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    Yes, I got your order. Thank You. Will ship...

    Yes, I got your order. Thank You. Will ship tomorrow. Shipping times to Germany generally take 10-14 days.

    Yes, it is possible. You may need to make modifications to the board for spindle sync....
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    I would first verify that your side is working...

    I would first verify that your side is working correctly. Test loop-back where you connect your TX to your RX. Send something and see if you can receive it. I would do this both for the Teensy TX/RX...
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    I think the question is about a Teensy that is...

    I think the question is about a Teensy that is not powered from USB and thus has no source of +5V for the Host USB connector. You will need to provide external +5V for that. What is driving the...
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    While that doesn't look perfect to me, the...

    While that doesn't look perfect to me, the standards for what constitutes a misaligned component allows for a surprising amount of misalignment. Considerably more than the naked eye would be able to...
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    So the actual device is some distance...

    So the actual device is some distance (300-400mm??) from the ADC? I would definitely use shielded wires. If filtering (hw or sw) isn't enough to deal with the noise, I'd use an external ADC as close...
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    Your description is a bit confusing to me. ...

    Your description is a bit confusing to me.

    First, are you reading a quadrature encoder via an ADC? That's not how I would do it but each to their own. Got Datasheet?

    When you say "fluctuates...
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    Which is why I have been using I2C ADCs - you can...

    Which is why I have been using I2C ADCs - you can get a lot cleaner signal into (and out of) one of those. An ADC in a microcontroller is subject to a lot of compromises. I like it when the...
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    I got a couple of the M.2 connectors and they...

    I got a couple of the M.2 connectors and they look to be pretty tricky to hand solder. Lots of solder wick, for sure. I'd go for reflow. Definitely not for your average hobbyist. Costs a lot more...
  9. The UI is a little obscure. -...

    The UI is a little obscure.

    - Route/Differential Pair. Get as far as you can. hit escape
    - Finish using individual routing.
    - Route/Tune Track Length.
    - Click on which ever is the longest...
  10. 50mm is ok. Just length match them. Ideally,...

    50mm is ok. Just length match them. Ideally, you would run the T and R pairs next to each other as much as possible. Here is what I did on my most recent T4.1 board. Note, that is for a different...
  11. Hi, Ken, there really isn't much magic to the...

    Hi, Ken, there really isn't much magic to the traces. Since the goal is to have equal lengths, the Kit board traces won't help you very much. For the receive and transmit lines, I would use...
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    I have looked at sensing soil moisture to control...

    I have looked at sensing soil moisture to control irrigation off and on for 20+ years. I think it is a quixotic quest. Even if you could create a perfect sensor (inexpensive, long lasting, reliable,...
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    I have been spending some time with the RasPi...

    I have been spending some time with the RasPi Pico and one thing they did that I really like is a Schottky diode between VUSB and 5V outputs. While it does cause a diode drop on the power line, I...
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    I'm using the 6N137 on a Teensy's output. The...

    I'm using the 6N137 on a Teensy's output. The opto inverts the signal - when the internal LED lights, pin 6 goes to 0. You can fix this by connecting +V to pin 2 and the signal on pin 3 with an...
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    If you get a board built by JLCPCB, please write...

    If you get a board built by JLCPCB, please write back with a status report. I just populated the MagJacks myself. I'd like to know how them assembling it goes for you.
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    Actually, JLCPCB has a number of MagJacks that...

    Actually, JLCPCB has a number of MagJacks that can be made to work with the Teensy 4.1. But before that, a PSA.

    A MagJack is an RJ45 connector with the necessary magnetics to connect an Ethernet...
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    What are you trying to do with the teensy? Do...

    What are you trying to do with the teensy? Do you need Ethernet or Host USB? Probably the easiest breakout is a solderless breadboard.
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    I have been thinking about this idea in the...

    I have been thinking about this idea in the background since you posted it. I am wondering if a custom smart motor controller could reduce your I/O requirements. The idea is each "bob" has a...
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    Some details to be worked through. Assuming you...

    Some details to be worked through. Assuming you have a high side load, this is a decent tutorial. You definitely want Rb to limit your current through the teensy pin. I'd use 5 mA as the goal. The...
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    but ot can be fun. I blame it all on Monster...

    but ot can be fun. I blame it all on Monster with their "oxygen free copper" BS. I recall seeing some hype about it broadening the soundstage and reducing the noise floor. PT Barnum would recognize...
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    $1000? Try used for $6499.00 + $80 shipping. The...

    $1000? Try used for $6499.00 + $80 shipping. The "horsie" makes it better. And I don't think the date is related...

    But Audio products are often the domain of scam artists. The placebo effect is...
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    Yeah, that one corner is a bit tight. When I...

    Yeah, that one corner is a bit tight. When I designed the board, I used 4-40 screws to model against. They clear tight but ok. Other screws like M3s are a little bigger. I have since moved to M3...
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    I like the look of the KaRo compute modules....

    I like the look of the KaRo compute modules. Something similar based on the 1170 would be pretty interesting to me. The one issue that gives me pause is the exposed ground plane that prevents top...
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    Looks like it does not support the Ethernet and...

    Looks like it does not support the Ethernet and Host USB headers. That is a reasonably good price, though.
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    The ethernet header has 2mm spacing. Doesn't...

