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)

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HiLetgo ESP32 OLED WiFi Bluetooth Development Display for Arduino

Product ID: 46321164

Details

Brand
HiLetgo
Connectivity Technology
Bluetooth
Memory Storage Capacity
2 MB
Model Name
ESP-WROOM-32
Operating System
FreeRTOS

📶2.4 GHz dual-mode Wi-Fi

🔋Bluetooth low power tech

🖥️0.96" crisp OLED display

11364 Ft

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Description

🚀 Elevate your IoT game with the ultimate compact dev board!

PLUG PLAY READY - Perfectly tailored for Arduino projects with FreeRTOS support
COMPACT POWERHOUSE - Tiny 2.52" x 1.02" board packing TSMC 40nm chip efficiency
OPTIMIZED PERFORMANCE - Integrated antenna & RF components for superior signal & power management
SEAMLESS CONNECTIVITY - Dual-mode Wi-Fi & Bluetooth for flawless wireless integration
VERSATILE DEVELOPMENT - Supports AP, STA, and combined modes with LUA programming ease

The HiLetgo ESP32 OLED WiFi Bluetooth Development Display is a compact, high-performance board featuring a 0.96" OLED screen, integrated dual-mode 2.4 GHz Wi-Fi and Bluetooth low power technology, and a powerful TSMC 40nm chip. Designed for seamless Arduino integration, it supports multiple wireless modes and LUA programming, making it ideal for scalable, reliable IoT and embedded applications.

Specifications

ASIN	B072HBW53G
Best Sellers Rank	#4,654 in Single Board Computers (Computers & Accessories)
Brand	HiLetgo
Compatible Devices	Arduino AP STA
Connectivity Technology	Bluetooth, Wi-Fi
Customer Reviews	3.9 3.9 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
Number of Items	1
Operating System	FreeRTOS
Processor Count	2
RAM Memory Technology	LPDDR4
Wireless Compability	Bluetooth

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