@filip.ayazi I have been experiencing issues with I2C communication and opened an issue
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Thank you, I replied to the issue there.
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Based on several expressions of interest, a bag of bits for OFMv7 is now available for sale from taulab.eu directly or for EU with VAT included via Lectronz. This contains all the mechanical bits (screws, nuts, washers, o-rings, oil, hex key) needed to assemble the microscope.
Unfortunately, I can no longer ship any products from within the EU, so EU orders will have to go through customs and pay VAT. To simplify this, I added all products to my Lectronz store, which can handle EU VAT collection directly to avoid customs delays and complications for orders below 150EUR going to the EU. Other orders should still preferably go directly through taulab.eu as Lectronz charges a higher fee.
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Another update on the store:
To give me more flexibility with the products and to avoid the split between EU/non-EU stores, I am switching the shop to a different platform (prestashop). This will cause a temporary outage as the DNS switches over to the new location (should last <24hours), and possibly some teething problems with the new platform. If you notice any issues please let me know (email is on the website, or via this forum).
Edit: The new store is live now!
As part of my build I am using a Pi 3B+ and so used this electronics drawer:
electronics_drawer-pi3_sanga_stack_11mm.stl
Now this exposes power sockets for both the Pi and the Sangaboard.
In the discussion earlier in this thread it was noted:
Scenario 2: The power supply is plugged into the Pi.
A high current flows through the Pi power circuit to the GPIO pins. This is not designed as a high current path on the board and is fairly likely to damage the Pi.
It also caused me confusion initially wondering whether I should be powering both.
Which raises the question as to whether in the above stl the Pi’s power socket should be blanked off?
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The Pi power port should be blocked on that STL. Thank you for pointing it out.
The Sangaboard delivers power to both the motors and to the Pi. This is particularly useful for the Pi 3, because the micro USB connector as used on the Pi 3 has quite a large voltage drop at high current and struggles to power the Pi. With the better connection offered by the USB-C connector on Sangaboard v0.5 the power is much more stable for the Pi 3.
If you are on Gitlab, it would be really helpful if you can note this in the Issues.
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If you are on Gitlab, it would be really helpful if you can note this in the Issues.
I have added it as a new Issue. I’m new to Gitlab so apologies if I’ve trampled over any conventions there.
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Thank you, that is great.