List of Figures
1 ESP32 Schematics (ESP32-D0WD used as an example for all illustrations in this section) 2
2 ESP32 Digital Power Supply Pins 3
3 ESP32 Analog Power Supply Pins 4
4 ESP32 Flash 5
5 ESP32 Crystal Oscillator 6
6 Schematic for ESP32’s External Crystal (RTC) 6
7 Schematic of External Oscillator 7
8 ESP32 RF Matching Schematics 7
9 ESP32 External Capacitor 8
10 ESP32 UART 8
11 ESP32 PCB Layout 9
12 ESP32 Module Antenna Position on Base Board 10
13 Keepout Zone for ESP32 Module’s Antenna on the Base Board 11
14 ESP32 Power Traces in a Four-layer PCB Design 11
15 ESP32 Power Traces in a Two-layer PCB Design 12
16 ESP32 Crystal Oscillator Layout 13
17 ESP32 RF Layout in a Four-layer PCB Design 14
18 ESP32 RF Layout in a Two-layer PCB Design 14
19 ESP32 UART Design 15
20 A Typical Touch Sensor Application 15
21 Electrode Pattern Requirements 16
22 Sensor Track Routing Requirements 16
23 PAD/TV Box Layout 17
24 Top View of ESP32-LyraT 20
25 Bottom View of ESP32-LyraT 21
26 ESP32-LyraTD-MSC 22
27 ESP32-Sense Kit 22
28 ESP32-MeshKit-Light � 23
29 ESP32-MeshKit-Sense Development Board 23
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