Bluetooth Low Energy (BLE) radio chips are ubiquitous from Raspberry Pi to lightbulbs. BLE is an elaborate technology with a comprehensive specification, but the basics are quite accessible. A ...
Scroll down for hints and conversation about the puzzle for Tuesday, Dec. 30, 2025. By New York Times Games Scroll down for hints and conversation about the puzzle for Monday, Dec. 29, 2025. By New ...
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