footprint=rpsma-th
T 41600 62000 5 10 1 1 0 6 1
value=RP-SMA
+T 42400 61800 5 10 0 1 0 0 1
+device=CONNECTOR
}
-C 79000 58700 1 0 0 microSD.sym
+C 79000 58400 1 0 0 microSD.sym
{
-T 80295 60895 5 10 0 1 0 0 1
-device=IC
+T 80295 60595 5 10 0 1 0 0 1
+device=CONNECTOR
T 79295 62395 5 10 1 1 0 0 1
refdes=J2
T 80295 62395 5 10 1 1 0 0 1
value=microSD
-T 79500 58500 5 10 0 1 0 0 1
-footprint=microSD
+T 79500 58200 5 10 0 1 0 0 1
+footprint=microSDpush
}
N 77500 60500 75300 60500 4
{
T 77500 59350 5 10 1 1 0 0 1
netname=sd_d1
}
-C 78800 58500 1 0 0 gnd.sym
+C 78800 58100 1 0 0 gnd.sym
N 79000 60100 78900 60100 4
-N 78900 60100 78900 58800 4
-N 79000 58900 78900 58900 4
+N 78900 60100 78900 58400 4
+N 79000 58500 78900 58500 4
C 78700 62300 1 0 0 3.3V-plus.sym
N 78900 62300 78900 60900 4
N 78900 60900 79000 60900 4
T 45195 52900 5 10 1 1 0 0 1
refdes=U2
T 48900 52900 5 10 1 1 0 0 1
-value=LPC11U12FHI33
+value=LPC11U14FHI33
}
C 42100 45600 1 0 1 USBmicroB.sym
{
refdes=J19
T 56155 70295 5 10 0 1 0 0 1
footprint=cu01sav
+T 55800 69900 5 10 0 1 0 0 1
+device=CONNECTOR
}
C 55600 69900 1 0 0 gnd.sym
N 55800 70300 55700 70300 4
N 74100 62300 74100 59300 4
C 75400 63500 1 0 0 3.3V-plus.sym
N 74100 63200 74100 63500 4
-N 74100 63500 77100 63500 4
+N 73500 63500 77100 63500 4
N 77100 63500 77100 63200 4
N 76500 63200 76500 63500 4
N 75900 63200 75900 63500 4
N 55800 71500 55300 71500 4
N 55300 71500 55300 71600 4
T 54200 69400 9 10 1 0 0 0 1
-needs ESD suppressor?
+add ESD suppression?
T 55900 72300 9 10 1 0 0 0 2
USB A socket
for USB stick
-N 51600 61900 52800 61900 4
+N 51600 61900 55100 61900 4
{
T 52750 61950 5 10 1 1 0 6 1
netname=console_out
}
-N 51600 62300 52800 62300 4
+N 51600 62300 55100 62300 4
{
T 52750 62350 5 10 1 1 0 6 1
netname=console_in
T 50900 50600 5 10 0 0 0 0 1
device=DRC_Directive
}
-C 50800 49100 1 0 0 nc-right.sym
-{
-T 50900 49600 5 10 0 0 0 0 1
-value=NoConnection
-T 50900 49800 5 10 0 0 0 0 1
-device=DRC_Directive
-}
C 50800 48700 1 0 0 nc-right.sym
{
T 50900 49200 5 10 0 0 0 0 1
T 41600 67600 5 10 0 1 90 0 1
device=CAPACITOR
T 42300 67400 5 10 0 1 0 0 1
-footprint=0603
+footprint=0402
T 42200 67600 5 10 1 1 0 0 1
refdes=C1
T 42200 68000 5 10 1 1 0 0 1
T 77900 54800 5 10 0 0 180 0 1
symversion=0.1
T 78100 55700 5 10 0 1 90 0 1
-footprint=0805
+footprint=0402
T 77500 55600 5 10 1 1 0 6 1
refdes=C107
T 77800 55600 5 10 1 1 0 0 1
T 79600 54400 5 10 0 0 180 0 1
symversion=0.1
T 79800 55300 5 10 0 1 90 0 1
-footprint=0603
+footprint=0402
T 79200 55200 5 10 1 1 0 6 1
refdes=C108
T 79500 55200 5 10 1 1 0 0 1
T 79600 54000 5 10 0 0 180 0 1
symversion=0.1
T 79800 54900 5 10 0 1 90 0 1
-footprint=0603
+footprint=0402
T 79200 54800 5 10 1 1 0 6 1
refdes=C109
T 79500 54800 5 10 1 1 0 0 1
T 78200 50900 5 10 0 0 270 0 1
symversion=0.1
T 77300 51100 5 10 0 1 180 0 1
-footprint=0603
+footprint=0402
T 77600 50400 5 10 1 1 0 0 1
refdes=C102
T 77600 50800 5 10 1 1 0 0 1
T 79100 50900 5 10 0 0 270 0 1
symversion=0.1
T 78200 51100 5 10 0 1 180 0 1
-footprint=1210
+footprint=1206
T 78500 50400 5 10 1 1 0 0 1
refdes=C110
T 78500 50800 5 10 1 1 0 0 1
T 78600 50400 5 10 0 0 90 0 1
symversion=0.1
T 79500 50200 5 10 0 1 0 0 1
-footprint=0805
+footprint=0402
T 79400 50400 5 10 1 1 0 0 1
refdes=C111
T 79400 50800 5 10 1 1 0 0 1
footprint=100mil2pin
T 69205 53345 5 10 1 1 0 0 1
refdes=J7
+T 69800 52500 5 10 0 1 0 0 1
+device=CONNECTOR
}
N 70800 52500 69700 52500 4
C 71000 51600 1 90 0 zener.sym
T 66800 54900 9 10 1 0 0 0 2
Pressure sensor output
assumed to be 0.5-4.5V.
