Callback-based BLE GATT server abstraction over the ESP-IDF Bluedroid stack: define services and characteristics with simple read/write handlers, no Bluedroid boilerplate.
A TDMA MAC layer for ESP-NOW on ESP32-S3 with Adaptive Frequency Hopping (AFH). Provides deterministic time-slotted access, NFC OOB provisioning support, and automatic PER-based channel hopping between 2.4 GHz channels 1/6/11. Payload-agnostic: the user defines and owns all application data structures.