In this video we cover how to setup a Raspberry Pi Pico as a secondary MCU and pair it with an adxl345 accelerometer to run input shaper with Klipper
USEFUL LINKS!
https://www.klipper3d.org/Installation.html - Install Klipper/Make Firmware Flash File
https://www.klipper3d.org/Measuring_Resonances.html Setting up IS with accelerometer
https://i.imgur.com/MFl3WGF.jpg ADXL to PI PICO wiring
https://www.amazon.ca/Monoprice-106561-Keystone-Jack-USB-Coupler/dp/B003WKYCKY USB keystone jack, use this or a male-female usb cable so you no longer need to flip your printer to get at the RaspPi
adxl.cfg
##
[mcu adxl]
serial: /dev/serial/by-id/ PUT SERIAL ID HERE!!
[adxl345]
cs_pin: adxl:gpio1
spi_bus: spi0a
axes_map: x,z,y
[resonance_tester]
accel_chip: adxl345
probe_points:
150,150, 20 # middle of bed as an example
##
0:00 INTRO
0:48 Why use a rpi PICO
1:46 Making the wire harness
5:45 Firmware Install
8:24 Connecting Pico to Printer/Setup Configuration
12:05 How to install on OTHER printers
13:35 OUTRO
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