    The ethernet header has 2mm spacing. Doesn't change your points though.
  26. Tindie is a reasonable place to do it. I've been...

    Tindie is a reasonable place to do it. I've been using Tindie and have sold over 300 units so far in 8 months. It was a little bit of a nail biter when I ordered my first batch of 50 boards but they...
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    Yes, the SKR E3...

    Yes, the SKR E3 is the one that I was thinking of. I see them on Amazon, eBay and AliExpress. I don't know if they have been counterfeited yet but better to buy from a known supplier. The other...
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    Interesting project. Since you aren't going to...

    Interesting project.

    Since you aren't going to be able to control all 500 motors directly from a processor, you will need some sort of distributed control. I assume you've already figured that...
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    I don't quite understand the application here but...

    I don't quite understand the application here but do the relays have the same make and break times? If not, it is likely that when you go from, say, 0110000 to 0001000 there is a period of 0111000...
  30. By the way, the latest main repository version in...

    By the way, the latest main repository version in conjunction with ioSender has a new grbl settings report. It is far superior to the old bit-field approach and organizes the settings by area rather...
  31. Hi, sorry I missed this earlier. bCNC on a RPi...

    Hi, sorry I missed this earlier. bCNC on a RPi works well with grblHAL though you should have the latest bCNC version as there have been some fixes along the way. I've tested on a RPi3 and RPi4.
    ...
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    For a controller, you might want to look at the...

    For a controller, you might want to look at the Big Tree Tech LPC board. Marlin 32 support. They occasionally have some quality issues but are not expensive.
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    It is a huge departure for PJRC (from BB friendly...

    It is a huge departure for PJRC (from BB friendly boards) and doesn't really bring out new features. Is there a cost advantage? Given that you need a base board and based on Sparkfun prices, the...
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    I got my RP2020 MMod boards yesterday. Haven't...

    I got my RP2020 MMod boards yesterday. Haven't done anything with them yet, though.
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    Shaken, not stirred.

    Shaken, not stirred.
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    Gawd no! You did nothing wrong and I'm sure Paul...

    Gawd no! You did nothing wrong and I'm sure Paul and Robin knew about it anyway.
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    Somebody broke embargo! Interesting. Is that an...

    Somebody broke embargo! Interesting. Is that an ethernet Phy I spy? (on second thought, probably not)
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    The Teensy format (AKA Stamp) excels for...

    The Teensy format (AKA Stamp) excels for breadboarding use. This is one reason why Teensys have been so popular. (Though, by far not the only reason)

    I've looked at micromod and concluded it buys...
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    As I understand it, any of the TMC drivers that...

    As I understand it, any of the TMC drivers that can run on 3.3V or 5V are affected by it. PFET is not a bad idea at all. I've been through a lot of TMC driver datasheets (2208, 2209, 2130, 5160)...
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    You know about Teensyduino? Except for MCU...

    You know about Teensyduino? Except for MCU peripherals, it should mostly be a recompile.
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    Yeah, feces occurs. I blew another T4.1 the...

    Yeah, feces occurs. I blew another T4.1 the other day because I soldered in the wrong MagJack on the base board and it literally blew the top off of the Phy chip.
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    To be honest, I don't quite get what you are...

    To be honest, I don't quite get what you are trying to do. Based on grblHAL, the teensy 4.1 is capable of handling at least 5 stepper (step/dir/enable) outputs at once using hardware PWM. 600 kHz...
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    Need 8 ports? pretty uncommon. But need 12-16...

    Need 8 ports? pretty uncommon. But need 12-16 more GPIO pins? Way more likely. And LCD pins? Hell yes. I'd love to see a Teensy 4.0 format with 2 rows of pins on either side. Put the less needed...
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    Your servo error outputs will need to be open...

    Your servo error outputs will need to be open collector. Most of the error outputs I have seen are OC and pull the signal low on an error. If you want to wire OR them, you will need to set the EStop...
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    I look forward to seeing the results of your...

    I look forward to seeing the results of your efforts.

    A number of my customers using servos bring the error signal into EStop. There is a movement to bring out another input signal -...
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    The I/O on the current board (V 2.09) is pretty...

    The I/O on the current board (V 2.09) is pretty much the same as earlier versions. I will put up a schematic of it on github. [edit: here ]

    Yes, you can use either USB or Ethernet to communicate...
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    A couple of things spring to mind. What is your...

    A couple of things spring to mind. What is your ADC sample rate? That will define your observed "best case rise time". [edit: the adafruit ADC max speed is 860 samples per second so you will never...
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    Moderator Appreciation

    I have been around the internet, even before it was the internet and seen all sorts of forums come and go. One thing that always stands out is the difference between good moderators and bad ones. In...
  49. If you use light "tunnels" on both emitter and...

    If you use light "tunnels" on both emitter and receiver you can eliminate extraneous radiation (i.e. light and IR). The two tunnels have to be aligned. I have used drinking straws and epoxy.
  50. Why not use IR beam break? And you could use a...

    Why not use IR beam break? And you could use a remote control IR receiver as a way to reject external/extraneous IR. Shield the beam from the crow's sight.

    Another approach, create a small...
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