Always use 3.3V logic levels. Do not connect directly to 5V MCUs without a logic level shifter, as this will damage the module.
| Parameter | Symbol | Typical NEC Value | Meaning | | :--- | :--- | :--- | :--- | | Supply Voltage | VCC | e.g., 7V | Max voltage before damage | | Power Dissipation | PD | e.g., 500mW | Use heatsink if exceeded | | Junction Temp | Tj | 150°C | Max internal temp | nec b58944 datasheet
The B58944 is a highly integrated SiP. Unlike a simple Bluetooth chip, the module includes: Always use 3