HDMI TO RGB+SPI DISPLAY DRIVER BOARD
HDMI Display Board TBJ034HD-01 for RGB TFT LCD Integration

TBJ034HD-01 is a TailorPixels HDMI display board for engineers who need a fast way to evaluate square and round TFT LCD modules with an HDMI source.
- Mini HDMI input
- Type-C power and touch connection
- RGB 40pin / RGB+SPI LCD output
- 2.1 to 3.95 inch display demos
Watch TBJ034HD-01 With Compatible LCD Modules
The video shows Raspberry Pi-driven demos for 2.1-inch, 2.73-inch, 2.8-inch touch, 3.4-inch, and 3.95-inch LCD options.
Board Overview
| Model | TBJ034HD-01 |
| Product type | HDMI to RGB+SPI display driver board |
| Input | Mini HDMI |
| Power / touch | Type-C, shown as Power & Touch in product image |
| Display output | RGB 40pin / RGB+SPI |
| PCB size | 56.5 x 47.4 mm, from the official product page |
| Display family | Compatible square and round TFT LCD modules |
| Visible resolutions | 320×320, 480×480, and 720×720, depending on LCD model |
Why Engineers Use This Board
HDMI-to-RGB Evaluation
Drive compatible RGB TFT LCD modules from an HDMI source for faster prototype testing.
Round and Square LCDs
Present multiple display options without forcing users into one SKU page.
Raspberry Pi Demo Path
Use video proof to show the board working with different LCD sizes.
Project Matching
Support display, board, cable, touch, and application review before sampling.
Compatible LCD Module Matrix

2.1-inch round LCD, 480×480, with HDMI board and driven by Raspberry Pi

2.8-inch round LCD, 480×480, with HDMI board and driven by Windows

2.8-inch round touch LCD, 480×480, with HDMI board and driven by Raspberry Pi

2.73-inch square LCD, 320×320, with HDMI board and driven by Raspberry Pi

3.4-inch square LCD, 480×480, with HDMI board and driven by Windows

4-inch square LCD, 720×720, with HDMI board and driven by Windows
| LCD Model | Size | Shape | Resolution | Interface | Best fit |
|---|---|---|---|---|---|
| TTC021TRS-01 | 2.1 inch | Round | 480×480 | RGB+SPI / HDMI board | Compact round UI |
| TTC028BRS-02 | 2.8 inch | Round | 480×480 | RGB+SPI / HDMI board | Round display |
| TTC028BRS-02C | 2.8 inch | Round | 480×480 | RGB+SPI / HDMI board, CTP | Round touch display |
| TTC273XSI-01 | 2.73 inch | Square | 320×320 | RGB+SPI / HDMI board | Compact square UI |
| TTG034BSS-02 | 3.4 inch | Square | 480×480 | RGB+SPI / HDMI board | Mid-size square UI |
| TTC040XST-03 | 3.95 inch | Square | 720×720 | RGB+SPI / HDMI board | Higher-resolution square UI |
Information to Confirm Before Sampling
- Display size and model
- Resolution and shape
- Touch panel requirement
- HDMI source device
- Common RGB interface details
- Power input
- Cable and connector direction
- Mechanical installation limits
FAQ
What is TBJ034HD-01?
TBJ034HD-01 is a TailorPixels HDMI to RGB+SPI display driver board for compatible TFT LCD modules. The LCD modules use the common RGB 40-pin interface.
What kinds of display module can be used with this HDMI converter?
The interface of the display module should at least follow the exact RGB 40-pin interface below:

Can it be used with touch displays?
It provides Type-C power/touch support. See the 2.8-inch touch LCD demo. Confirm the exact touch configuration before sampling.
Can this board work with Raspberry Pi?
It provides the USB Type-C interface for power and touch, plus HDMI input for display. The video shows Raspberry Pi-driven HDMI board demos. Confirm your Raspberry Pi model, display size, and touch requirement before ordering.
Need an HDMI Board for Your TFT LCD Project?
Send us your display datasheet or requirement details of their interface, resolution, function and application requirements. Our team can help confirm whether our converter and a compatible round or square TFT LCD module fit your project.