What are the details on the screen? What is it's model number? What is its resolution?

Okay so it took a lot of squinting but the model number o the screen is 9e6008a1. I found an eBay listing saying that it is SSD1306 using I2C

I've got the wifi and display working fine, but can't get any I/O pins working. Anyone have a pin out diagram?

Here you go: https://github.com/FablabTorino/AUG-Torino/wiki/Wemos-Lolin-board-%28ESP32-with-128x64-SSD1306-I2C-OLED-display%29

What are the gpio marked touch for?

The touch GPIOs are able to detect the touch of a finger. When you initialize them as touchpads like this in MicroPython: from machine import Pin, TouchPad up = TouchPad(Pin(input_up)) You can now read a value from the GPIO that will let you know if someone is touching it with their finger. up_value = up.read() If I remember correctly, the value is between 0 and 1024, and it kind of jumps around a bit. But when it falls below the midpoint of the range, you can be pretty sure somebody's got their finger on it. You should be able to wire a metal pad to it as well, though I've never gone that far.

What voltage do I need to run off of batteries?

Standard LiPo or 18650 battery (3.3V)

HiLetgo ESP32 OLED Development Board 0.96" OLED Display ESP-WROOM-32 ESP32 ESP-32 WiFi-BT for Arduino AP STA

Product ID: 256334324

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Details

Brand
HiLetgo
Memory storage capacity
2 MB
CPU speed
2.4 GHz
Connectivity technology
Bluetooth
Included components
ESP-WROOM-32

📡2.4 GHz Wi-Fi

🔋Bluetooth Low Energy

🛠️AP & STA support

Description

🚀 Elevate Your Projects with Cutting-Edge Connectivity!

DEVELOPERS DREAM - Perfect for Arduino enthusiasts looking to innovate.
SCALABLE SOLUTIONS - Built on TSMC 40nm chips for safe and reliable applications.
UNLEASH CONNECTIVITY - Experience seamless 2.4 GHz dual-mode Wi-Fi for robust connections.
VERSATILE PROGRAMMING - Supports AP, STA, and LUA programming for ultimate flexibility.
POWER MEETS EFFICIENCY - Leverage Bluetooth low power technology for extended battery life.

The HiLetgo ESP32 OLED Development Board features a 0.96" OLED display and is powered by the ESP-WROOM-32 chip, offering dual-mode Wi-Fi and Bluetooth low energy capabilities. Ideal for developers, it supports various programming modes and is built for scalable applications.

Specifications

ASIN	B072HBW53G
Best Sellers Rank	#3,240 in Single Board Computers (Computers & Accessories)
Brand	HiLetgo
Compatible Devices	Arduino AP STA
Connectivity Technology	Bluetooth, Wi-Fi
Customer Reviews	3.7 3.7 out of 5 stars (53)
Item Dimensions L x W x H	2.52"L x 1.02"W x 0.96"H
Manufacturer	HiLetgo
Memory Storage Capacity	2 MB
Mfr Part Number	3-01-1290
Model Name	ESP-WROOM-32 ESP32 ESP-32
Model Number	8541582783
Operating System	FreeRTOS
Processor Count	2
RAM Memory Technology	LPDDR4
Wireless Compability	Bluetooth

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