How to write firmware for custom ESP32-based hardware. Example features an ESP32-C3 MCU with QSPI flash memory, SPI inertial measurement unit (sensor), USB, LEDs, and PCB antenna (WiFi). PCBs by PCBWay https://www.pcbway.com
Board bring-up using the Arduino IDE for simplicity.

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[GIT]
https://github.com/pms67/ESP32-USB-Do...

[LINKS]
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ESP32 Hardware Design Video:    • ESP32 + PCB Antenna Hardware Design T...  

Additional board manager URLS: http://arduino.esp8266.com/stable/pac...

[TIMESTAMPS]
00:00 Introduction

02:02 Altium Designer Free Trial
02:27 PCBWay

03:04 Hardware Overview

05:30 Arduino IDE Set-Up for ESP32
06:35 Board Set-Up
09:00 Flashing Firmware
10:27 LED GPIOs
12:57 USB Serial
14:02 SPI Sensor Interface, Basic Set-Up
18:34 SPI Protocol Basics, Read Register Implementation
24:50 SPI Test (Chip ID and Temperature Sensor)
28:06 WiFi Test (Basic Server to Toggle LED)

31:12 Outro