Thank you for drawing these assembly shortcomings to our attention. Please advise the Duet serial number - sticker on MCU - so we can identify the board and raise these issues with the assemblers at once. We would then like to replace your board with a new one and return it to the factory as detailed evidence of unacceptable practices. Please email info@duet3d.com so we can set this up.
Best posts made by Roland
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RE: PCBA Quality Issues
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RE: Current Sense Resistors on the Duet
At the moment we are using RL1632S-R051-F but with current shortages of passives you may need to search for others with the same specification - 0R051 1206 1% >=500mW.
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RE: Duet WiFi with external antenna
This is possible - we can get a batch of Duets assembled at the factory with the ESP07S module instead of the ESP12S, so no reworking will be required and the full warranty will apply. Please email me at think3dprint3d (at) gmail (dot) com so that we can discuss quantities, timing, etc.
Regards
Roland