Thank you for stopping by and commenting. That looks neat. However, Digi-Key is the only place to get it. There must be more accessible ones around. Thanks for watching!
@@mrgreensworkshop there is also the ISL32173, which is the faster version. Does need more current, but is widely available from Mouser, Farnell, and others.
Hello @mrgreensworkshop, first of all: Thank you very much for your effort. This will come in handy retrofitting my measurement microscope. I am relatively new to electronics, so i have a question regarding the DS8923. Can i swap it for the AM26C32 without changing anything else? If so, do i still need to reduce to 3,3 V or can i then change it to 5V? Also is there a PCB-Design available? If it isn't i will try to make one using KiCad (also new to me) and reach out to you. Greetings from Germany.
Very nice project and great execution. Those line driver sure do suck down a lot of power , I wonder how long they last in the real world without some active cooling! Thanks for showing me what the RP2040 can do! I had no idea it had such an advanced peripheral onboard!
Thank you for stopping by and commenting. Things like this make my day. Yeah, I couldn't throw them away. So I used it. RP2040 is really talented. I will be using them in different projects. Thanks for watching!
Thanks! I'm running TouchDRO on my mill with Yuri's original design hardware. I have another mill and two lathes I still want to add DROs to and this will help greatly!
I have been wanting to do this for some time. Thank you so much. Where did you find the replacement rubber shields? Mine will have 'traditional' LED read out, as it is what I am used to, and an LCD for the PDC type functions.
Hi, I can't tell you how much it makes me happy to see such a comment. Making this video was really worth the effort. I found it on AliExpress. Please search for "linear scale rubber".
Thanks very much for this Mr Green! A few days ago I got a couple of RP2040 Pico boards. Today I found this video from you. Good coincidence I think! *** Now I will look for cheap linear quadrature scales - will I be so lucky as you? Anyway, great video here, good thinking and making. Cheers. *** your vid was actually in my UA-cam suggestions - I've got a horrible feeling they know more about me than I could imagine?
Thank you for stopping by and commenting. Things like this make my day. Linear scale interfaces are classified into two types: incremental signal output and serial data interfaces. Incremental signal output can be analog (1 Vpp, etc.) or digital (TTL, HTL, RS422, etc.). Be careful about output types. If you can find a datasheet, please check. I'm happy that UA-cam helped you find it. :D Thanks for watching!
Hi, what we need to know is, scale's signal output type. If its output type is RS422 it's possible. But you also need to find linear scale pinout. I have already explained in another video. If output type is TTL you need to remove RS422 drivers and convert linear scale's 5V TTL logic to 3.3V logic to input Raspberry Pi Pico. If it's analog, it's not that easy. Either case, if you are not good with electronics, please ask someone who knows. As you know, linear scales are not cheap, you may damage them if you are not careful. Thanks for watching.
I don't know much about the TouchDRO. I think someone can answer your question in the forum below. www.hobby-machinist.com/forums/touchdro-the-diy-dro-project.542/
I'm using the latest version. (3.24.06) There is a button on the top right that looks like a screen. You can switch between views by tapping. (You can hide the graphical view) You may want to check the manual. www.touchdro.com/resources/dro-manual/graphical-view-display.html I hope this helps.
Hello, the optical ruler I have is also RS-422 and the IC on it is AM26C31, so I want to capture the A and B phases of the optical ruler with AM26C32, but I can't capture it. I can't output the pulse waveform that you made so beautifully.
@@mrgreensworkshop I am continuing the research of previous people who used NI-9411 to capture and display it in labview. It is currently confirmed that the oscilloscope of labview changes with the forward and backward movement of the X-axis. After checking the scale model, I found that the IC is AM26C31 and RS-422. , so connect according to the pin position of the optical ruler and the circuit diagram of the datasheet, and then check it with an oscilloscope. The result is not a pulse signal, but something like a sine wave. thx🙂
@@kj-ry3cm You need to supply voltage to a linear scale to get a signal. Sometimes you may find more than one output. RS422 and analog. Please find those which are connected to the AM26C32. If you are sure about line drivers(AM26C31) you should see a signal. If you are using an Oscilloscope, please use the math function to get the difference of A and B lines. Thus you should see clear output especially if you are tapping the RS422 side. Good luck.
Which RS422 driver can be used instead of DS8923?
AM26C32 would be a better choice. Or there may be better options.
The ISL32273 would be a good choice. Runs from 3 to 5.5V and uses only about 5mA or so.
Thank you for stopping by and commenting.
That looks neat. However, Digi-Key is the only place to get it. There must be more accessible ones around. Thanks for watching!
@@mrgreensworkshop there is also the ISL32173, which is the faster version. Does need more current, but is widely available from Mouser, Farnell, and others.
