Schematic Diagram shows SJ1 as open

[neilh10]

A slight schematic error for SJ1

On 0.5b Schematic SJ1 is show as open for both A7 and D10.
Under the heading "Solder jumper information" it doesn't indicate its PCB default is SJ1-A7
https://github.com/EnviroDIY/EnviroDIY_Mayfly_Logger/blob/master/hardware/mayfly_v0p5b_schematic.png

On the PCB's I have has SJ1 has a cu connection to A7
Elsewhere, the documentation does describe as SJ1-A7 to enable the RTC interrupt to be processed.

The schematic does show cu connections for SJ3, SJ4, , SJ8, SJ9,SJ11, SJ13,