+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 1 1 0 0 1
+device=U-Blox MAX
+T 74600 66200 5 10 0 1 0 0 1
+footprint=UBLOX-MAX
+}
+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
+C 80600 69800 1 0 0 gnd.sym
+T 81000 69100 9 10 1 0 0 0 2
+u-blox suggests L5 be
+Murata LQG15HS27NJ02
+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
+T 73800 67100 5 10 0 1 180 0 1
+vendor=digikey
+T 73800 67100 5 10 0 1 180 0 1
+vendor_part_number=RHM56.0KLCT-ND
+T 73800 67100 5 10 0 1 90 0 1
+loadstatus=smt
+}
+N 73800 67000 74600 67000 4
+C 73000 70500 1 0 0 resistor.sym
+{
+T 73300 70900 5 10 0 0 0 0 1
+device=RESISTOR
+T 73350 70950 5 10 1 1 180 0 1
+refdes=R33
+T 72995 70500 5 10 0 1 0 0 1
+footprint=0402
+T 73500 70800 5 10 1 1 0 0 1
+value=3.3k
+T 73000 70500 5 10 0 1 270 0 1
+vendor_part_number=311-3.30KLRCT-ND
+T 73000 70500 5 10 0 0 270 0 1
+vendor=digikey
+T 73000 70500 5 10 0 1 270 0 1
+loadstatus=smt
+}
+N 73000 70600 73000 70200 4
+T 70700 70800 9 10 1 0 0 0 9
+don't drive reset_n 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 54100 44900 1 0 0 3.3V-plus.sym
+N 55500 43700 55700 43700 4
+N 55700 43700 55700 44900 4
+N 55500 44100 55700 44100 4
+C 53100 42700 1 90 0 capacitor.sym
+{
+T 52400 42900 5 10 0 0 90 0 1
+device=CAPACITOR
+T 52800 43500 5 10 1 1 180 0 1
+refdes=C20
+T 52200 42900 5 10 0 0 90 0 1
+symversion=0.1
+T 52200 42800 5 10 1 1 0 0 1
+value=0.22uF
+T 53100 42700 5 10 0 1 0 0 1
+footprint=0402
+T 53100 42700 5 10 0 1 0 0 1
+loadstatus=smt
+T 53100 42700 5 10 0 1 0 0 1
+vendor=digikey
+T 53100 42700 5 10 0 1 0 0 1
+vendor_part_number=587-1228-1-ND
+}
+C 56400 43700 1 90 0 capacitor.sym
+{
+T 55700 43900 5 10 0 0 90 0 1
+device=CAPACITOR
+T 56600 44500 5 10 1 1 180 0 1
+refdes=C22
+T 55500 43900 5 10 0 0 90 0 1
+symversion=0.1
+T 56400 43800 5 10 1 1 0 0 1
+value=0.1uF
+T 56400 43700 5 10 0 1 0 0 1
+footprint=0402
+T 56400 43700 5 10 0 1 0 0 1
+loadstatus=smt
+T 56400 43700 5 10 0 1 0 0 1
+vendor=digikey
+T 56400 43700 5 10 0 1 0 0 1
+vendor_part_number=399-3027-1-ND
+}
+C 53100 41200 1 90 0 capacitor.sym
+{
+T 52400 41400 5 10 0 0 90 0 1
+device=CAPACITOR
+T 52800 42000 5 10 1 1 180 0 1
+refdes=C21
+T 52200 41400 5 10 0 0 90 0 1
+symversion=0.1
+T 52300 41300 5 10 1 1 0 0 1
+value=4.7uF
+T 53100 41200 5 10 0 1 0 0 1
+footprint=0402
+T 53100 41200 5 10 0 1 0 0 1
+loadstatus=smt
+T 53100 41200 5 10 0 1 0 0 1
+vendor=digikey
+T 53100 41200 5 10 0 1 0 0 1
+vendor_part_number=490-5408-1-ND
+}
+C 53100 41200 1 0 0 HMC5883L.sym
+{
