# Dual extruder sharing sensor and heater **URL:** \ **Category:** General Discussion\ **Created:** [July 28, 2024, 11:16pm UTC](https://klipper.discourse.group/t/dual-extruder-sharing-sensor-and-heater/17947 "2024-07-28T23:16:34Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![kmjr20](https://avatars.discourse-cdn.com/v4/letter/k/d26b3c/32.png) [@kmjr20](https://klipper.discourse.group/u/kmjr20)\ **Post date:** [July 28, 2024, 11:16pm UTC](https://klipper.discourse.group/t/dual-extruder-sharing-sensor-and-heater/17947/1 "2024-07-28T23:16:34Z")
### Basic Information: Printer Model: BTT M\*P V2 MCU / Printerboard: Host / SBC klippy.log I have a dual extruder that shares a hot end and thermister. I have tried every configuration and I keep getting errors, “must assign heater pin in extruder1”, too many heater\_pin: PA0 entries. I just would like to find a configuration that works ---
**Author:** ![EddyMI3D](https://yyz2.discourse-cdn.com/free1/user_avatar/klipper.discourse.group/eddymi3d/32/1981_2.png) [@EddyMI3D](https://klipper.discourse.group/u/EddyMI3D)\ **Post date:** [July 29, 2024, 5:53am UTC](https://klipper.discourse.group/t/dual-extruder-sharing-sensor-and-heater/17947/2 "2024-07-29T05:53:44Z")
![grafik](https://global.discourse-cdn.com/free1/uploads/klipper/original/2X/4/408756ed86c48eefdf447c79c89bc298a190ca43.png) Please attach the klippy.log to your **next post**. ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/klipper/original/1X/64419bf2aac6639e6ef5cef200dcd456b0a01ac3.png) [@system](https://klipper.discourse.group/u/system)\ **Post date:** [September 27, 2024, 5:54am UTC](https://klipper.discourse.group/t/dual-extruder-sharing-sensor-and-heater/17947/3 "2024-09-27T05:54:17Z")
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