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I'm looking for a DM13A 16-bit Constant Current LED Driver

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Does exist in some where?
Thank You.


I'm looking for a DM13A 16-bit Constant Current LED Driver

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Doesn’t look like anyone has made one yet. Depending on what you want to do a 24 pin generic IC would do the trick if you are interested in the DIP pcb footprint. If you want one of the SMD footprints you would probably need a custom part or at least an svg of the desired footprint. To use a generic IC, drag one from core parts in to the sketch and then in Inspector (the lower right window) change the number of pins to 24 (width should default to .3in if not, set that too.) You can then click on the labels and edit the text to match the datasheet labels. There may be appropriate SMD footprints selectable in Inspector as well (although checking the output footprint before ordering boards would be wise.)

Peter

IC Component CReation

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I did a bit of playing with this. Swapping a few traces between top and bottom layers, and minor route changes got rid of several more vias. Without repositioning any of the parts.

Moving parts around a bit could clean the routing up more, but I know nothing of the physical constraints you are working with for the headers and LEDs.

I ended up deleting a bunch of redundant bend points as well.


Untitled Sketch 2.fzz New-thin-traces.fzz (57.1 KB)

Looking for TTGO T-DISPLAY ESP32

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New here and any help appreciated.

Looking for this part https://github.com/Xinyuan-LilyGO/TTGO-T-Display

I wish I could find a drawing but, no. I can design the circuit without it on a breadboard, it’s 24 pins standard spaced I guess. Will this software allow any old part on the breadboard that has the same pin configuration?

I'm looking for some help on how to connect a button or toggle switch

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Hi

I’m new to using Arduino my Arduino is an Arduino R3 I want to wire a push Button or a spring loaded center off toggle switch to a breadboard kit i had purchase i want to move a servo horn from position A to position B and back to position A when the button or toggle switch is activated looking for some help with this thanks in advance.

I'm looking for some help on how to connect a button or toggle switch

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A google search for “arduino move a servo by push button toggle” turns up a variety of tutorials. Here we can help you wire the push button to a breadboard using Fritizng, but for software the Arduino forums (and/or google) are likely a better bet.

Peter

Looking for TTGO T-DISPLAY ESP32

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Welcome aboard. I don’t see such a part around and it appears different than the node mcu parts I have handy (making a clone of something existing more difficult.) The drawing is available here although the horizontal spacing of the pins is missing from the drawings:

http://www.lilygo.cn/prod_view.aspx?TypeId=50033&Id=1251&FId=t3:50033:3

as well the 8 pins at the top of the board are undocumented as far as I can see. If you only want the two 19 pin side bars and the horizontal spacing is .9in (I have seen esp32s with .9in, 1in, and 1.1in horizontal spacing) and don’t want a pcb, then a generic IC from core parts should do. It will appear in breadboard as IC by default with 8 pins and .3in spacing. However in Inspector (the lower right window) you can change number of pins to 38 and horizontal spacing to .9 which would give you a part, maybe even suitable for pcb use if you don’t need the top 8 pins. You can then edit the pin labels to label them according to the pin out in the above web page. PCB view will have IC holes (0.030 or 0.035in) rather than .1 header holes (0.038in), but given the part that is easy to change (at least for me, perhaps less so for you.) The alternative is a custom part which is fairly difficult to learn to make. If I had something close and more information than appears on the their web page I could make such a part, but I so far haven’t found a node CPU type part with 19 pins on a side (and as noted don’t know the horizontal spacing of the pins.) If you have a board and know the horizontal spacing I’ll consider hacking something I have that sort of matches up.

Peter

I'm looking for some help on how to connect a button or toggle switch

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Your statement makes no sense to me, this is the reason why i signed up with this forum is to know how to wire it up why don’t you post a picture showing how to wire it up?


I'm looking for some help on how to connect a button or toggle switch

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OK, here is a Fritzing sketch of an Arduino a servo and a switch. Which is all that Fritzing will do for you (and which you could do for yourself.) To make it work you now need to write and load the software that will do what you want which is where the Arduino forum and/or google search come in.

pb-servo.fzz (7.6 KB)

Download the .fzz file, use File->open pb-servo.fzz to open it and you have your picture (which will do nothing until you load software to do the task in to the Arduino, for which you likely need the Arduino forums.) If you dislike the input selections use Fritzing to change the I/O pins. All the parts are in core parts.

