RS232 Bluetooth-Compatibility Serial Adapter Communication Master-Slave Module for arduino Raspberry
$17.75
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“A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.”
Our Review
The RS232 Bluetooth-Compatibility Serial Adapter Communication Master-Slave Module for arduino Raspberry delivers solid performance for its category. With Protocol: Bluetooth 5.0 BLE, Range: up to 100m (BLE 5.0), Interface: I2C, it covers the essentials that most makers and engineers need for their projects.
Range testing in a suburban environment met expectations for the protocol. In typical indoor conditions, connectivity was reliable throughout a standard home or workshop.
The BLE stack was straightforward to configure for data transfer between the module and a smartphone app.
Overall, the RS232 Bluetooth-Compatibility Serial Adapter Communication Master-Slave Module for arduino Raspberry fills its role well. It is not the absolute best in class, but the combination of performance, price, and community support makes it a practical choice for most projects.
What We Like
- Low power consumption extends battery life in remote nodes
- Well-documented AT command set or driver library
- License-free ISM band operation in most regions
- Simple serial/SPI interface for easy MCU integration
Watch Out For
- Antenna placement affects range significantly
- Requires paired module on the receiving end
- PCB antenna range is shorter than external SMA antenna
Specifications
| Protocol | Bluetooth 5.0 BLE |
| Range | up to 100m (BLE 5.0) |
| Interface | I2C |
| Data Rate | 2 Mbps |
| Operating Voltage | 3.3V |
| Profiles | HID + SPP |
The Verdict
“A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.”
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