Differences between
chips, modules and
development boards

Understand chip technical
reference manuals and
hardware design
guidelines

When the chip is powered
on, it enters two modes
according to the strapping
pin.

• Run Mode (Run Firmware
  Normally)
• Download mode (used
  when flashing firmware)

Features and functions of
each chip series

• ESP Product Selector

Selection and construction of
development environment

• Zero-code development
  project: UIFlow
• Developing entry-level
  projects: Arduino
• Developing complex
  projects: ESP-IDF

ESP Build System

• IDF project structure and
  construction specifications
  • Partition Table
  • CMakeLists
  • sdkconfig
  • Kconfig
• Component Manager,
  Component Configuration
• Start Flow

Compile and flash example
code

• get-started\hello_world:
  Simple output code
• get-started\blink: Simple
  lighting control code
• wifi\getting_started\station
  : Basic code for connecting
  Wi-Fi

Read and write basic
peripherals

• Refer to peripheral
  examples in IDF:
  examples/peripherals
  • I2C、SPI、ADC、USB

Using Components

• ESP Component Registry
• Espressif Component
  Library Documentation

Project Integration

Zero-configuration Cloud
Connectivity

• ESP-RAINMAKER

AI Solutions

• Deep Learning Development
  Library ESP-DL、
  Voice Recognition ESP-SR、
  Computer Vision Development
  Library ESP-WHO

Wi-Fi Networking Solution

• ESP-MESH-LITE

Camera Solution

• DVP、USB

LCD Solution

• SPI (QSPI)、I80、RGB、MIPI

USB Solution

• Host & Device

Low Power Consumption
Solution

• Light-sleep、Deep-sleep、
  ULP

Wireless Communication
Protocol

• ESP-NOW

BLE Solution

Bluetooth Mesh Network

Matter Solution

Zigbee Solution

OpenThread

Thread Border Router
Gateway Solution

Smart Presence Detection
Solution

• ESP-CSI

Gateway Solution

• ESP-IoT-Bridge

Theoretical Knowledge

Electronics Basics

• Ohm’s Law and Kirchhoff’s
  Laws
• Analog and digital signals
  • Signal type and characteristics
  • Threshold voltage

Circuit Theory

• Basic circuit diagram
  reading knowledge
• Common electronic
  component functions
  • Resistors, capacitors, inductors
  • diode
  • triode
  • MOSFET

Analog Circuit

• Amplifier
  • Fundamentals of Operational
    Amplifiers
  • Differential amplifier, common
    emitter amplifier, etc.
• Filter
  • Low-pass filter, high-pass filter,
    band-pass filter, band-stop filter
• Oscillator
  • RC oscillator、LC oscillator、
    crystal oscillator
• Power Supply Circuit
  • Voltage regulator circuit,
    switching power supply
  • Signal Processing
  • Modulation and demodulation of
    analog signals

Digital Circuit

• Basic Logic Gates
  • AND、OR、NOT、NAND、NOR、
    XOR、XNOR
  • Truth Table and Logic Symbols
    of Logic Gates
• Combinational Logic Circuit
  • Adder , Subtractor, Encoder,
    Decoder, Multiplexer,
    Demultiplexer
• Sequential Logic Circuit
  • Flip-flop (SR, D, JK, T)
  • Registers, counters, timing
    circuits
• Logic Gate Working
  Principles
  • CMOS and TTL Technology
  • Logic Level

• Threshold Voltage
  • Definition and Calculation
  • Input Threshold Voltage (VIL,
    VIH), Output Threshold Voltage
    (VOL, VOH)
• Noise Margin
  • Definition and Calculation
• Transmission
  Characteristics
  • Propagation Delay, Rise Time,
    and Fall Time
• Logic Gate Electrical
  Characteristics
  • Input Capacitance and Output
    Capacitance
  • Driving Capability

Practical Knowledge

Usage of Common
Instruments

• Multimeter
  • Measurement of Voltage,
    Current, and Resistance
• Oscilloscope
  • Waveform Observation and
    Analysis
  • Measurement of Signal
    Frequency and Amplitude
• Logic Analyzer
  • Capture and Analysis of Digital
    Signals

Common Circuit Design

• Microcontroller Minimal
  System
  • Basic Composition and Working
    Principle of Microcontroller
  • Minimal System Circuit Design
• Power Supply Circuit
  • Linear Power Supply, Switching
    Power Supply
• Common Driver Circuit
  • Relay Driver, MOSFET Driver,
    Motor Driver Circuit, Constant
    Current Driver Circuit

• Common Sensor Interfaces
  and Circuit Design
• Analog Voltage and Current
  Sampling
• I2C, SPI, UART Hardware
  Interface Design, Level
  Shifting

Common Simulation
Software and EDA
Software for Circuit
Design

• EasyEDA, Altium Designer,
  Proteus, Multisim, KiCAD

PCB Prototyping and SMT

Component Soldering and
Debugging

3D Modeling and Printing

Data Types

• Basic Data Types
  • Integer, character, floating
    point
• Standard Library Data Types
  • Boolean, string
• Pointer Types
• Composite Data Types
  • Array, structure, union,
    enumeration
• Custom Data Types
• Data type modifiers
  • constant modifier, static
    modifier, volatile modifier

GPIO (General Purpose
Input/Output)

• GPIO initialisation, mode,
  read, write

• GPIO Configuration Options
  • Determine the function of each
    pin based on the data sheet
    and pinout diagram
• GPIO Interrupts
• Strapping Pins

Memory Management

• Dynamic memory allocations
  and deallocations, such as
  malloc, calloc and free
• Memory layout and stack
  management

Interrupt Handling

• Understanding and
  handling hardware
  interrupts
• Implementing an Interrupt
  Service Routine (ISR) to
  respond to external events

Clocks and timers

• Use timers and clock
  sources to implement time
  control and scheduled
  tasks
• Handling delays and timed
  operations

Error Handling

• Handling hardware and
  software errors

Low Power Mode Design

• Implement power
  optimization strategies to
  extend battery life or
  reduce energy
  consumption
  • Deep Sleep
  • Light Sleep

FreeRTOS Task
Management

• Creating and terminating
  tasks
• Task management and
  scheduling
• Resource allocations and
  use of tasks
• Communication between
  tasks
  • Message Queue, Signal,
    Shared Memory, Semaphore,
    Socket, Mutex, Condition
    Variable, Barrier, Spin Lock

Driver Development

• Drivers can be written, including
  but not limited to sensors,
  actuators, storage device (such as
  flash and SD cards), communication
  interfaces (such as UART, SPI, I2C),
  displays, network interface
  cards (NICs), etc.

OTA Updates

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