Peter

LEGO Powered up parts

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Hello,
i am looking for LEGO specific parts:
We Do
Powered up

like Hubs and Motors

Thanks in advance

LEGO Powered up parts

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Welcome aboard. To my surprise a google search for “fritzing part lego powered up motor” actually got at least one useful hit. In

https://fritzing.org/projects/lego-tank-with-power-functions-motors

if you donwload the tank.fzz (Fritzing Sketch) file for the project and load it in to Fritzing in the temp parts bin you will find Fritzing parts for two motors and a power device of some kind. You can either move them to your mine parts bin or right click and export part to save a .fzpz file of the part to disk. If you need more things, if you post a pointer to the data sheet of the part you want I will have a look at how easy or possible, (some things don’t have enough information available to make Fritzing parts) it would be to make a part. If those parts aren’t working they can be repaired (because the source code is in the part file) if you post the problem and preferably the .fzpz file for the broken part here. along with an explanation of is wrong.

Peter

LEGO Powered up parts

LEGO Powered up parts

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The main thing I don’t see on that site (although they must know it, so perhaps I’m just not seeing it) is what the various pins are for. For a Fritzing part we need to know what the wires on the connector do to know what to connect it to. We also need the dimensions of the part to make a breadboard image for it. A quick glance at the parts in the tank.fzz file indicates the motors have power, two control signals or motor connections (as they appear to be connected to a motor driver in the sketch, in which case I don’t understand the purpose of the 9V and ground pins.) plus two possibly unconnected pins (since they don’t appear to have connections.) This is the kind of information needed to make parts. I’ve made Lego like motor parts, see for instance

which uses the Yahboom Lego compatible motors and a Super:bit driver board for the Micro:bit (and which are a lot cheaper than the Lego prices I saw :slight_smile: ) The motors available in the tank.fzz should do for most of the motors (to Fritzing a motor is a motor most of the time.) Are there other things that you want parts for?

Peter

DC-DC 5V-5V Isolated Module B0505S-1W

DC-DC 5V-5V Isolated Module B0505S-1W

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I thought I had already done this, but I can’t find it (I have some of these) so I made a part.

B0505S.fzpz (4.5 KB)

If you need split supplies for an opamp on the isolated side there are Fritzing parts for a bunch of the single supply to split supply dc dc converters available on Ebay posted to the forum a year or two ago (I can dig up the part names if needed and/or the fzpz files.) I think they will run down to 5V input (with low current ±12V, or ±15V output.)

Peter


LEGO Powered up parts

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Hello Peter, meaning of pins are described here:
https://www.philohome.com/wedo2reverse/connect.htm

Nevertheless, you are right : As a simple schema i have found all what i wan’t if i have time i will creta emissing styles of parts as a friting training by myself.
I Have also found an Motor symbol with 6 wires simulating encoder / sensor conector.

0.9.4 received without an Windows installer!

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I’m not opposed to participating in development costs, but I find it wrong to get only a pale copy of directory instead of a real msi!
I hope that this gap will be quickly resolved …
Luc

How to create a ring

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Hi, I wish to create a ring like on a potentiometer wafer, only, I want this ring to be segmented like a pizza. help?

LEGO Powered up parts

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Yes I found that later. However that doesn’t describe the connector on the motors in the tank sketch, either those parts are incorrect or there is another (perhaps older?) standard that isn’t in the document. The pins in the Fritzing parts for power and control don’t match the pin listing for the connector. If you need help with parts creation (which s fairly complex) feel free to ask. We don’t mind at all helping people make new parts.

Peter

0.9.4 received without an Windows installer!

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Your best bet would be to file an enhancement request on github. I don’t remember a request for a Windows installer anywhere (and there are enough bugs that need fixing that I doubt it is currently a priority.) Of course a pull request that added an installer would be even better. Enhancement requests can be filed here (as should bug reports):

Peter

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