main parts from left to right
RTC, liPo charge/boost board, Arduino Nano and the adjustable buck converter set to 5V
underneath is the bit of foam-board I'm going to be using, was going to mount it all on the battery but there is a change the buck converter might get a bit warm so thought I would play it safe and mount it all on a board.
next, the battery and SD card, nothing special here really
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