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 0.96" ESP32 OLED ESP32 ESP-32 OLED WiFi Bluetooth Development OLED Display for Arduino AP STA

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

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Description

🚀 Elevate your IoT game with the ultimate compact Wi-Fi + Bluetooth dev board!

COMPACT POWERHOUSE - Tiny 2.52" x 1.02" PCB with integrated antenna and RF components for sleek embedding
DEVELOPER FRIENDLY - LUA programming support and LwIP protocol compatibility for rapid prototyping
CUTTING EDGE CHIPSET - Built on TSMC 40nm tech with LPDDR4 RAM for scalable, power-efficient projects
SEAMLESS CONNECTIVITY - Dual-mode Wi-Fi + Bluetooth low energy for ultra-reliable wireless performance
VERSATILE NETWORK MODES - Supports AP, STA, and combined AP+STA modes for flexible IoT deployments

The HiLetgo ESP32 ESP-32 0.96" OLED development board integrates dual-mode 2.4 GHz Wi-Fi and Bluetooth low power technology on a compact PCB. Featuring a crisp OLED display, integrated antenna, and support for AP, STA, and combined network modes, it offers a powerful, scalable solution for Arduino projects. Powered by a TSMC 40nm chip with LPDDR4 RAM and FreeRTOS OS, it’s designed for reliable, efficient wireless connectivity and rapid development.

Specifications

ASIN	B072HBW53G
Best Sellers Rank	#1,995 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 (54)
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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