: The industry standard for BLE development.
Which are you most comfortable with (C++, Python, or JavaScript)? Getting Started with Bluetooth Low Energy: Tool...
: Affordable, widely available, and supports dual-mode Bluetooth. : The industry standard for BLE development
: Includes specialized apps like "Bluetooth Low Energy" and "RSSID Viewer." or JavaScript)? : Affordable
: The "Central" (Phone) scans; the "Peripheral" (Sensor) advertises.