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Clip-On RP2040 Zero ADXL 345 Input Shaper Probe
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Resonance probe for input shaper calibration for the Klipper firmware based on a RP2040 Zero and a ADXL 345 Sensor.
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Resonance probe for input shaper calibration for the Klipper firmware based on a RP2040 Zero and a generic ADXL 345 Sensor SPI breakout board..
Wiring:
| RP2040 | ADXL 345 |
| GPIO 0 | SDO |
| GPIO 1 | CS |
| GPIO 2 | SCL |
| GPIO 3 | SDA |
| GND | GND |
| 3.3V | VCC |
Klipper-Configuration:
[mcu pico]
serial: /dev/serial/by-id/usb-Klipper_rp2040_XXXXXXXXXX-if00[adxl345]
cs_pin: pico:gpio1
spi_bus: spi0a
axes_map: x, y, z
[resonance_tester]
accel_chip: adxl345
probe_points:
100,100,50
I have attached a klipper build for the RP2040 based on the 2023-03-12 source tree. Please note that the path to the serial port needs to be configured to match your system.