JDY-31 or HC-05 - Bluetooth 3.0

JDY-31 Bluetooth is based on Bluetooth 3.0 SPP design, which can support Windows, Linux, for android data transmission, working frequency 2.4GHZ, modulation mode GFSK, maximum transmission power 8db, maximum transmission distance 30 meters, support users to modify device name through AT command The baud rate and other instructions are convenient and quick to use. This Bluetooth module can only be used as a Bluetooth slave.

Scope of application: JDY-31 is a classic Bluetooth protocol that can communicate with Bluetooth-enabled computers (desktops, notebooks) and mobile phones (for android). Can be applied

  • Windows computer Bluetooth serial port transparent transmission
  • for Android Bluetooth serial port transparent transmission
  • Smart home control
  • Automotive ODB testing equipment
  • Bluetooth toy
  • Share mobile power, share weight
  • Medical equipment

Product parameters:

  • Model: JDY-31
  • Bluetooth version: Bluetooth 3.0 SPP
  • Working frequency band: 2. 4GHZ
  • Communication interface: UART
  • STM connection temperature: <260 degree
  • Operating voltage: 1.8-3.6V (3.3v recommended)
  • Operating current not connected: 4. 7mA
  • Working temperature: -40~80 degree
  • Current after BLE connection: 7.3mA
  • Antenna: Built-in PCB antenna
  • Transmit power: 8db (Max)
  • High transmission distance: 30 meters
  • Receive sensitivity: -97dbm
  • Master-slave support: slave
  • SPP maximum throughput: 16K bytes/s (for android, windows)
  • components/jdy-31.txt
  • Last modified: 2022/02/21 23:07
  • by Ignas