Nozzle Hard Mounted ADXL345 Accelerometer by provok3d / Boxxy

Are you looking to buy an Nozzle Hard Mounted ADXL345 Accelerometer by provok3d / Boxxy in Australia?

The hole in the PCB is designed to fasten the device directly onto the heater block with the nozzle “hard mounting”, which eliminates the need for additional hardware and reduces installation complexity. The device can be easily installed and removed from the heater block with the nozzle without the need for additional tools.
When it comes to mounting an accelerometer, hard mounting is generally considered to be a better option compared to using plastic mounting.

Here are some reasons why:
Better accuracy: Hard mounting an accelerometer directly onto the surface of the test object provides a more accurate measurement of the vibration. This is because the accelerometer is in direct contact with the object, and there is no potential for the accelerometer to shift or move during testing, which could introduce errors in the measurement. In contrast, plastic mounting can introduce some flexibility or movement between the accelerometer and the test object, which can lead to inaccuracies in the measurement.
Increased sensitivity: Hard mounting an accelerometer can increase its sensitivity to low-level vibrations. By mounting the accelerometer directly onto the surface of the test object, it can pick up even subtle vibrations that might not be detected using a plastic mounting. This can be particularly important for applications where precise measurement of low-level vibrations is critical.

They will be flashed with https://github.com/XBoxxyX/ampon_anchor and tested for 3 axis functions before shipping. You may flash klipper direct if you need.

• Pat Pending
• 4 Layer PcB
• Surface finish: ENIG/gold plated   INFO HERE
• Mounts where you need to measure vibrations
• No extra parts needed for installation
• Stm32 based Shipped/Pre flashed with Ampon a fork of Crampon
• Plug n Play

Klipper requires the following config:

[mcu ampon]
serial: /dev/serial/by-id/usb-Anchor_Ampon-if00

[adxl345]
cs_pin: ampon:CS

[resonance_tester]
accel_chip: adxl345
probe_points: 90, 90, 20

Installation:

1. Heat hotend to the temperature appropriate to the filament loaded (eg. 240-250c for ABS) and unload.
2. If necessary, heat hotend to the temperature at which the nozzle was tightened and remove nozzle.
3. Power off the printer
4. Allow the hotend to cool completely.
5. Install the sensor, securing the pcb to the hotend with the nozzle and connect pcb to the pi with the included cable.
6. Perform required resonance measurement
   *Do Not heat the hotend with the Nozzle mounted ADXL installed*
7. Once measurements/tuning are complete, remove and reinstall / hot tighten your nozzle

For further information please visit:

Provoke3D / Boxxy’s nozzle mounted ADXL Github repository

https://github.com/XBoxxyX/ampon_anchor

Klipper’s Resonance Compensation documenations:

https://www.klipper3d.org/Resonance_Compensation.html

https://www.klipper3d.org/Measuring_Resonances.html

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