JDY-08 CC2541 Bluetooth 4.0 BLE Serial Module Expand

JDY-08 CC2541 Bluetooth 4.0 BLE Serial Module

9MBTSCC2540

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The JDY-08 is a Bluetooth Low Energy (BLE) module built on Texas Instruments CC2541. Compatible with HM-10 Firmware for more advanced functionality.

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This JDY-08 CC2541 Bluetooth 4.0 BLE Serial Module is a very powerful little gadget, despite its small size and inexpensive cost, and is the result of many years of upgrades and developments on the widely popular Texas Instruments CC2541 Electronics module. It has been integrated onto a base plate that can regulate input voltages ranging between 3.3V to 6V, regulating them down to a 3V supply that the JDY-08 utilises.

This small package offers an incredible amount of wireless  Bluetooth Communication functionality, all while focusing on ultra-low energy usage, and can be used with Android, iPhone, PC, Arduino and many other systems for wireless serial (UART) Communication. It supports both Central and Peripheral mode switching, with easy modifications using AT commands – with the ability to be configured as master, slave or master-slave mode as well.

The base plate that this JDY-08 module has been integrated onto includes polarity reverse protection and a logic level conversion circuit to protect the module from minor errors or ripples and faults, and can operate on any voltage ranging between 3.3V and 6V at an ultra-low current of only 50mA.

Please Note: These Modules can be upgraded with HM-10 firmware if necessary, which is surprisingly common in online communities. And just a quick search for “How to Flash HM-10 Firmware on CC2541” will reveal a plethora of information on the precise steps you need to take in order to do so.

Technical Specifications (JDY-08 Module):

  • Working Frequency

– 2.4GHz ISM Band

  • Modulation Method

– GFSK (Gaussian Frequency Shift Keying)

  • RF Power

– ≤4dBm, Class 2

  • Sensitivity

– ≤-84dBm at 0.1% BER

  • Bluetooth Protocol

– V4.0 BLE

  • Transfer Rate

– Synchronous 6kbps / Asynchronous 6kbps

  • Flash

– 256Kb

  • Support Services

– Central & Peripheral: UUID / FFE0 / FFE1

  • Input Voltage

– 3.6V to 6V DC

  • Input Current

– 50mA

  • Power Consumption

– 8.5mA Transmission / 400uA to 1.5mA Standby

  • Bluetooth Certification

– ROHS REACH

 

Technical Specifications (Breakout Board):

  • Communication Rate

– 3KB per Second

  • Serial Port Write Support

– 1024Bytes

  • Effective Communications Distance

– 15 to 30 Metres

  • IO Port Control Disconnect

– Supported

  • PWRC Pin Control Sleep

– Supported

 

Pin Functions (Breakout Board):

  • PWRC

– Used to Wake Up the Module (Default is set to Sleep State)

  • VCC

– Voltage Supply: Range between 3.6V and 6V DC

  • GND

– Standard Ground Connection

  • TXD

– Serial Output Pin

  • RXD

– Serial Input Pin

  • STAT

– Used to Actively Disconnect Bluetooth (Default is High / Low Disconnects)

 

Typical Applications for the JDY-08 CC2541 Bluetooth 4.0 BLE Serial Module:

Due to the diverse use cases for Wireless Communications, it’s no surprise that this JDY-08 CC2541 Bluetooth 4.0 BLE Serial Module can be used for an extremely wide range of different applications. However, thanks to the ultra-low energy usage of this module, it is ideally used for projects with similarly low power requirements. These include basic projects like “Key Locators”, basic automation systems, weather monitoring devices, as well as many more unique and exciting projects still to be dreamed up. So get out there and start Making your own projects today, and consider integrating one of these JDY-08 CC2541 Bluetooth 4.0 BLE Serial Modules to give it the freedom to communicate without any physical connections.

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