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Diffstat (limited to 'docs/Measuring_Resonances.md')
| -rw-r--r-- | docs/Measuring_Resonances.md | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/docs/Measuring_Resonances.md b/docs/Measuring_Resonances.md index ba9ad3e9..e0d5297d 100644 --- a/docs/Measuring_Resonances.md +++ b/docs/Measuring_Resonances.md @@ -19,7 +19,7 @@ that it has a voltage regulator and a level shifter. ### Wiring An ethernet cable with shielded twisted pairs (cat5e or better) is recommended -for signal integrety over a long distance. If you still experience signal integrity +for signal integrity over a long distance. If you still experience signal integrity issues (SPI/I2C errors), shorten the cable. Connect ethernet cable shielding to the controller board/RPI ground. @@ -41,7 +41,7 @@ SCLK+CS **Note: Many MCUs will work with an ADXL345 in SPI mode(eg Pi Pico), wiring and -configuration will vary according to your specific board and avaliable pins.** +configuration will vary according to your specific board and available pins.** You need to connect ADXL345 to your Raspberry Pi via SPI. Note that the I2C connection, which is suggested by ADXL345 documentation, has too low throughput @@ -49,7 +49,7 @@ and **will not work**. The recommended connection scheme: | ADXL345 pin | RPi pin | RPi pin name | |:--:|:--:|:--:| -| 3V3 (or VCC) | 01 | 3.3v DC power | +| 3V3 (or VCC) | 01 | 3.3V DC power | | GND | 06 | Ground | | CS | 24 | GPIO08 (SPI0_CE0_N) | | SDO | 21 | GPIO09 (SPI0_MISO) | @@ -310,7 +310,7 @@ or you can choose some other configuration yourself based on the generated charts: peaks in the power spectral density on the charts correspond to the resonance frequencies of the printer. -Note that alternatively you can run the input shaper autocalibration +Note that alternatively you can run the input shaper auto-calibration from Klipper [directly](#input-shaper-auto-calibration), which can be convenient, for example, for the input shaper [re-calibration](#input-shaper-re-calibration). @@ -550,9 +550,9 @@ supplying `AXIS=` parameter, like SHAPER_CALIBRATE AXIS=X ``` -**Warning!** It is not advisable to run the shaper autocalibration very +**Warning!** It is not advisable to run the shaper auto-calibration very frequently (e.g. before every print, or every day). In order to determine -resonance frequencies, autocalibration creates intensive vibrations on each of +resonance frequencies, auto-calibration creates intensive vibrations on each of the axes. Generally, 3D printers are not designed to withstand a prolonged exposure to vibrations near the resonance frequencies. Doing so may increase wear of the printer components and reduce their lifespan. There is also an |