Stamp-S3Bat HAT2 Bus
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I just ordered a new product this week, such as the Stamp-S3Bat. It's a great improvement, but I'm surprised how the 2 x 9 pins were solved, that is, how they were assigned. No standardization that would allow using other existing add-on modules or stacking them, similar to what is possible with the XIAO boards from Seeed Studio, which are based on 2 x 7 pins. The problem for stacking is the assigned pins for 5Vout, 5Vin, 3V3, BAT, GND and Wakeup.
So, it would be nice to have an adapter for this compatibility, something similar to what we have for the ATOM-HAT.
This new S3Bat-HAT adapter would allow connecting the HAT2 Bus from the side and from the bottom the 2 x 7 pins stackable headers compatible for Atom (4 + 5 pins) and also for standard like the XIAO boards (SX1262, GPS, LOG, etc.).I also expect to use the B2B connector for stacking, something similar to what XIAO has for SX1262 and Camera.
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In addition, the following screen snippet shows two possible suggestions how the 2x9@2.54mm pins can be assigned.
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