This is our most compact and least expensive driver board. It only has an HDMI input and doesn't have audio.
This driver has a scaler built in. That means you can use it to drive an 800x480 display but set the computer to output 1280x800 and it will scale the display down. However, the image will be stretched out (distorted) if the aspect ratio of the scaler doesn't match up. For example, if you have an 800x480 display, the aspect ratio is 1.6 so 1280x720 would look stretched out (1.77 ratio) but 1280x800 would probably look OK (1.66 ratio)
It's the same chipset (RTD2660H) as the larger HDMI/VGA/NTSC/PAL driver, so the interface and functionality is the same
As it is TTL only, not LVDS, we only have it for our smaller low-resolution screens. Basically, 1024x600 or smaller screens
The nice thing about this driver is it is compact, simple, and can be powered directly from a USB port, the power requirement is basically 5V @ 500mA
To let the Pi A+/B+ drive a display power over USB, first make sure you have a 2A power supply, with a good quality USB cable, a thin wire power cable is no good. Make sure its 24AWG or smaller, shorter USB cables are better too. Then add
max_usb_current=1
to /boot/config.txt
If you're getting wierd reboots, its likely the power supply and/or power USB cable is not good enough. A powered hub will also solve this problem
The PROG JST connect is generally for factory use only. It's the port we use to program the board before sending it to you
All JST connectors are JST-XH type, 2.5mm pitch.
Power input: 5v USB - current draw depends on the display size a bit, but is basically ~500mA
Menu Options
Each driver board comes with a few menus of customizable settings. We go through each below, with some helpful pictures, to show you what you're able to easily control!
The keypad buttons help you navigate the display menus and sub-menus.
As shown in the picture above:
- key is DOWN
+ key is UP
MENU key is SELECT (brings you to the next menu or option)
AUTO key is BACK
When you first start up, you can use the Auto/Back key to select the input source!
Brightness - Adjust the brightness
Color - Adjust the color
Saturation - Adjust the saturation
Language - There are a full range of language options for your display. They are:
English, French, Italian, Mandarin, Cantonese, German, Spanish, Japanese, Korean, and Russian
H Position - Horizontal Position
V Position - Vertical Position
OSD Timeout - Adjust the time for the display to go black.
Transparent - Adjust the OSD (on screen display) menu's transparency against the background image
Reset - Reset settings to factory default
Display Ratio:
- 16:9
- Auto
- 4:3 - compresses image to 4:3 - does not cut off the image!
Sleep - Sleep timer - this will completely shut off the screen at the end of the set time (0-120 minutes)
Blue Screen - On/Off - This changes the color of the screen on start up when you choose your input
Sharpness - Adjust the sharpness from 0 to 100
Mode:
- SYS1 - Makes the text backward from SYS3
- SYS2 - rotates the screen 180°
- SYS3 - Default - has screen situated with bottom toward the cable
- SYS4 - Rotates 180° and makes the text read backward
Keep going down for more options!
Power Saving - 10s to 60s - how long it takes for the screen to shut off
Burnin - On/Off - a function to prevent screen burn-in
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