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ESP32-D0WD
Espressif Systems ESP32-D0WD Manuals
Manuals and User Guides for Espressif Systems ESP32-D0WD. We have
1
Espressif Systems ESP32-D0WD manual available for free PDF download: Hardware Design Manuallines
Espressif Systems ESP32-D0WD Hardware Design Manuallines (30 pages)
Brand:
Espressif Systems
| Category:
Microcontrollers
| Size: 6 MB
Table of Contents
Table of Contents
3
1 Overview
6
2 Schematic Checklist and PCB Layout Design
7
Schematic Checklist
7
ESP32 Schematics (ESP32-D0WD Used as an Example for All Illustrations in this Section)
7
Power Supply
8
Digital Power Supply
8
Analog Power Supply
9
Power-On Sequence and System Reset
9
Power-On Sequence
9
Reset
9
Flash
10
Crystal Oscillator
10
External Clock Source (Compulsory)
10
ESP32 Flash
10
RTC (Optional)
11
ESP32 Crystal Oscillator
11
Adc
12
External Capacitor
13
Uart
13
PCB Layout Design
13
Esp32 Uart
13
Standalone ESP32 Module
14
General Principles of PCB Layout
14
Positioning a ESP32 Module on a Base Board
15
Power Supply
16
ESP32 Power Traces in a Four-Layer PCB Design
16
Crystal Oscillator
17
ESP32 Power Traces in a Two-Layer PCB Design
17
ESP32 Crystal Oscillator Layout
18
External RC
19
Uart
19
ESP32 RF Layout in a Four-Layer PCB Design
19
ESP32 RF Layout in a Two-Layer PCB Design
19
Touch Sensor
20
ESP32 as a Slave Device
21
Electrode Pattern Requirements
21
Typical Layout Problems and Solutions
22
Q: the Current Ripple Is Not Large, but the TX Performance of RF Is Rather Poor
22
Q: the Power Ripple Is Small, but RF TX Performance Is Poor
23
Q: When ESP32 Sends Data Packages, the Power Value Is Much Higher or Lower than the Target Power Value, and the EVM Is Relatively Poor
23
Q: TX Performance Is Not Bad, but the RX Sensitivity Is Low
23
3 Hardware Development
24
4 Applications
25
ESP32 Smart Audio Platform
25
ESP32-Lyrat Audio Development Board
25
ESP32-Lyratd-MSC Audio Development Board
26
ESP32 Touch Sensor Application-ESP32-Sense Kit
27
ESP32-Lyratd-MSC
27
ESP32-Sense Kit
27
ESP-Mesh Application-ESP32-Meshkit
28
ESP32-Meshkit-Light
28
ESP32-Meshkit-Sense Development Board
28
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