Previous image Up to current index page (1) Next image Top view of the mounting tape and crystal with translucent electrical tape on it. Here is the Arduino Pro Mini board (5V/16MHz) stuck on top of the mounting tape. It has deliberately been placed off to one side, so as not to overly obstruct the wiring points for the ethernet module underneath at top right. Now stick more mounting tape to the flat side of the DC-to-DC buck converter, which one should already have adjusted for 5.8V output. If not, it may fry the Arduino board later when first powered-on. Stick the DC-to-DC buck converter on top of the Arduino, being careful not to obstruct any of the signal holes, and also avoiding the (red) reset switch area. This is what it looks like once all stacked together with 3M mounting tape. Solder the small "mode switch" to this side of the RJ45 jack. This step could be done even earlier if desired. Use flux, and try not to overheat it to the point where the switch innards melt! I run my soldering iron at 330C for most things.
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Now stick more mounting tape to the flat side of the DC-to-DC buck converter, which one should already have adjusted for 5.8V output. If not, it may fry the Arduino board later when first powered-on.
Now stick more mounting tape to the flat side of the DC-to-DC buck converter, which one should already have adjusted for 5.8V output. If not, it may fry the Arduino board later when first powered-on. (z040102138)
z040102138 (9/31): OnePlus-LE2125 ISO125 1/120 f2.2 3.5mm 2022-02-04 10:21
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