+C 78000 48900 1 0 0 conn-8.sym
+{
+T 78355 51995 5 10 1 1 0 0 1
+refdes=J9
+T 77900 48700 5 10 1 1 0 0 1
+value=Companion
+T 78000 48900 5 10 0 0 0 0 1
+loadstatus=noload
+T 78000 48900 5 10 0 0 0 0 1
+footprint=0-338068-8
+T 78000 48900 5 10 0 1 0 0 1
+device=CONNECTOR
+}
+C 58300 43000 1 180 1 led2.sym
+{
+T 58150 42400 5 10 1 1 180 6 1
+refdes=D1
+T 58200 42400 5 10 0 0 180 6 1
+device=LED
+T 58250 43000 5 10 0 1 180 6 1
+footprint=0605
+T 58300 43000 5 10 0 0 0 0 1
+value=dualLED
+}
+C 57900 43100 1 90 0 resistor.sym
+{
+T 57500 43400 5 10 0 0 90 0 1
+device=RESISTOR
+T 58300 43800 5 10 1 1 180 0 1
+refdes=R50
+T 58200 43500 5 10 1 1 180 0 1
+value=1k
+T 57900 43100 5 10 0 0 90 0 1
+footprint=0402
+}
+C 59100 41600 1 90 0 resistor.sym
+{
+T 58700 41900 5 10 0 0 90 0 1
+device=RESISTOR
+T 59500 42300 5 10 1 1 180 0 1
+refdes=R51
+T 59400 42000 5 10 1 1 180 0 1
+value=1k
+T 59100 41600 5 10 0 0 90 0 1
+footprint=0402
+}
+C 62500 47200 1 180 0 resistor.sym
+{
+T 62200 46800 5 10 0 0 180 0 1
+device=RESISTOR
+T 62100 47300 5 10 1 1 0 0 1
+refdes=R52
+T 61700 47300 5 10 1 1 0 0 1
+value=1k
+T 62500 47200 5 10 0 0 180 0 1
+footprint=0402
+}
+C 62500 46800 1 180 0 resistor.sym
+{
+T 62200 46400 5 10 0 0 180 0 1
+device=RESISTOR
+T 62100 46300 5 10 1 1 0 0 1
+refdes=R53
+T 61700 46300 5 10 1 1 0 0 1
+value=1k
+T 62500 46800 5 10 0 0 180 0 1
+footprint=0402
+}
+N 58100 43200 59400 43200 4
+N 59000 43200 59000 42900 4
+N 59000 42900 58700 42900 4
+N 58100 43200 58100 42500 4
+N 58300 42900 57800 42900 4
+N 57800 42900 57800 43100 4
+N 59000 42500 58700 42500 4
+N 58300 42500 58100 42500 4
+C 63200 46400 1 0 1 gnd.sym
+N 61600 47100 59600 47100 4
+{
+T 60900 47400 5 10 1 1 180 0 1
+netname=led_red
+}
+N 61600 46700 59600 46700 4
+{
+T 60900 46950 5 10 1 1 180 0 1
+netname=led_green
+}
+N 62900 47100 63100 47100 4
+N 62900 46700 63100 46700 4
+C 62500 47200 1 180 1 led2.sym
+{
+T 62650 47400 5 10 1 1 180 6 1
+refdes=D2
+T 62400 46600 5 10 0 0 180 6 1
+device=LED
+T 62450 47200 5 10 0 1 180 6 1
+footprint=0605
+T 62500 47200 5 10 0 0 0 0 1
+value=dualLED
+}
+N 73900 50900 74800 50900 4
+{
+T 74200 51000 5 10 1 1 0 0 1
+netname=reset_n
+}
+N 63100 46700 63100 47100 4
+C 51700 43400 1 0 0 resistor.sym
+{
+T 52000 43800 5 10 0 0 0 0 1
+device=RESISTOR
+T 51900 43700 5 10 1 1 0 0 1
+refdes=R13
+T 51900 43200 5 10 1 1 0 0 1
+value=100k
+T 51700 43400 5 10 0 0 0 0 1
+footprint=0402
+}
+T -30400 -57400 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -30400 -57400 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -30400 -57400 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -30400 -57400 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -80000 -109400 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -80000 -109400 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -80000 -109400 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -80000 -109400 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -71200 -97500 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -120500 -148600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -120500 -148600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -120500 -148600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -120500 -148600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -96200 -124600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -96200 -124600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -96200 -124600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -96200 -124600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -55100 -54600 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -104400 -105700 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -104400 -105700 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -104400 -105700 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -104400 -105700 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+C 48000 48900 1 0 0 3.3V-plus.sym
+C 48400 48000 1 90 0 capacitor.sym
+{
+T 47700 48200 5 10 0 0 90 0 1
+device=CAPACITOR
+T 48000 48800 5 10 1 1 180 0 1
+refdes=C10
+T 47500 48200 5 10 0 0 90 0 1
+symversion=0.1
+T 47600 48100 5 10 1 1 0 0 1
+value=0.1uF
+T 48400 48000 5 10 0 0 0 0 1
+footprint=0402
+}
+T -28200 -66400 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -28200 -66400 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -28200 -66400 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -28200 -66400 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+C 48600 47100 1 0 0 MS5607.sym
+{
+T 49895 49295 5 10 0 1 0 0 1
+device=IC
+T 48895 49295 5 10 1 1 0 0 1
+refdes=U4
+T 48595 43895 5 10 0 1 0 0 1
+footprint=MS5607
+T 49900 49300 5 10 1 1 0 0 1
+value=MS5607
+}
+N 48600 48900 48200 48900 4
+N 48600 48100 48600 47300 4
+N 48200 48000 48200 47300 4
+N 48200 47300 48600 47300 4
+C 48100 47000 1 0 0 gnd.sym
+N 51800 47300 50900 47300 4
+{
+T 51100 47400 5 10 1 1 0 0 1
+netname=ba_miso1
+}
+N 51800 47700 50900 47700 4
+{
+T 51100 47800 5 10 1 1 0 0 1
+netname=ba_mosi1
+}
+N 51800 48100 50900 48100 4
+{
+T 51200 48200 5 10 1 1 0 0 1
+netname=ba_sck1
+}
+N 51800 48500 50900 48500 4
+{
+T 51200 48600 5 10 1 1 0 0 1
+netname=cs_pres
+}
+N 50900 48900 51000 48900 4
+N 51000 48900 51000 48500 4
+C 74600 66200 1 0 0 UBLOX-MAX.sym
+{
+T 74995 71495 5 10 1 1 0 0 1
+refdes=U10
+T 76095 70795 5 10 0 1 0 0 1
+device=IC
+T 74600 66200 5 10 0 1 0 0 1
+footprint=UBLOX-MAX
+T 77600 71500 5 10 1 1 0 0 1
+value=MAX-8Q
+}
+N 76600 66000 76600 66200 4
+N 76600 66100 77000 66100 4
+N 77000 66100 77000 66200 4
+N 76600 66100 76200 66100 4
+N 76200 66100 76200 66200 4
+T 72200 65500 9 10 1 0 0 0 6
+v_charge can be 4.2 volts
+v_bckp must be 1.4 - 3.6 volts
+i_bckp on the order of 22uA
+
+56k should drop 1.232 volts,
+and consume 27 microwatts
+C 73800 67100 1 180 0 resistor.sym
+{
+T 73500 66700 5 10 0 0 180 0 1
+device=RESISTOR
+T 72900 67200 5 10 1 1 0 0 1
+refdes=R32
+T 73500 67200 5 10 1 1 0 0 1
+value=56k
+T 73800 67100 5 10 0 1 180 0 1
+footprint=0402
+}
+N 73800 67000 74600 67000 4
+T 70700 70800 9 10 1 0 0 0 9
+don't drive reset_gps high!
+
+mcp130t is open drain
+with 5k internal pull-up
+
+do we really want 3.3k
+pull-up here? unclear!
+
+don't use reset_n at all?
+T -72100 -78700 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -72100 -78700 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -72100 -78700 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -72100 -78700 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -29500 -72800 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -29500 -72800 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+T -29500 -72800 8 10 0 1 0 0 1
+vendor_part_number=MMA7260QT-ND
+T -29500 -72800 8 10 0 1 0 0 1
+vendor_part_number=MCP9700-E/TO-ND
+C 72800 42200 1 90 0 resistor.sym
