VoCore screen in 4, 5 and 6.8 Inch
VoCore screen in 4, 5 and 6.8 Inch
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VoCore screen in 4, 5 and 6.8 Inch
VoCore screen in 4, 5 and 6.8 Inch

VoCore screen in 4, 5 and 6.8 Inch

vocore

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195.00zł

195.00zł

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VoCore Screen

1.jpg
5d0.high.jpg
6d8.high.jpg
note: connectors are designed for inside shell usage, they are pretty weak, please take care.

VoCore Screen is a fast screen for high quality display usage for embed devices. It uses USB2.0 port to display real color(24bit) at 25fps, fit for video, embed rich UI interface application. It is designed for the device who does not have MIPI, HDMI or other video interface but only have USB2.0 interface.

DEMO VIDEOPlay Doom on VoCore2

DEMO VIDEOUse as PC Display

DEMO VIDEOUse VoCore2 as Control Panel

Parameters(MPRO Driver Board)

5inch 3.4inch round
SIZE 119.3mm x 68.7mm x 3.6mm 115mm x 3.6mm
DISPLAY SIZE 109.6mm x 61.6mm 88mm
INTERFACE USB 2.0 HS USB 2.0 HS
RESOLUTION 480 x 854 800 x 800
FRAME PER SECOND 35(full draw)/60(partily draw) 22(full draw)/60(partily draw)
TOUCH PAD Capacitive, two points Capacitive, two points(April.1)
DRIVER framebuffer, libusb framebuffer, libusb
POWER SUPPLY USB-TYPEC 5.0V USB-TYPEC 5.0V
POWER CONSUMPTION ~1.35W ~1.55W
BACKLIGHT 350LM 350LM

Parameters(V7B Driver Board)

4inch 4.3inch 5inch 6.8inch
SIZE 97mm x 58mm x 3.8mm 104.3mm x 61.3mm x 3.6mm 119.3mm x 68.7mm x 3.6mm 165.0mm x 100.0mm x 7.3mm
DISPLAY SIZE 86mm x 53mm 93.6mm x 56.2mm 109.6mm x 61.6mm 148.1mm x 88.9mm
INTERFACE USB 2.0 HS USB 2.0 HS USB 2.0 HS USB 2.0 HS
COLORS 24bit, 16bit 24bit, 16bit 24bit, 16bit 24bit, 16bit
RESOLUTION 480 x 800 480 x 800 480 x 854 800 x 480
FRAME PER SECOND 24(24bit), 30(16bit) 24(24bit), 30(16bit) 24(24bit), 30(16bit) 24(24bit), 30(16bit)
TOUCH PAD Capacitive, two points Capacitive, two points Capacitive, two points Capacitive, two points
DRIVER framebuffer, libusb framebuffer, libusb framebuffer, libusb framebuffer, libusb
POWER SUPPLY microUSB 5.0V microUSB 5.0V microUSB 5.0V microUSB 5.0V
POWER CONSUMPTION ~1.2W ~1.2W ~1.35W ~2.4W
BACKLIGHT 350LM 350LM 350LM 400LM

How It Works

The screen has memory to store the picture, so you can directly send data through USB, data format is R-G-B-R-G-...in SDK the API has packaged all necessary functions, please also check the demo of DOOM to study how it works.

Current version support framebuffer driver for VoCore2 and Raspberry, please download SDK and try fbusb.ko

Sources

KICAD MODULE: Download

DRIVER BOARD 3D MODEL: Download

DRIVER, DEMO(20240220 support MPRO): Download Tutorial

2020.05.22: new VoCore Screen has touch screen now, for old no touch screen version, please click here

Littlevgl DEMO Source Code: Download

Littlevgl DEMO Firmware: Download

note: use sysupgrade or luci directly load uncompressed firmware to VoCore2 then it will work.

Tutorials

Connect to VoCore2

1. prepare a common USB 2.0 cable with microUSB port, make sure the cable has data wires(some USB cables are only for power charge and do not have data wires, it does not work with this screen).

2. compile fbusb driver, its source code is in SDK, or get from github.com/vonger/vocore2, in package/utils/fbusb.

3. power off VoCore2 and connect the screen with USB cable to VoCore2's USB port.

4. connect VoCore2 to 5V power, then around 10~15 seconds, you can find the screen LED is light, after around 0.5s, screen will become white, then we know it works.

note: fbusb will map screen to /dev/fb0.

Connect to Raspberry Pi

1. prepare a common USB 2.0 cable with microUSB port(make sure it has data cable)

2. compile fbusb for raspberry pi

3. call 'sudo insmod fbusb.ko', if success, you can find fbusb log in dmesg.

note: fbusb will map screen to /dev/fb1.

Try framebuffer

fbusb use 16bit color as default.

1. set screen to black: dd if=/dev/zero of=/dev/fb0 bs=1000 count=768

2. set screen to random pixel: dd if=/dev/urandom of=/dev/fb0 bs=1000 count=768

note: on vocore, it is /dev/fb0; on raspi, it is /dev/fb1.

User mode(use libusb instead of fbusb driver)

this mode is for windows and other system can not use fbusb driver but we can use libusb.

please check SDK README.md and source code send_frame.c/send_cmd.c/read_touch.c for usage.

4inch Screen Dimension

screen1.png
screen2.png

5inch Screen Dimension

5INCH.jpg

4.3inch Screen Dimension

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6.8inch Screen Dimension

6in8.png

3.4inch Round Screen Dimension

3in4.png

MPro Screen Driver

mpro.png

MPRO 3D MODULE: Download

MPRO KICAD FOOTPRINT: Download

MPRO TEST POINT: POWER = 5V/GND; USB = DM/DP; I2C = DAT/CLK(both have 5kR pull up); OTHER PINS KEEP UNCONNECTED

mpro-bot.png

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