Do you plan on publishing the software (on GitHub for example)? On Mar 8, 2023, at 5:36 PM, jörg <post...@gmail.com> wrote:
The tube is a RFT B7 S4-01 It‘s from an EO174A Oscilloscope. Nice green and pretty good to focus and linearity to the edges. The tube and first version of PCB could be viewed at https://m.youtube.com/watch?v=zTyXJE2faXw
I do not plan a kit or selling like david forbes do.
First of all, it is initially his design and software. Second, I do not have the will and time to go through all the regulations EU/Germany has for selling such electronics. I could share the PCB if I order the next batch, but it is not finished, yet. I plan to add ESP32 for NTP and web config.
On Sunday, March 5, 2023 at 8:02:28 PM UTC+1 Nicholas Stock wrote:
Definitely not off-topic! I think everyone on this forum appreciates that post, well done. I really like the starfield effect. What tube were you using? Looks like it has very good linearity across the whole screen....
Cheers,
Nick
Hi !Really interesting and great work. Looks really good and its a „want to have“. Would be interested in pcb and code too , if possible a kit too. Thank you.
Michail Wilson schrieb am Samstag, 4. März 2023 um 15:11:01 UTC+1:
I am very interested as well.
Would love to have the code and pcb design and even a kit.
I read through the posts, but didn’t see anything other than the video. Thumbs up on it too.
😊
Michail Wilson
206-920-6312
yes, I will share the code. I have moved it to the VS Code IDE with PlatformIO. I do not like the Arduino IDE much. It should run on david's hardware, too.
Do yo you have build the hardware already?
On Friday, March 3, 2023 at 5:12:46 AM UTC+1 David Forbes wrote:
I was able to change to a Teensy 4.1 with a 2 channel 12 bit SPI DAC in my latest version. I had to reduce the DAC rate by half. It looks just as good as the old version. Of course, the DAC I chise is already unobtanium.
Hi, maybe a bit offtopic.
I've put some effort in using the teensy4.x to run the scope clock based on david forbes one.
The teensy3.6 based one is running on my own hardware for a while.
But because of CPU shortage and the use of the teensy3.6 internal DAC's, I was curious to get the stuff up and running on the faster teensy 4.x CPU.
In this approach I'm using a parallel driven 12 bit 4 channels DAC. The usage of a serial DAC was too slow and I did not get DMA up and running on teensy4.x.
Anyway, this works and I like it.
Video: https://youtu.be/HYwgyYnQUxw
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