a heartbeat or battery-level example to your development board. Open nRF Connect on your phone to scan for the device. Connect and explore the GATT table to see the UUIDs. Subscribe to notifications to see data update in real-time.

: Use this in tandem with a sniffer to see raw data packets, timing, and connection handshakes.

: Defines how data is structured and exchanged (Services and Characteristics).

: The industry standard for BLE development.

What do you currently have (e.g., ESP32, Arduino, Raspberry Pi)?

: An open-source 2.4 GHz wireless development platform for monitoring BLE traffic.

: Affordable, widely available, and supports dual-mode Bluetooth.

: Includes specialized apps like "Bluetooth Low Energy" and "RSSID Viewer."