Touchscreen Display Bigtreetech TFT35 v3.0 3.5" — Bigtreetech BTT-18758

Bigtreetech TFT35 v3.0 3.5" is a compact touchscreen display module designed for integration with 3D printers and embedded control panels. Supplied as model BTT-18758, the module offers a 3.5-inch color touchscreen that provides a user-friendly interface for printer control, menu navigation, real-time status monitoring and basic configuration tasks. The display supports two operation modes to accommodate different firmware and controller board setups, enabling direct control from the screen or interaction via a connected mainboard.

Advantages

The TFT35 v3.0 delivers a responsive capacitive touchscreen with clear visual feedback, reducing the need for external controls and simplifying on-device adjustments. Its compact form factor and standard connectors make integration straightforward on many popular printer controller boards. Dual operation modes increase compatibility across firmware variants and hardware configurations, while a well-organized menu structure makes routine tasks like starting prints, adjusting temperatures and monitoring progress easier to perform directly from the display.

Suitable for

• 3D printer control panel replacement or upgrade
• Embedded control for DIY printer builds and custom enclosures
• On-device print start, pause/resume and basic parameter adjustments
• Status monitoring and simple configuration without a connected computer

Key specifications

• Display diagonal: 3.5 inches
• Capacitive touchscreen with multi-touch support
• Color LCD with resolution suitable for menu and status display
• Supports two operation modes for compatibility with different controller boards and firmware
• Compact PCB size with standard connectors for power, data and control signals
• Designed for integration into 3D printer control systems and embedded panels

How to use

Connect the TFT35 v3.0 to a compatible controller board using the appropriate ribbon or cable connectors, matching power and data pinouts as specified by the controller board documentation. After physical installation, select the operation mode that matches your firmware and controller configuration. Use the touchscreen to navigate menus, start and stop print jobs, set temperatures and execute basic printer functions. Refer to the controller board and firmware manuals for any required firmware settings or pin mapping adjustments to ensure full functionality.

Usage recommendations

Install the display on a stable surface inside the printer enclosure, avoid exposure to direct heat sources and secure all cable connections. Verify firmware compatibility and, if necessary, update or adjust firmware settings according to your controller board documentation. Keep the touchscreen surface clean and avoid using sharp objects for interaction to preserve touch sensitivity and display integrity.