   

  INPUT3 mode: For the input pin, the APP can read the state of thi pin.   

   PWM mode: PWM1 output pin, APP able to control PWM1

   Pulse width

   The default value is: INPUT3 mode   

  19   

  TXD   

  Serial output pin (TTL level)   

  20   

  RXD   

  Serial input pin (TTL level)   

  21   

  EINT1   

  Input pin interrupt (in connected state, press to actively send IO status to APP)   

  22   

  PWRC   

  Sleep wake-up pin, active low   

   In the connected state, the AT command can be pulled    Low through the PWRC pin.   

  23   

  RTD   

  Reset pin, active low   

  24   

  GND   

  Power land   

Sequence   

  Instructions   

  Effect   

  Master   

         /

    Slave   

  Default   

  1   

  AT + VER   

  Version number   

  S   

  JDY-23-V2.1   

  2   

  AT + RST   

  Soft reset   

  S   

  -   

  3   

  AT + DISC   

  Unplugged command   

  S   

  -   

  4   

  AT + STAT   

  00   

  -

  -

  5   

  AT + MAC   

  MAC address   

  S   

  -   

  6   

  AT + BAUD   

  Baud Rate   

  S   

  9600   

  7   

  AT + SLEEP   

  Sleep   

  S   

  8   

  AT + NAME   

  Transmission name   

  S   

  JDY-23   

  9   

  AT +

   STARTEN   

  Starting sleep or wake up   

  S   

  0   

  10   

  AT + ADVIN   

  Transmission interval   

  S   

  1 (200 mS)   

  11   

  AT +

   HOSTEN   

  Slave mode or IBEACON work mode   

  S   

  0   

  12   

  AT + IBUUID   

  UUID of IBEACON   

  S   

  FDA50693A4E24FB1AFCFC6EB07647825   

  13   

  AT + BIG   

  PRINCIPAL of IBEACON   

  S   

  10   

  14   

  AT +

   MINORS   

  IBEACON of MINORS   

  S   

  7   

  15   

  AT + IBSING   

  Calibration signal at 1 meter   

  -   

  0x32   

  16   

  AT + ALED   

  LED indicator switch transmission   

  -   

  1   

  17   

  AT + IBPWR   

  IBEACON SINGING value   

  S   

  50   

  18   

  AT +

   DEFAULT  

  Reset   

  S   

  -   

  19   

  AT + POWR    

  Transmission power   

  S   

  8   

  20   

  AT + ENLOG   

  Serial switch output LOG   

  S   

  0   

  21   

  AT + MTU   

  Set the serial port for the APP to send a long number of packets   

  S   

  1   

  22   

  AT + BATT   

  Battery set   

  S   

  0