-T 59200 48300 9 10 1 0 0 0 9
+T 59200 47900 9 10 1 0 0 0 9
R106 sets gain, see INA125
data sheet for details.
exceed 5V ADC range
Could be a 10V device?
-T 68000 50000 9 10 1 0 0 0 6
+T 68100 49600 9 10 1 0 0 0 6
resistor divider
in case we need
a minimum load,
N 80000 69500 78200 69500 4
{
T 78900 69600 5 10 1 1 0 0 1
-netname=v_lipo
+netname=v_slab
}
N 78900 70500 80000 70500 4
{
N 76700 72400 75900 72400 4
{
T 76400 72450 5 10 1 1 0 6 1
-netname=v_lipo
+netname=v_slab
}
N 80000 69100 79705 69100 4
N 79705 69100 79705 69095 4
N 62200 44400 62700 44400 4
{
T 62200 44500 5 10 1 1 0 0 1
-netname=v_lipo
+netname=v_slab
}
C 70700 44000 1 0 0 3.3V-plus.sym
N 69800 44000 70900 44000 4
N 68100 72500 67000 72500 4
{
T 67000 72600 5 10 1 1 0 0 1
-netname=v_lipo
+netname=v_slab
}
N 66100 72100 68100 72100 4
{
N 58400 45900 59500 45900 4
{
T 58400 46000 5 10 1 1 0 0 1
-netname=v_lipo
+netname=v_slab
}
T 56775 44350 9 10 1 0 0 0 2
Make it possible to sample
footprint=50mil6pin
T 50395 57845 5 10 1 1 270 0 1
refdes=J4
+T 48100 58200 5 10 0 1 0 0 1
+device=CONNECTOR
}
C 49900 58300 1 0 0 gnd.sym
N 49800 58200 49800 58600 4
N 52800 67900 51600 67900 4
{
T 52800 68000 5 10 1 1 0 6 1
-netname=gpio_23
+netname=sd_cd
}
N 66500 59900 65300 59900 4
{
T 66500 60000 5 10 1 1 0 6 1
netname=gpio_22
}
-N 62700 59900 63900 59900 4
-{
-T 62700 60000 5 10 1 1 0 0 1
-netname=gpio_23
-}
N 46600 58900 46600 60100 4
{
T 46700 58900 5 10 1 1 270 6 1
T 42900 65200 5 10 1 1 0 0 1
netname=gpio_42
}
-N 42900 65500 44100 65500 4
-{
-T 42900 65600 5 10 1 1 0 0 1
-netname=led_health
-}
N 66500 62700 65300 62700 4
{
T 66500 62800 5 10 1 1 0 6 1
T 62700 62800 5 10 1 1 0 0 1
netname=gpio_42
}
-N 42900 70300 44100 70300 4
+N 42600 70300 44100 70300 4
{
T 42900 70400 5 10 1 1 0 0 1
netname=gpio_38
}
N 68000 44400 67800 44400 4
N 68900 44400 68900 44000 4
+C 41300 70800 1 180 0 conn-2.sym
+{
+T 41300 70800 5 10 0 1 180 0 1
+footprint=100mil2pin
+T 41300 70800 5 10 0 1 180 0 1
+device=CONNECTOR
+T 41300 70800 5 10 0 1 0 0 1
+loadstatus=noload
+T 40895 70845 5 10 1 1 0 6 1
+refdes=J12
+T 41500 69800 5 10 1 1 0 6 1
+value=Force Uboot
+}
+C 42600 70400 1 180 0 resistor.sym
+{
+T 42300 70000 5 10 0 0 180 0 1
+device=RESISTOR
+T 42605 70400 5 10 0 1 180 0 1
+footprint=0402
+T 42000 70500 5 10 1 1 0 6 1
+refdes=R10
+T 42200 70500 5 10 1 1 0 0 1
+value=3.3k
+}
+N 41700 70300 41300 70300 4
+C 41100 70700 1 0 0 3.3V-plus.sym
+N 73500 58900 79000 58900 4
+{
+T 77500 58950 5 10 1 1 0 0 1
+netname=sd_cd
+}
+C 73400 63200 1 270 0 resistor.sym
+{
+T 73800 62900 5 10 0 0 270 0 1
+device=RESISTOR
+T 73400 63200 5 10 0 1 270 0 1
+footprint=0402
+T 73700 63200 5 10 1 1 270 0 1
+refdes=R29
+T 73700 62400 5 10 1 1 270 6 1
+value=10k
+}
+N 73500 63500 73500 63200 4
+N 73500 58900 73500 62300 4
+N 52000 49200 50800 49200 4
+{
+T 52000 49300 5 10 1 1 0 6 1
+netname=led_health
+}
+N 42900 65500 44100 65500 4
+{
+T 42900 65600 5 10 1 1 0 0 1
+netname=gpio_41
+}
+N 62700 59900 63900 59900 4
+{
+T 62700 60000 5 10 1 1 0 0 1
+netname=gpio_41
+}
+C 55000 61200 1 0 0 gnd.sym
+C 55100 63200 1 180 1 conn-5.sym
+{
+T 55455 63295 5 10 1 1 0 0 1
+refdes=J14
+T 55100 63200 5 10 0 1 180 6 1
+footprint=100mil5pin
+T 55100 63200 5 10 0 1 0 0 1
+device=CONNECTOR
+}
+N 55100 63100 54100 63100 4
+{
+T 54100 63150 5 10 1 1 0 0 1
+netname=sda
+}
+N 55100 62700 54100 62700 4
+{
+T 54100 62750 5 10 1 1 0 0 1
+netname=scl
+}
+T 57400 57600 9 10 1 0 0 0 1
+Is 150mA enough with USB host?