+T 53855 44400 5 10 0 1 0 0 1
+device=HMC5883L
+T 53405 44645 5 10 1 1 0 0 1
+refdes=U9
+T 53100 41200 5 10 0 0 0 0 1
+footprint=LPCC16
+T 54300 44650 5 10 1 1 0 0 1
+value=HMC5883L
+T 53100 41200 5 10 0 1 0 0 1
+loadstatus=smt
+T 53100 41200 5 10 0 1 0 0 1
+vendor=digikey
+T 53100 41200 5 10 0 1 0 0 1
+vendor_part_number=342-1082-1-ND
+}
+N 53100 43700 52900 43700 4
+N 52900 43700 52900 43600 4
+N 52900 42700 52900 42500 4
+N 52900 42500 53100 42500 4
+N 52900 42100 53100 42100 4
+C 52800 40900 1 0 0 gnd.sym
+C 53800 40900 1 0 0 gnd.sym
+C 54500 40900 1 0 0 gnd.sym
+C 56100 43400 1 0 0 gnd.sym
+N 55500 42900 57100 42900 4
+{
+T 56000 43000 5 10 1 1 0 0 1
+netname=sda1
+}
+N 55500 42500 57900 42500 4
+{
+T 56100 42600 5 10 1 1 0 0 1
+netname=scl1
+}
+N 52900 44900 55700 44900 4
+N 53100 44100 52900 44100 4
+N 52900 44100 52900 44900 4
+N 56200 44600 55700 44600 4
+N 55500 42100 56400 42100 4
+{
+T 55800 42200 5 10 1 1 0 0 1
+netname=mag_int
+}
+C 57200 42900 1 90 0 resistor.sym
+{
+T 56800 43200 5 10 0 0 90 0 1
+device=RESISTOR
+T 57300 43400 5 10 1 1 0 0 1
+refdes=R900
+T 57300 43100 5 10 1 1 0 0 1
+value=1.8k
+T 57200 42900 5 10 0 1 0 0 1
+footprint=0402
+}
+C 58000 42500 1 90 0 resistor.sym
+{
+T 57600 42800 5 10 0 0 90 0 1
+device=RESISTOR
+T 58100 43000 5 10 1 1 0 0 1
+refdes=R901
+T 58100 42700 5 10 1 1 0 0 1
+value=1.8k
+T 58000 42500 5 10 0 1 0 0 1
+footprint=0402
+}
+C 56900 43800 1 0 0 3.3V-plus.sym
+C 57700 43400 1 0 0 3.3V-plus.sym
+N 64300 66700 65600 66700 4
+{
+T 65000 66800 5 10 1 1 0 0 1
+netname=mag_int
+}
+N 54800 55900 53500 55900 4
+{
+T 53900 56000 5 10 1 1 0 6 1
+netname=sda1
+}
+N 54800 56300 53500 56300 4
+{
+T 53850 56400 5 10 1 1 0 6 1
+netname=scl1
+}
+C 52900 61400 1 0 1 resistor.sym
+{
+T 52600 61800 5 10 0 0 0 6 1
+device=RESISTOR
+T 52400 61700 5 10 1 1 0 6 1
+refdes=R54
+T 52800 61700 5 10 1 1 0 6 1
+value=22
+T 52900 61400 5 10 0 1 0 0 1
+footprint=0402
+T 52900 61400 5 10 0 1 0 0 1
+loadstatus=smt
+T 52900 61400 5 10 0 1 0 0 1
+vendor=digikey
+T 52900 61400 5 10 0 1 0 0 1
+vendor_part_number=P22.0LCT-ND
+}
+C 52900 61000 1 0 1 resistor.sym
+{
+T 52600 61400 5 10 0 0 0 6 1
+device=RESISTOR
+T 52400 60800 5 10 1 1 0 6 1
+refdes=R55
+T 52800 60800 5 10 1 1 0 6 1
+value=22
+T 52900 61000 5 10 0 1 0 0 1
+footprint=0402
+T 52900 61000 5 10 0 1 0 0 1
+loadstatus=smt
+T 52900 61000 5 10 0 1 0 0 1
+vendor=digikey
+T 52900 61000 5 10 0 1 0 0 1
+vendor_part_number=P22.0LCT-ND
+}
+N 52000 61500 50600 61500 4
+N 50600 61100 52000 61100 4