+{
+T 72400 42500 5 10 0 0 90 0 1
+device=RESISTOR
+T 72800 42195 5 10 0 1 90 0 1
+footprint=0402
+T 72500 42900 5 10 1 1 180 0 1
+refdes=R39
+T 72100 42400 5 10 1 1 0 0 1
+value=9.09k
+}
+C 72800 43100 1 90 0 resistor.sym
+{
+T 72400 43400 5 10 0 0 90 0 1
+device=RESISTOR
+T 72800 43095 5 10 0 1 90 0 1
+footprint=0402
+T 72500 43800 5 10 1 1 180 0 1
+refdes=R38
+T 72200 43300 5 10 1 1 0 0 1
+value=10k
+}
+C 67600 41600 1 90 0 resistor.sym
+{
+T 67200 41900 5 10 0 0 90 0 1
+device=RESISTOR
+T 67600 41595 5 10 0 1 90 0 1
+footprint=0402
+T 67300 42300 5 10 1 1 180 0 1
+refdes=R37
+T 66900 41800 5 10 1 1 0 0 1
+value=8.06k
+}
+C 67600 42500 1 90 0 resistor.sym
+{
+T 67200 42800 5 10 0 0 90 0 1
+device=RESISTOR
+T 67600 42495 5 10 0 1 90 0 1
+footprint=0402
+T 67300 43200 5 10 1 1 180 0 1
+refdes=R36
+T 67000 42700 5 10 1 1 0 0 1
+value=10k
+}
+C 72600 41900 1 0 0 gnd.sym
+N 72700 43100 73800 43100 4
+{
+T 73100 43200 5 10 1 1 0 0 1
+netname=cmp_rail
+}
+N 67500 43400 67500 44000 4
+N 67500 42500 68700 42500 4
+{
+T 67800 42600 5 10 1 1 0 0 1
+netname=cmp_ldo_in
+}
+C 66800 43000 1 90 0 capacitor.sym
+{
+T 66100 43200 5 10 0 0 90 0 1
+device=CAPACITOR
+T 65900 43200 5 10 0 0 90 0 1
+symversion=0.1
+T 66800 43000 5 10 0 0 90 0 1
+footprint=1206
+T 66550 43750 5 10 1 1 180 0 1
+refdes=C39
+T 66500 43300 5 10 1 1 180 0 1
+value=47uF
+}
+C 65000 43800 1 0 0 diode.sym
+{
+T 65400 44400 5 10 0 0 0 0 1
+device=DIODE
+T 65300 44300 5 10 1 1 0 0 1
+refdes=D3
+T 65000 43800 5 10 0 0 0 0 1
+footprint=powerdi123
+T 65000 43500 5 10 1 1 0 0 1
+value=DFLS130L
+}
+N 65900 44000 68000 44000 4
+{
+T 66700 44100 5 10 1 1 0 0 1
+netname=v_ldo_in
+}
+N 66600 43900 66600 44000 4
+N 66600 43000 66600 41600 4
+C 49200 44300 1 0 0 3.3V-plus.sym
+N 47800 43700 48900 43700 4
+{
+T 47800 43800 5 10 1 1 0 0 1
+netname=cmp_rail
+}
+N 47800 44100 48900 44100 4
+{
+T 47800 44200 5 10 1 1 0 0 1
+netname=cmp_ldo_in
+}
+C 48900 43500 1 0 0 opamp-dual.sym
+{
+T 50000 44800 5 10 0 0 0 0 1
+device=IC
+T 50000 45400 5 10 0 0 0 0 1
+symversion=0.1
+T 48900 43500 5 10 0 1 0 0 1
+slot=1
+T 48900 43500 5 10 0 1 0 0 1
+footprint=8ufson2x2
+T 49700 44200 5 10 1 1 0 0 1
+refdes=U13
+T 49700 43500 5 10 1 1 0 0 1
+value=LM293
+}
+C 49300 43200 1 0 0 gnd.sym
+N 49900 43900 50400 43900 4
+N 50400 43900 50400 42700 4
+C 42900 44300 1 0 0 3.3V-plus.sym
+N 41500 43700 42600 43700 4
+{
+T 41500 43800 5 10 1 1 0 0 1
+netname=cmp_rail
+}
+N 41500 44100 42600 44100 4
+{
+T 41500 44200 5 10 1 1 0 0 1
+netname=cmp_ldo_in
+}
+C 42600 43500 1 0 0 opamp-dual.sym
+{
+T 43700 44800 5 10 0 0 0 0 1
+device=IC
+T 43700 45400 5 10 0 0 0 0 1
+symversion=0.1
+T 42600 43500 5 10 0 1 0 0 1
+slot=2
+T 42600 43500 5 10 0 1 0 0 1
+footprint=8ufson2x2
+T 43400 44200 5 10 1 1 0 0 1
+refdes=U13
+T 43400 43500 5 10 1 1 0 0 1
+value=LM293
+}
+C 43000 43200 1 0 0 gnd.sym
+N 43600 43900 44100 43900 4
+N 44100 43900 44100 42700 4
+C 43100 47600 1 0 0 conn-6.sym
+{
+T 43100 47600 5 10 0 0 0 0 1
+footprint=282834-6
+T 43100 47600 5 10 0 0 0 0 1
+loadstatus=noload
+T 43100 47600 5 10 0 0 0 0 1
+device=CONNECTOR
+T 43455 49895 5 10 1 1 0 0 1
+refdes=J4
+T 43400 47300 5 10 1 1 0 0 1
+value=6screws
+}
+N 43100 48100 42000 48100 4
+{
+T 42000 48200 5 10 1 1 0 0 1
+netname=v_charge
+}
+N 43100 49300 43000 49300 4
+N 42000 49700 43100 49700 4
+{
+T 42000 49800 5 10 1 1 0 0 1
+netname=fet_a
+}
+N 42000 48900 43100 48900 4