fd0e81b0c7
A speaker needs a AC or a pulsed DC to make a sound, a buzzer only needs a DC. A buzzer has it's own resonator. It works in most cases to feed the buzzer with a pulsed DC, but the sound will not be as loud as with pure DC. There seem to be boards where the BEEPER-pin is not able to handle a PWM. Obviously intended for a buzzer. To make these board able to handle a speaker * replace the PWM based tone()-function again with a on-delay-off-delay loop. Hopefully the last time I touch the beeper code. |
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README.md |
Marlin 3D Printer Firmware
Documentation has moved to marlinfirmware.org.
Development Branch
Not for production use – use with caution!
The Development branch contains the most up-to-date Marlin code. When reporting any issues, please check to see if they are resolved in this branch first. But let us know if issues exist in tagged releases so that we can document and patch them.
There is now also an "Integration" branch which will be used in development to migrate changes for wider testing from the Development branch on their way to Release. It's a nascent branch, so for now please rely on Development and Release for issues and features under most active discussion.
For the latest tagged version of Marlin (currently 1.0.2 – January 2015) you should switch to the Release branch.
Current Status: Bug Fixing
Marlin development is being accelerated to catch up with a long list of issues. Check the Issues and Pull Requests links on the right to to see what we are currently working on.
RepRap.org Wiki Page
Contact
Google Hangout: . Hangout We have a hangout every 2 weeks. Search the issue list for "Hangout" and you will see what time and date the next event is going on.
Credits
The current Marlin dev team consists of:
- Scott Lahteine [@thinkyhead] - English
- Andreas Hardtung [@AnHardt]
- [@Wurstnase]
- [@fmalpartida] - English, Spanish
- [@CONSULitAS]
- [@maverikou]
- Chris Palmer [@nophead]
- [@paclema]
- [@epatel]
- Erik van der Zalm [@ErikZalm]
- David Braam [@daid]
- Bernhard Kubicek [@bkubicek]
More features have been added by:
- Alberto Cotronei [@MagoKimbra]
- Lampmaker,
- Bradley Feldman,
- and others...
License
Marlin is published under the GPL license because We believe in open development. Do not use this code in products (3D printers, CNC etc) that are closed source or are crippled by a patent.