# 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.

**4 device listed.**

## BigTreeTech TFT35-E3 V3.0

3.5-inch dual-mode display designed as a direct replacement for the Ender 3 stock LCD. STM32 based with touchscreen TFT and 12864 emulation modes, supports SD and USB printing.

[Details](https://openhardware.directory/devices/bigtreetech-tft35-e3-v3-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-tft35-e3-v3-0/md)

## BigTreeTech TFT43/TFT50/TFT70 V3.0

Larger-format dual-mode 3D printer displays in 4.3-inch, 5-inch, and 7-inch variants. STM32-based with touchscreen TFT and 12864 LCD emulation modes, SD/USB printing, compatible with Marlin.

[Details](https://openhardware.directory/devices/bigtreetech-tft43-tft50-tft70-v3-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-tft43-tft50-tft70-v3-0/md)

## CompuLab IOT-GATE-IMX8PLUS

Industrial IoT edge gateway with NXP i.MX8M Plus quad-core Cortex-A53 at 1.8GHz, up to 8GB RAM, dual Ethernet (PoE), WiFi/BT, optional 4G LTE, 3x RS485/RS232, USB 3.0, TPM, and modular I/O expansion — designed for industrial-grade edge computing.

[Details](https://openhardware.directory/devices/compulab-iot-gate-imx8plus) | [Markdown](https://openhardware.directory/devices/compulab-iot-gate-imx8plus/md)

## CompuLab IOT-DIN-IMX8PLUS

DIN-rail industrial IoT gateway with NXP i.MX8M Plus quad-core Cortex-A53 at 1.8GHz, up to 8GB RAM, dual LAN, CAN bus, RS485/RS232, optional LTE, stackable I/O modules (up to 12x serial, 32x DI/DO, ADC), and 15-year availability.

[Details](https://openhardware.directory/devices/compulab-iot-din-imx8plus) | [Markdown](https://openhardware.directory/devices/compulab-iot-din-imx8plus/md)