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docs: Add a FAQ item for "Do I have to use OctoPrint?" 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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Kevin O'Connor 2019-01-21 11:57:44 -05:00
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docs/FAQ.md
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@ -9,17 +9,18 @@ Frequently asked questions
6. [How do I change the serial baud rate?](#how-do-i-change-the-serial-baud-rate) 6. [How do I change the serial baud rate?](#how-do-i-change-the-serial-baud-rate)
7. [Can I run Klipper on something other than a Raspberry Pi 3?](#can-i-run-klipper-on-something-other-than-a-raspberry-pi-3) 7. [Can I run Klipper on something other than a Raspberry Pi 3?](#can-i-run-klipper-on-something-other-than-a-raspberry-pi-3)
8. [Can I run multiple instances of Klipper on the same host machine?](#can-i-run-multiple-instances-of-klipper-on-the-same-host-machine) 8. [Can I run multiple instances of Klipper on the same host machine?](#can-i-run-multiple-instances-of-klipper-on-the-same-host-machine)
9. [Why can't I move the stepper before homing the printer?](#why-cant-i-move-the-stepper-before-homing-the-printer) 9. [Do I have to use OctoPrint?](#do-i-have-to-use-octoprint)
10. [Why is the Z position_endstop set to 0.5 in the default configs?](#why-is-the-z-position_endstop-set-to-05-in-the-default-configs) 10. [Why can't I move the stepper before homing the printer?](#why-cant-i-move-the-stepper-before-homing-the-printer)
11. [I converted my config from Marlin and the X/Y axes work fine, but I just get a screeching noise when homing the Z axis](#i-converted-my-config-from-marlin-and-the-xy-axes-work-fine-but-i-just-get-a-screeching-noise-when-homing-the-z-axis) 12. [Why is the Z position_endstop set to 0.5 in the default configs?](#why-is-the-z-position_endstop-set-to-05-in-the-default-configs)
12. [My TMC motor driver turns off in the middle of a print](#my-tmc-motor-driver-turns-off-in-the-middle-of-a-print) 12. [I converted my config from Marlin and the X/Y axes work fine, but I just get a screeching noise when homing the Z axis](#i-converted-my-config-from-marlin-and-the-xy-axes-work-fine-but-i-just-get-a-screeching-noise-when-homing-the-z-axis)
13. [I keep getting random "Lost communication with MCU" errors](#i-keep-getting-random-lost-communication-with-mcu-errors) 13. [My TMC motor driver turns off in the middle of a print](#my-tmc-motor-driver-turns-off-in-the-middle-of-a-print)
14. [My Raspberry Pi keeps rebooting during prints](#my-raspberry-pi-keeps-rebooting-during-prints) 14. [I keep getting random "Lost communication with MCU" errors](#i-keep-getting-random-lost-communication-with-mcu-errors)
15. [When I set "restart_method=command" my AVR device just hangs on a restart](#when-i-set-restart_methodcommand-my-avr-device-just-hangs-on-a-restart) 15. [My Raspberry Pi keeps rebooting during prints](#my-raspberry-pi-keeps-rebooting-during-prints)
16. [Will the heaters be left on if the Raspberry Pi crashes?](#will-the-heaters-be-left-on-if-the-raspberry-pi-crashes) 16. [When I set "restart_method=command" my AVR device just hangs on a restart](#when-i-set-restart_methodcommand-my-avr-device-just-hangs-on-a-restart)
17. [How do I convert a Marlin pin number to a Klipper pin name?](#how-do-i-convert-a-marlin-pin-number-to-a-klipper-pin-name) 17. [Will the heaters be left on if the Raspberry Pi crashes?](#will-the-heaters-be-left-on-if-the-raspberry-pi-crashes)
18. [How do I cancel an M109/M190 "wait for temperature" request?](#how-do-i-cancel-an-m109m190-wait-for-temperature-request) 18. [How do I convert a Marlin pin number to a Klipper pin name?](#how-do-i-convert-a-marlin-pin-number-to-a-klipper-pin-name)
19. [How do I upgrade to the latest software?](#how-do-i-upgrade-to-the-latest-software) 19. [How do I cancel an M109/M190 "wait for temperature" request?](#how-do-i-cancel-an-m109m190-wait-for-temperature-request)
20. [How do I upgrade to the latest software?](#how-do-i-upgrade-to-the-latest-software)
### How can I donate to the project? ### How can I donate to the project?
@ -166,6 +167,17 @@ start, stop, and installation scripts (if any). The
[klipper-start.sh](../scripts/klipper-start.sh) script may be useful [klipper-start.sh](../scripts/klipper-start.sh) script may be useful
as examples. as examples.
### Do I have to use OctoPrint?
The Klipper software is not dependent on OctoPrint. It is possible to
use alternative software to send commands to Klipper, but doing so
requires Linux admin knowledge.
Klipper creates a "virtual serial port" via the "/tmp/printer" file,
and it emulates a classic 3d-printer serial interface via that file.
In general, alternative software may work with Klipper as long as it
can be configured to use "/tmp/printer" for the printer serial port.
### Why can't I move the stepper before homing the printer? ### Why can't I move the stepper before homing the printer?
The code does this to reduce the chance of accidentally commanding the The code does this to reduce the chance of accidentally commanding the