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Forum Index : Microcontroller and PC projects : Scoppy supports Pico - W
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| PhenixRising Guru  Joined: 07/11/2023 Location: United KingdomPosts: 853 |
Now 2MS/s EasyEDA After witnessing Laurel & Hardy pulling perfectly good parts off a machine (after I proved they were good) and now making the machine even worse, I am thinking of incorporating this Scoppy as part of my machine-control kit. I already use a rugged Android tablet for a HMI and now it can be used to check such things as encoder signals, analogue motor commands, etc...via WiFi. When equipped with a 10 x probe, it's good for +/- 20V. Thanks to the Android tablet, I can include troubleshooting videos, etc. I visit so many places where the only instrument that is used by in-house engineers, seems to be the mobile phone to call for outside help. Not like the olden days  |
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stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 2109 |
interesting! |
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Mixtel90 Guru Joined: 05/10/2019 Location: United KingdomPosts: 6761 |
Interesting, but a pocket scope might give better results. . Edited 2024-10-25 07:23 by Mixtel90 Mick Zilog Inside! nascom.info for Nascom & Gemini Preliminary MMBasic docs & my PCB designs |
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| stanleyella Guru Joined: 25/06/2022 Location: United KingdomPosts: 2109 |
I bought one of these cheaper but now it don't work off in built li ion battery, needs usb charger lead. odd to use, x- y mode and current. avoid. it is glued together but is prize the front off not hard but don't mess with li ion batteries https://www.aliexpress.com/item/1005006559543324.html |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 853 |
I grabbed a DSO Nano V3 some years ago and regarded it a cool-to-have gadget but it goes everywhere with me. Rarely need it but when I do, there's no fiddle farting. The charge lasts forever:  But remote troubleshooting a machine requires a front-end that runs TeamViewer or similar which even the sluggish Android devices of 10 years ago can hande. Scoppy is a 2-channel scope + 8-channel LA. To fully monitor a quadrature encoder, requires 6 channels (3 signals with complements)....Perfect  A Scoppy, built-in to a control panel, next to my Picomites and my rugged Android HMI could provide remote diagnostics at a whole new level. |
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| Volhout Guru Joined: 05/03/2018 Location: NetherlandsPosts: 4213 |
Phenix, Just downloaded the uf2's and installed the app. When I get home I'll gram by Pico-W and start playing. I do see an application for remote sensing. I only hope the Pico-W can work as acces point. Don't want to integrate it into a home network, since that inviolates the purpose. Measuring "in the field". Volhout P.S. the trick they use to get to 2MSps on the ADC maybe something Peter can also add to MMBasic (or maybe the 1.3MSPS, since that seems independent of the other divider factors). Edited 2024-10-25 17:44 by Volhout PicomiteVGA PETSCII ROBOTS |
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| matherp Guru Joined: 11/12/2012 Location: United KingdomPosts: 9084 |
There is nothing difficult in increasing the ADC clock speed. HOWEVER, with a successive approximation DAC ADC this means is that you are decreasing the effective input impedance. Sampling take 96 clock cycles so with the default ADC clock speed of 48MHz this is why we get the 500KHz maximum sample rate. The Scoppy uses a opamp to buffer the incoming signal to get round the impedance issue but the PicoMite can't assume that so sticks to standard clocking |
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| PhenixRising Guru Joined: 07/11/2023 Location: United KingdomPosts: 853 |
Oh you're gonna beat me to it. Away from my Pico-W right now. In my case, I get the customer to go to the machine with his mobile phone and create a hotspot because I got tired of having to fight the paranoid "IT guys". |
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