All blank pads on the bottom have the little dimples from the pogo pins of the test/programming fixture. Note how there are separate pads for providing the test battery power to the PCB under test. No test pads for the charging coil, though.
=> More informations about this toot | View the thread | More toots from spbnick@bitbang.social
text/geminiThis content has been proxied by September (ba2dc).