JDY-31 SPP-C Bluetooth Module Without Pin
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JDY-31 SPP-C Bluetooth Module Without Pin-1
JDY-31 SPP-C Bluetooth Module Without Pin-2
JDY-31 SPP-C Bluetooth Module Without Pin-3
JDY-31 SPP-C Bluetooth Module Without Pin-1
JDY-31 SPP-C Bluetooth Module Without Pin-2
JDY-31 SPP-C Bluetooth Module Without Pin-3

JDY-31 SPP-C Bluetooth Module Without Pin

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  • Product SKU: KG1353
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Specification

Description

JDY-31 SPP-C Bluetooth 2.0 Serial Pass-Through Module – Description

The JDY-31 SPP-C Bluetooth Module is a Bluetooth serial pass-through module based on the Bluetooth 2.0 protocol, widely used in electronics projects that require wireless serial communication. It enables transparent data transmission between devices over Bluetooth using a UART interface, allowing data to pass through without any interpretation or modification.

Designed for simplicity and reliability, the JDY-31 operates mainly in transparent transmission mode and supports standard AT commands for configuration and control. As it uses an older Bluetooth version, it may have limitations compared to newer BLE modules in terms of speed and compatibility, but it remains a cost-effective and easy-to-use solution for basic Bluetooth serial communication projects.

Features

  • Bluetooth Version: Bluetooth 2.0
  • Serial pass-through (transparent transmission)
  • UART communication interface
  • Low power consumption
  • Supports standard AT commands
  • Compact and lightweight design
  • Cost-effective Bluetooth solution

Technical Specifications

  • Model Name: JDY-31 SPP-C Bluetooth Module
  • Bluetooth Version: 2.0
  • Working Frequency Band: 2.4 GHz
  • Communication Interface: UART
  • Operating Voltage: 1.8 – 3.6 V (3.3 V recommended)
  • Voltage Rating: 1.8 – 3.6 VDC
  • Operating Temperature: -40 °C to +80 °C
  • Transmission Distance: Up to 30 meters
  • Master-Slave Support: Slave
  • Operating Current: 4.7 mA
  • Receiver Sensitivity: -97 dBm
  • Soldering Temperature: < 260 °C

Physical Attributes

  • Antenna Type: Built-in PCB antenna
  • PCB Color: May vary based on availability
  • Form Factor: Compact Bluetooth module
  • Weight: 2 g

Applications

  • Wireless serial communication
  • Embedded systems and electronics projects
  • Bluetooth-enabled control systems
  • DIY and hobbyist projects
  • Basic automation and monitoring systems

Package Includes

  • 1 × JDY-31 SPP-C Bluetooth 2.0 Serial Module