A dual-layer security system using LPC2148 that combines Bluetooth wireless authentication with keypad PIN verification, complete with tamper detection and timestamped access logging.
security arm cpp hardware firmware electronics bluetooth embedded-systems armv7 keil bare-metal cprogramming nxp embedded-c lpc2148 lpc21xx keil-uvision armgcc nxp-lpc enbedded
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Updated
Aug 31, 2026 - C