@@somedutchguy7582 I see, Thank you for the tips.
Hello @mrgreensworkshop, first of all: Thank you very much for your effort. This will come in handy retrofitting my measurement microscope. I am relatively new to electronics, so i have a question regarding the DS8923. Can i swap it for the AM26C32 without changing anything else? If so, do i still need to reduce to 3,3 V or can i then change it to 5V? Also is there a PCB-Design available? If it isn't i will try to make one using KiCad (also new to me) and reach out to you. Greetings from Germany.
Very nice project and great execution. Those line driver sure do suck down a lot of power , I wonder how long they last in the real world without some active cooling! Thanks for showing me what the RP2040 can do! I had no idea it had such an advanced peripheral onboard!
Thank you for stopping by and commenting. Things like this make my day. Yeah, I couldn't throw them away. So I used it. RP2040 is really talented. I will be using them in different projects. Thanks for watching!
Thanks! I'm running TouchDRO on my mill with Yuri's original design hardware. I have another mill and two lathes I still want to add DROs to and this will help greatly!
Thank you for stopping by and commenting. I'm glad to know that. Thanks for watching!
nice job, well done. you have my thumb and sub.
Hi, thank you so much.
I have been wanting to do this for some time. Thank you so much. Where did you find the replacement rubber shields?
Mine will have 'traditional' LED read out, as it is what I am used to, and an LCD for the PDC type functions.
Hi, I can't tell you how much it makes me happy to see such a comment. Making this video was really worth the effort. I found it on AliExpress. Please search for "linear scale rubber".
Thanks very much for this Mr Green! A few days ago I got a couple of RP2040 Pico boards. Today I found this video from you. Good coincidence I think! *** Now I will look for cheap linear quadrature scales - will I be so lucky as you? Anyway, great video here, good thinking and making. Cheers.
*** your vid was actually in my UA-cam suggestions - I've got a horrible feeling they know more about me than I could imagine?
Thank you for stopping by and commenting. Things like this make my day. Linear scale interfaces are classified into two types: incremental signal output and serial data interfaces. Incremental signal output can be analog (1 Vpp, etc.) or digital (TTL, HTL, RS422, etc.). Be careful about output types. If you can find a datasheet, please check.
I'm happy that UA-cam helped you find it. :D
Thanks for watching!
Could I use magnetic scales instead of glass scales without modifying your directions?
Hi, what we need to know is, scale's signal output type. If its output type is RS422 it's possible. But you also need to find linear scale pinout. I have already explained in another video. If output type is TTL you need to remove RS422 drivers and convert linear scale's 5V TTL logic to 3.3V logic to input Raspberry Pi Pico. If it's analog, it's not that easy. Either case, if you are not good with electronics, please ask someone who knows. As you know, linear scales are not cheap, you may damage them if you are not careful. Thanks for watching.
Nice work. Do you think i can use AS5600 magnetic encoder?
@@Yuuki1942 Hi, check the output voltage levels and encoder output. If it looks promising why not.
I have the last version of touchdro. How did you remove the circle or point graph viewer?
I don't know much about the TouchDRO.
I think someone can answer your question in the forum below.
www.hobby-machinist.com/forums/touchdro-the-diy-dro-project.542/
@@mrgreensworkshop what version are you using?
I'm using the latest version. (3.24.06)
There is a button on the top right that looks like a screen. You can switch between views by tapping. (You can hide the graphical view) You may want to check the manual.
www.touchdro.com/resources/dro-manual/graphical-view-display.html
I hope this helps.
Hello, the optical ruler I have is also RS-422 and the IC on it is AM26C31, so I want to capture the A and B phases of the optical ruler with AM26C32, but I can't capture it. I can't output the pulse waveform that you made so beautifully.
@@kj-ry3cm What did you try?
@@mrgreensworkshop I am continuing the research of previous people who used NI-9411 to capture and display it in labview. It is currently confirmed that the oscilloscope of labview changes with the forward and backward movement of the X-axis. After checking the scale model, I found that the IC is AM26C31 and RS-422. , so connect according to the pin position of the optical ruler and the circuit diagram of the datasheet, and then check it with an oscilloscope. The result is not a pulse signal, but something like a sine wave. thx🙂
@@kj-ry3cm You need to supply voltage to a linear scale to get a signal. Sometimes you may find more than one output. RS422 and analog. Please find those which are connected to the AM26C32. If you are sure about line drivers(AM26C31) you should see a signal. If you are using an Oscilloscope, please use the math function to get the difference of A and B lines. Thus you should see clear output especially if you are tapping the RS422 side. Good luck.
excellent
Thank you for stopping by and commenting. Thanks for watching!