is there a pin out diagram for this board ?

On the board I received today, October 18, 2017, there are NO pin labels on the bottom of the board. In fact, there is no labeling at all, contrary to the product pictures above. The board has no pin labels on top, either. The NodeMCU documentation I have just found has a completely different set of pin assignments as compared to the pictured pin labels above.

I've downloaded every driver i can find and neither my pc nor my mac will recognize this thing. help?

One of the reviewers said it required CH210 instead of the usual CH340 or CP2102. Since this is an old question it may not help you, but I hope this helps someone down the road,

Are these Rev0 or Rev1 of the esp32 chip?

The chip revision is 1. I obtained this by running the code to retrieve it from the ESP32 module itself, so I know it's accurate. My delivery date was Jul 12, 2017.

set esp32 as web server, but lost connection after 1 minutes, maybe wifi sleep, is there any way not wifi sleep?

This ESP32 has dormant function, but only if you write a command in the software and enable it, the dormant function will be eabled. If like this, please remove this command. If you didn't write such a command, the disconnection may be due to weak wifi signal or the wifi has large interference.

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HiLetgoESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE

HiLetgoESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE

Product ID: 255301933

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Brand
HiLetgo
Model name
ESP-WROOM-32
CPU model
core_m
CPU speed
2.4 GHz
Connectivity technology
Bluetooth

⚡Ultra-Low Power

📶2.4GHz WiFi & Bluetooth

🛠️Arduino IDE Compatible

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Description

🚀 Elevate Your Projects with the Power of ESP32!

VERSATILE MODES - Switch effortlessly between AP, STA, and AP+STA modes to suit your project needs.
SCALABLE SOLUTIONS - Ideal for a variety of applications, from hobbyist projects to professional deployments.
UNLEASH CONNECTIVITY - Experience seamless 2.4GHz dual-mode WiFi and Bluetooth for all your IoT projects.
ROBUST PROTOCOL SUPPORT - Leverage LWIP protocol and FreeRTOS for enhanced performance and reliability.
POWER EFFICIENCY REDEFINED - Enjoy ultra-low power consumption, perfect for long-lasting applications.

The HiLetgo ESP-WROOM-32 Development Board is a cutting-edge microcontroller featuring 2.4GHz dual-mode WiFi and Bluetooth capabilities. Designed for compatibility with the Arduino IDE, it supports multiple operational modes and boasts ultra-low power consumption, making it a versatile choice for both hobbyists and professionals in the IoT space.

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Processor	1 MHz Tegra
RAM	LPDDR
Wireless Type	Bluetooth
Brand	HiLetgo
Series	ESP-WROOM-32
Item model number	3-01-1287
Operating System	FreeRTOS
Item Weight	0.704 ounces
Package Dimensions	3.78 x 2.36 x 0.71 inches
Color	Black
Processor Brand	NVIDIA
Number of Processors	2
Manufacturer	HiLetgo
ASIN	B0718T232Z
Is Discontinued By Manufacturer	No
Date First Available	April 22, 2017

HiLetgoESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE

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