Search found 597 matches
- Fri Oct 20, 2023 5:51 pm
- Forum: 3DP printing
- Topic: Hacking the HP45
- Replies: 757
- Views: 2943838
Re: Hacking the HP45
Don't worry, your order has been received. I will package and ship it tomorrow.
- Thu Oct 19, 2023 7:37 pm
- Forum: 3DP printing
- Topic: Hacking the HP45
- Replies: 757
- Views: 2943838
Re: Hacking the HP45
The old design board indeed required 2x a 2 layer board. This design has been replaced for quite a while though. The new design requires a basic 2 layer PCB to work. For JLC (or any other board house) no exotic settings are required. The only thing that is helpful is gold plating. Most cheap PCB's a...
- Wed Oct 18, 2023 4:58 pm
- Forum: 3DP printing
- Topic: Hacking the HP45
- Replies: 757
- Views: 2943838
Re: Hacking the HP45
There is a breakout board design in the make package on the Oasis page (https://hackaday.io/project/86954-oasis-3dp) (https://hackaday.io/project/86954/files). This is a KiCAD board design that you can use. It uses the HP45 connector to interface with the HP45 inkjet printhead (https://www.tindie.co...
- Wed Oct 11, 2023 5:22 pm
- Forum: 3DP printing
- Topic: Hacking the HP45
- Replies: 757
- Views: 2943838
Re: Hacking the HP45
Hello, The biggest difference between V3 and V4 is printing speed, due to the use of DMA. Ease of manufacture and self checking capabilities are a bonus on the V4. Printing quality is exactly the same, since the printing quality comes mostly from the HP45. I do not know of any other printheads that ...
- Sun Oct 08, 2023 9:24 am
- Forum: 3DP printing
- Topic: Hacking the HP45
- Replies: 757
- Views: 2943838
Re: Hacking the HP45
Hello, Sadly, there is not. It is a part of the reason why I stopped with the HP45 project. The controller in it's current form uses the DMA of the Teensy 3.5 and is pretty much hardcoded. The Teensy 4.1 has a completely different way of DMA, so this was too complicated for me to alter. It should be...
- Fri Jul 28, 2023 7:18 pm
- Forum: 3DP printing
- Topic: Hacking the HP45
- Replies: 757
- Views: 2943838
Re: Hacking the HP45
The best I can do is a manual for the C8855 driver, which I can send by mail. It has no software, and I don't think a wiring diagram of the C8855 itself, but it does explain how to roughly use the C8855.
- Thu May 04, 2023 6:30 pm
- Forum: 3DP printing
- Topic: Hacking the HP45
- Replies: 757
- Views: 2943838
Re: Hacking the HP45
I have heard hints of stuff like this happening before, but I have never seen it personally. My quess would be to measure resistance in the "wrong" direction, ie positive lead on ground, and negative leads on addresses and primitives. I have noticed that resistance is based on polarity. Ho...
- Sun Mar 19, 2023 8:02 am
- Forum: 3DP printing
- Topic: working on slicer in blender
- Replies: 22
- Views: 146433
Re: working on slicer in blender
I did look at PJRC, the maker of the Teensy and indeed they expect the 3.2 and 3.5 to never fully recover from these shortages. I do not plan to update the firmware. I have mostly stopped with the inkjet for the time being. The Teensy 4.0 and 4.1 can be made to work, but there are 2 ways. 1. Use the...
- Tue Mar 07, 2023 6:26 pm
- Forum: Plan B
- Topic: Nozzle stops spraying about 1/3 of the printing
- Replies: 7
- Views: 70580
Re: Nozzle stops spraying about 1/3 of the printing
At this point all I can offer is suggestions as to what you can try. I have never had these issues, and I don't have the hardware to try and reproduce. The thing I'd try is lowering the voltage. If you have a DC-DC converter, you can hook the boost demultiplexer to it (after removing a few of the co...
- Mon Feb 20, 2023 6:53 pm
- Forum: Plan B
- Topic: Nozzle stops spraying about 1/3 of the printing
- Replies: 7
- Views: 70580
Re: Nozzle stops spraying about 1/3 of the printing
Towards the end I had a Plan B running with an Arduino Due, but this was a really custom machine, which was difficult to be shared. It did print 3x faster though. In any case, we are trying to fix symptoms, not the issue. I never had a Plan B cut out half print (besides mechanical failure). Can you ...