CrowPanel-ESP32-2.9-inch-nametag-firmware

Custom firmware for the CrowPanel ESP32-S3 2.9" e-paper display with Wi-Fi upload support.

📦 Features

• Hosts its own Wi-Fi access point (ESP32_Config)
• Web-based interface to upload .bin image files
• Displays uploaded image fullscreen on the 296×128 e-paper display
• Removes the default top banner ("Ap_29demo.h" bar)
• Designed for clean, minimal, centered image output
• Auto-powers on the display via GPIO 7

🛠 Based On

This firmware is based on Elecrow's original Arduino demo for the CrowPanel (2.9_WIFI_refresh.zip) but modified for:

• Standalone operation without USB tethering
• Full-screen rendering (no top bar UI)
• Better support for custom bit-packed images (see binner tool)

📷 Uploading Images

1. Connect to the Wi-Fi AP named ESP32_Config.
2. Open http://192.168.4.1/ in your browser.
3. Upload a txt.bin file (generated using the binner script).
4. The display will immediately update with your image.

🧱 Display Format

Images must be:

• 296×128 pixels
• 1-bit monochrome
• Packed in column-major format (8 vertical pixels per byte)
• Bit-reversed in each byte to correct for horizontal mirroring

Use the companion binner script to generate valid .bin files from PNGs.