API Reference
- API Conventions
 - Application Protocols
 - Bluetooth API
 - Error Codes Reference
 - Networking APIs
 - Peripherals API
- Analog to Digital Converter (ADC) Oneshot Mode Driver
 - Analog to Digital Converter (ADC) Calibration Driver
 - Clock Tree
 - GPIO & RTC GPIO
 - General Purpose Timer (GPTimer)
 - Dedicated GPIO
 - Inter-Integrated Circuit (I2C)
 - LCD
 - LED Control (LEDC)
 - SD SPI Host Driver
 - SPI Master Driver
 - SPI Slave Driver
 - Temperature Sensor
 - Universal Asynchronous Receiver/Transmitter (UART)
 
 - Project Configuration
 - Provisioning API
 - Storage API
 - System API
- App Image Format
 - Application Level Tracing
 - Call function with external stack
 - Console
 - eFuse Manager
 - Error Codes and Helper Functions
 - ESP HTTPS OTA
 - Event Loop Library
 - FreeRTOS
 - FreeRTOS Supplemental Features
 - Heap Memory Allocation
 - Heap Memory Debugging
 - High Resolution Timer (ESP Timer)
 - Internal and Unstable APIs
 - Interrupt allocation
 - Logging library
 - Miscellaneous System APIs
 - Over The Air Updates (OTA)
 - Power Management
 - POSIX Threads Support
 - Random Number Generation
 - Sleep Modes
 - SoC Capabilities
 - System Time
 - The Async memcpy API
 - Watchdogs