The BIQU PIN27 Board Adapter (Black) is a convenient plug-and-play expansion module designed to make BLTouch (or other auto-leveling/filament sensors) installation much easier on Creality Ender 3 and CR-10 series printers.
It eliminates the hassle of cutting the ribbon cable or soldering directly to Pin 27 on the mainboard, providing a clean and reliable connection.
Key Features:
- Plug-and-play design – no soldering or wire modification required
- Dedicated 3-pin connector for BLTouch (Brown-GND, Red-5V, Yellow-Signal)
- Wider power channel for better stability
- Compatible with standard BLTouch and similar 3-pin auto-leveling sensors
- Easy installation by inserting between the LCD ribbon cable (EXT1) and mainboard
- Compact black PCB board for clean integration
Installation Overview:
- Disconnect the LCD ribbon cable from the mainboard
- Connect the ribbon to the PIN27 board
- Plug your BLTouch sensor into the 3-pin port
- Reconnect the PIN27 board to the mainboard
- Update firmware (bootloader required for Ender 3)
Perfect for: Creality Ender 3, Ender 3 Pro, CR-10, and similar printers where users want a simple, solder-free BLTouch upgrade for automatic bed leveling.
Attention:
The pin 27 board makes installing a bltouch or filament sensor fast and easy. Normally you would need to cut the ribbon cable and solder into the pin 27 but with the board its plug and play.(after firmware update)
Make sure to check your wire configuration on your bltouch or filament sensor. The new bltouch sensors should plug right into the board without depining the connector.
Left to right: Brown-Ground, Red-5v, Yellow/Orange-Signal
Disconnect lcd ribbon ext1 on the control board
Connect Ext1 to the pin 27 board
Connect bltouch to the 3 pins on the pin 27 board. Left to right: Brown-Ground, Red-5v, Yellow-Signal
Connect the pin27 to the main board. Make sure to align the header pins from the pin 27 to the main board.
Ensure you connect BLTouch's 3 pins per the labeling on the board.
You must have a Bootloader flashed to your Ender 3 Board in order to use this. Support for that is not provided.

































