Shenzhen KEYES DIY Robot Co Ltd DX-BT24 Wireless Bluetooth Module Owner’s Manual
- June 5, 2024
- Shenzhen KEYES DIY Robot Co Ltd
Table of Contents
Shenzhen KEYES DIY Robot Co Ltd DX-BT24 Wireless Bluetooth Module
Product Specification
- Model: DX-BT27
- Version: 1.0
- Date: 2023-04-01
- Manufacturer: Shenzhen DX-SMART Technology Co., Ltd.
Specifications
- Base Board Pin Description:
- 1. STATE – Bluetooth connection status pin
- 2. RXD – Serial data input
- 3. TXD – Serial data output
- 4. GND – Power Ground
- 5. 5V – Power input pin (Typical value: 5V)
- 6. 3.3V – Power input pin (Typical value: 3.3V)
- 7. KEY – Disconnect pin
- 8. NOTE – Low power mode wake up, Enter pairing mode, Module working status output pin
Product Usage Instructions
Connect the pins on the module as per the following description:
-
* **STATE:** Bluetooth connection status pin- RXD: Connect to serial data input
- TXD: Connect to serial data output
KEY Pin Functions
The KEY pin can be used for various functions as defined below:
-
* **Connection Status:** Pull down the KEY pin for at least 200ms to disconnect- Low Power State: Pull down the KEY pin for at least 200ms to wake the module from standby mode
FAQ
- Q: What is the purpose of the KEY pin on the module?
- A: The KEY pin is used for various functions such as entering pairing mode, disconnecting, waking from a low power state, and more. Refer to the user manual for detailed instructions on using the KEY pin.
- Q: Can this device be used in portable configurations?
- A: This device is intended for OEM integrators and has specific conditions for use. Separate approval is required for portable configurations with different antenna setups.
Update record
| Version | Date | Illustrate | Author |
|---|---|---|---|
| V1.0 | 2023/04/01 | Initial Version | DL |
Base Board Pin Description
NOTE
Please refer to the BT24 manual for module-specific parameters.
KEY Pin Definition
Table 1：KEY pin function definition table
DX-BT27 MODULE SPECIFICATION
- Pairing mode: After the slave module enters pairing mode, after the search mode of the master module is set to pairing mode, the master module will automatically connect to the slave module. This pairing mode is only valid for our main module.
FCC STATEMENT
This device is intended only for OEM integrators under the following conditions
- The antenna must be installed such that 20 cm is maintained between the antenna and users, and
- This device and its antenna(s) must not be co‐located with any other transmitters except inaccordance with FCC multi‐transmitter product procedures. Referring to the multitransmitterpolicy, multiple‐transmitter(s) and module(s) can be operated simultaneously without C2P.
For all product markets in the US, OEM has to limit the operation channels in
CH1 to CH40 for the 2.4G band by supplying a firmware programming tool. OEM
shall not supply any tool or info to the end user regarding to Regulatory
Domain change. USERS MANUAL OF THE END PRODUCT: In the user’s manual of the
end product, the end-user has to be informed to keep at least 20cm separation
with the antenna while this end product is installed and operated.
The end-user has to be informed that the FCC radio‐frequency exposure
guidelines for an uncontrolled environment can be satisfied. The end-user has
to also be informed that any changes or modifications not expressly approved
by the manufacturer could void the user’s authority to operate this equipment.
If the size of the end product is smaller than 8x10cm, then an additional FCC
part 15.19 statement is required to be available in the user’s manual: This
device complies with Part 15 of FCC rules. Operation is subject to the
following two conditions:
- this device may not cause harmfulinterference and
- this device must accept any interference received, including interference that may cause undesired operation.
LABEL OF THE END PRODUCT: The end product must be labelled in a visible
area with the following ” Contains FCC ID: 2ADMF-DX-BT24″. If the size of the
end product is larger than 8x10cm, then the following FCC part 15.19 statement
has to also be available on the label: This device complies with Part 15 FCC
rules.
Operation is subject to the following two conditions
- this device may not cause harmful interference and
- this device must accept any interference received, including interference that may cause undesired operation.
- OEM integrators are responsible for ensuring that the end-user has no manual instructions to remove or install modules.
- That module is limited to installation in mobile or fixed applications, according to Part 2.1091(b)
- Separate approval is required for all other operating configurations, including portable configurations to Part 2.1093 and different antenna configurations
Contact Us
Shenzhen DX-SMART Technology Co., Ltd.
- Email: [email protected]
- Tel: 0755-29978125
- Web: www.szdx-smart.com
- Add: Room 601, Block A1, Huafeng Zhigu, Hangkong Road, Baoan District, Shenzhen