Description
The JDY-33 Bluetooth Module is a compact and versatile wireless communication solution designed for transparent data transmission in embedded systems and IoT applications. Supporting both Bluetooth Classic (SPP) and Bluetooth Low Energy (BLE), it enables seamless connectivity with a wide range of devices such as smartphones, tablets, and microcontrollers.
With its UART interface, the module is easy to integrate into projects, allowing reliable wireless serial communication. Its low power consumption and compact design make it ideal for battery-powered and space-constrained applications.
Key Features
- Dual-Mode Bluetooth – Supports both Bluetooth Classic (SPP) and BLE
- Transparent Data Transmission – Simple serial communication over Bluetooth
- UART Interface – Easy integration with microcontrollers (Arduino, ESP32, etc.)
- GPIO Support – Additional control functionality
- Wide Voltage Range – Operates from 1.8V to 3.6V (3.3V recommended)
- High Data Rate – UART baud rate up to 921600 bps
- Compact Design – Suitable for embedded and portable devices
- Low Power Consumption – Ideal for IoT and battery-powered systems
Specification
- Bluetooth Standard: Bluetooth 3.0 + BLE (Dual Mode)
- Frequency: 2.4 GHz
- Communication Interface: UART
- Supported Profiles: SPP, HID
- Operating Voltage: 1.8V – 3.6V (3.3V recommended)
- UART Baud Rate: Up to 921600 bps
- Transmission Range: Up to 30 meters (open space)
- Modulation: GFSK
- Transmit Power: Up to 6 dBm
- Operating Temperature: -40°C to +85°C
- Current Consumption: ~7.3 mA (BLE connected mode)
- Mode Support: Slave mode
Application
- IoT Devices – Wireless communication for smart systems
- Wireless Peripherals – Game controllers, keyboards, and HID devices
- Home Automation – Remote control and monitoring systems
- Embedded Systems – Serial communication over Bluetooth
- Firmware Updates – Wireless configuration and updates
- Remote Control Systems – Robotics and automation
Why Choose the JDY-33?
The JDY-33 combines Bluetooth Classic and BLE in one module, allowing compatibility with a wide range of devices while maintaining low power consumption. Its easy UART interface and compact size make it a great choice for both beginners and advanced developers.