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updated about section with I2C info #docs

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pyr0ball 2020-10-08 13:55:17 -07:00
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docs/about.md
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@ -16,7 +16,9 @@ Well, yeah a couple. The sensor requires introducing a small amount of physical
### How do I use it? ### How do I use it?
I designed the sensor to connect to a 3D Printer's controller like any other endstop or Z-Probe. Future versions will have an i2c interface that will allow the 3D Printer's controller to change parameters on the fly during a print or before a fast move. I designed the sensor to connect to a 3D Printer's controller like any other endstop or Z-Probe. The sensor also includes an i2c interface that allows the 3D Printer's controller to change parameters on the fly during a print or before a fast move. Marlin support is already incoming, and I'm working on getting integration through Klipper and RepRap.
There's also a sketch included with the github source that can be installed on an Arduino Uno to act as a USB-I2C bridge to set parameters for now until 3d printer controller firmware adopts the new protocol.
The piezo element is mounted somewhere on the 3D Printer in such a way that it undergoes mechanical stress when the nozzle touches the bed. So far there have been three distinct mounting schemes that appear to work well: The piezo element is mounted somewhere on the 3D Printer in such a way that it undergoes mechanical stress when the nozzle touches the bed. So far there have been three distinct mounting schemes that appear to work well:
@ -31,6 +33,8 @@ The piezo element is mounted somewhere on the 3D Printer in such a way that it u
- Zero offset (The nozzle itself is the sensor!) - Zero offset (The nozzle itself is the sensor!)
- Compatible with ALL surface types - Compatible with ALL surface types
- No plugging in removable sensors for leveling - No plugging in removable sensors for leveling
- 5v or 3.3v signal output
- Can be configured for active high *or* active low signal (endstop vs probe input)
- Tunable over UART / I2C - Tunable over UART / I2C
#### FFC Cable Chain Extra Features: #### FFC Cable Chain Extra Features: