Yahboom Bluetooth 5.0 Module Product Type CC2541 BLE UART SPP NFC Low Power 60m Wireless Data Link
Yahboom Bluetooth 5.0 Module Product Type CC2541 BLE UART SPP NFC Low Power 60m Wireless Data Link
Yahboom
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Overview
This Bluetooth module product_type is a Yahboom Bluetooth 5.0 module for smart wireless data transmission. It uses a CC2541 chip with 256KB space and follows the V5.0 BLE Bluetooth specification. The module supports AT commands to modify parameters such as serial port baud rate, device name, and pairing password. It provides a UART interface, supports SPP Bluetooth serial port protocol, and features Lower Power / Near Field Communication with transparent heat-shrink tube protection.
Key Features
- Bluetooth 5.0 module: BLE 5.0 (compatible with BLE 4.0 / BLE 4.2)
- Low power consumption (stated as only 1/10 of Bluetooth 2.0)
- Communication distance: up to 60 meters (depending on the environment)
- Near Field Communication: phone close to the module enables automatic identification and connection; no pairing required (close to automatic connection)
- AT command support for parameter configuration
- Transparent transmission: no byte limitation at 9600 baud rate
- Built-in PCB antenna
- Automatic-pairing Bluetooth remote control APP support (iOS/Android)
- Support driver expansion board; references 16-channel and 24-channel servo driver boards
Specifications
| Working frequency | 2.4G |
| Bluetooth version | BLE 5.0 (Compatible with BLE4.0/BLE4.2) |
| Transmission power | 4DB (Max) |
| Receiver sensitivity | -97dbm |
| Communication interface | UART |
| Working voltage | 3.6V-6V |
| Working temperature | -40C - 80C |
| Antenna | Built-in PCB antenna |
| Modulation method | GFSK |
| Transmission distance | 60 meters |
| Wake-up state current | 800uA (with broadcast) |
| Light sleep state current | <50uA (with broadcast) |
| Deep sleep current | 9uA (without broadcast) |
| Rf-TX/RX peak current | 5mA |
| Wake up transparent transmission state current | 1mA (connected) |
| Master-slave support | Only supports slave mode |
| Transparently transmit data once written | No byte limitation at 9600 baud rate |
| Command / configuration | AT command |
| Command parameter storage | Parameter configuration power-off data is saved |
| SMT welding temperature | <260C |
| Module size | 32.35mm * 18.5mm |
| Mechanical drawing (unit: mm) | 32.35 x 18.50; 6.30 |
Pin Interface (UART)
- TXD: Serial output pin
- RXD: Serial port input pin
- GND: Ground pin
- VCC: 5V (3.6V supply allowed)
Self-receiving and self-sending test: during normal communication, RXD connects to TXD of another device. To test the module itself, connect its own TXD directly to RXD to verify sending/receiving.
App & Download Notes
- APP supports iOS/Android and provides Bluetooth remote control with automatic pairing.
- Download guidance shown: Android users can scan the QR code on the home page by browser, or search "YahboomRobot" in Play Store; iOS users can scan the QR code on the home page by camera, or search "YahboomRobot" in App Store.
- Factory-identification notice shown: the mobile phone APP used by Yahboom products can recognize this module, but it cannot recognize other brand products with Bluetooth module.
- Example APP UI labels shown: Mode selection; Servo PZT control; Color debug area; Voltage display; and sensor/mode screens including Tracking sensor display, Infrared avoiding display, Light-seeking sensor display, Gray sensor display, Remote control mode, Tracking mode, Avoiding mode, Colorful light, Light-seeking mode, Follow mode.
- Additional fields shown: Raspberry IP: http://192.168.50.1:8080/?action=stream; Raspberry Port: 8888.
For product support or documentation requests, contact support@rcdrone.top or visit https://rcdrone.top/.
Applications
- Wireless UART data transmission for embedded projects that use Bluetooth serial communication
- Bluetooth 5.0 module replacement/expansion for Yahboom robot cars
- Phone APP remote control scenarios with driver expansion boards and servo driver boards (16-channel / 24-channel referenced)
Details
Built around the CC2541 chip, this BLE 5.0 module is designed for low-power wireless UART data transmission with NFC support.
Use the companion mobile app for Bluetooth remote control with iOS and Android support.
Low-power operation helps extend battery life, with a stated communication distance up to 60 meters depending on conditions.
NFC enables quick connection by bringing a phone close to the module, reducing the need for manual pairing steps.
The remote-control interface offers easy direction controls and status readouts for compatible Yahboom projects.
Commonly used across Yahboom robot car platforms for wireless control and data link applications.
A structured control layout helps you map functions like mode selection and servo control during development.
For multi-servo builds, the module can be paired with supported driver expansion boards such as 16-channel servo drivers.
Higher channel-count driver boards are also available when your project needs more servo outputs.
Sensor and mode pages in the app help monitor inputs and switch behaviors like tracking or obstacle avoiding.
Download the YahboomRobot app from Google Play or the App Store to get started.
UART pins are clearly labeled for quick wiring: RXD, TXD, GND, and VCC (5V input with 3.6V supply allowed).
Compact footprint for embedded builds: 32.35 × 18.50 mm, with a 6.30 mm thickness reference.
Reference specifications include BLE 5.0 compatibility, UART interface, voltage range, and sleep/peak current figures.
Tutorial links and documentation packs are provided to help you integrate the module into common platforms.
Additional example routines and reference documents are included for supported development environments.
Real-board views show the compact module layout and the labeled UART pin header for straightforward connections.
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