# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**6 device listed.**

## BigTreeTech HDMI5 V1.0

5-inch 800x480 IPS HDMI capacitive touchscreen display. Compatible with Raspberry Pi, BTT SBCs, and any HDMI source. USB-C data port, 3.5mm audio jack, 5-point touch, auto-driver on PC.

[Details](https://openhardware.directory/devices/bigtreetech-hdmi5-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-hdmi5-v1-0/md)

## BigTreeTech HDMI7 V1.0

7-inch 1024x600 IPS HDMI capacitive touchscreen display. Universal compatibility with Raspberry Pi, BTT SBCs, and any HDMI source. USB-C touch, 3.5mm audio output, 5-point touch, 160° viewing angle.

[Details](https://openhardware.directory/devices/bigtreetech-hdmi7-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-hdmi7-v1-0/md)

## BigTreeTech Panda Branch V1.0

USB power expansion board for Bambu Lab X1/P1/A1 series printers. Provides 4x USB-A 5V outputs at up to 2.7A peak from a 24V input, with overcurrent protection and MX3.0 AMS power interfaces.

[Details](https://openhardware.directory/devices/bigtreetech-panda-branch-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-panda-branch-v1-0/md)

## BigTreeTech CEB CAN Expansion Board

CAN bus power distribution and expansion board for BigTreeTech toolhead boards. Provides multiple 24V + CAN pass-through ports to daisy-chain toolhead boards in Klipper 3D printer setups.

[Details](https://openhardware.directory/devices/bigtreetech-ceb-can-expansion-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-ceb-can-expansion-board/md)

## BigTreeTech K-Hub V1.0

4-port USB 2.0 hub for Klipper-based 3D printers with dual 24V/5V power input support. Expands a single USB host port to connect multiple peripherals like ADXL345, EBB boards, and cameras simultaneously.

[Details](https://openhardware.directory/devices/bigtreetech-k-hub-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-k-hub-v1-0/md)

## BIQU AJAX TD1S

Filament Transmission Distance (TD) and HEX color measurement tool for 3D printing. Captures true filament color and TD values for HueForge integration to build accurate filament libraries and fix color shifts in multi-color prints.

[Details](https://openhardware.directory/devices/biqu-ajax-td1s) | [Markdown](https://openhardware.directory/devices/biqu-ajax-td1s/md)
