MartinFowler

Cube-415_USB display

Overview

Cube-415_USB-Display

·USB display based on ESP32S2

Q group 565264047 Welcome to play~

·Resolution: 320 x 240 / 640 x 480 (PCB uses 2.8-inch 320 x 240)

·Refresh rate: 60fps (theoretical) ~ 18fps (actual jpeg decoding speed)

·Power consumption: 0.70W (MAX) 0.36W (firmware default brightness)

·Driver: Win10 20h2, Win11 2200 tested and available

Power-on effect

connection effect

1080P zoom display effect

Currently, only the firmware of st7789 is provided. The 2.8-inch version is priced at 19 yuan on Taobao with free shipping, and the 2.4-inch version is priced at 17 yuan with free shipping. There is a chance of receiving a sign-in red envelope.

Due to driver reasons, it is currently only available under Windows.

For Linux drivers, please refer to rpusbdisp: https://github.com/robopeak/rpusbdisp

But because the performance is not good, ~~it may be~~ annoying.

Based on open source projects, original project: https://github.com/chuanjinpang/win10_idd_xfz1986_usb_graphic_driver_display

Please refer to the original project for driver installation.

Program burning: Manual USB download/ Cube-esp-tool fast burning interface

Burning command:

esptool.py -p (PORT) -b 916200 --before default_reset --after hard_reset --chip esp32s2  write_flash --flash_mode dio --flash_size detect --flash_freq 80m 0x1000 build/bootloader/bootloader.bin 0x8000 build/partition_table/partition-table.bin 0x10000 build/ili9340.bin

(PORT) Depends on operating system and burning method, for example:

/	Manual USB burning	Cube-esp-tool fast burning
Linux	/dev/ttyACM[X]	/dev/ttyUSB[X]
Windows	COM[X]	COM[X]

USB needs to enter download mode manually to recognize the serial port

GUI burning automatically corresponds to the file and address in the command

2022.2.18 Ver2.2 firmware update
- Optimize JPEG decoding
- Optimize the power-on process
- Modify some registers of st7789 to enhance the display effect
- Modify the SDK and force compilation using -Ofast
- Turn on some experimental compilation optimizations

2022.2.26 Ver2.3 firmware update
- Optimize the gamma register value of st7789
- Deleted some debugging code
- Optimized fps calculation

2022.3.4: Subsequent versions will be placed in the group file (not created yet)

There are many people asking questions in private messages. Here is a unified reply: I really don’t have time recently. I will wait until the college entrance examination is over. If you have any questions, you can figure it out on your own.

Demonstration video <--Give me three in a row~

Design Files

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Update:2025-06-19 05:51:21

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