nRF52840 Smart Lock
Build a secure BLE smart door lock with the nRF52840 — featuring encrypted pairing, NFC tap-to-unlock, guest access management, and tamper detection.
Build a secure BLE smart door lock with the nRF52840 — featuring encrypted pairing, NFC tap-to-unlock, guest access management, and tamper detection.
Platform: nRF52840
Advanced multiprotocol SoC with 1MB Flash, 256KB RAM, and USB support. The go-to chip for Bluetooth 5.4, Thread, Zigbee, and 802.15.4 applications.
Use Case: Smart Lock
Bluetooth-enabled smart door lock with secure access control, supporting mobile app unlocking, guest access codes, and activity logging.
Why This Combination
The nRF52840's CryptoCell-310 hardware security accelerator and NFC-A tag capability make it purpose-built for secure access control applications.
Key Protocols
ble, nfc
What FirmwareMaestro Generates
For this solution, FirmwareMaestro produces a complete project package:
- Product Requirements (PRD)
- Firmware Architecture
- Hardware Abstraction Layer (HAL) design
- State Machine specification
- Code Scaffold (
main.c,prj.conf,CMakeLists.txt,Kconfig) - Devicetree overlay for the target board
- AI-pair-programming
.cursorrules - Build and flash instructions
See the Code Scaffolds guide for details.
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