T 47300 58300 5 10 1 1 0 0 1
value=1k
}
-C 45300 56500 1 0 1 gnd.sym
+C 45300 54800 1 0 1 gnd.sym
C 47600 56800 1 0 1 resistor.sym
{
T 47300 57200 5 10 0 1 0 6 1
value=1k
}
N 45800 56900 45200 56900 4
-N 45200 56800 45200 58100 4
+N 45200 55100 45200 58100 4
N 45800 58100 45200 58100 4
N 47600 59300 49100 59300 4
{
T 67700 58000 9 10 1 0 0 0 2
5V Pressure
Sensor Only
-T 66600 57300 9 10 1 0 0 0 2
+T 66700 57300 9 10 1 0 0 0 2
Pressure sensor output
assumed to be 0.5-4.5V.
T 60400 48600 9 10 1 0 0 0 8
excite +
shield
-T 68100 53300 9 10 1 0 0 0 5
+T 68100 53500 9 10 1 0 0 0 4
Zener to protect ADC
-input if INA125 gain
-set wrong, etc. ADC
-abs max spec is 20V.
-
+input if load cell not
+connected, or INA125
+gain set way too high.
C 70800 66700 1 0 0 gnd.sym
N 68000 67000 66600 67000 4
{
N 55800 69500 57000 69500 4
{
T 55800 69550 5 10 1 1 0 0 1
-netname=gpio04
+netname=gpio07
}
N 45100 63800 46900 63800 4
{
N 70900 67000 70700 67000 4
N 70700 68200 71500 68200 4
N 71500 68200 71500 67800 4
-N 45100 68200 46900 68200 4
-{
-T 45100 68250 5 10 1 1 0 0 1
-netname=gpio04
-}
T 49800 57800 9 10 1 0 0 0 5
Health - red during boot, green when ready
Continuity - green, off if no igniter
Armed - red when locally armed, off otherwise
-C 48900 64500 1 0 0 nc-right.sym
+N 50100 64600 48300 64600 4
{
-T 49000 65000 5 10 0 0 0 0 1
-value=NoConnection
-T 49000 65200 5 10 0 0 0 0 1
-device=DRC_Directive
+T 50100 64650 5 10 1 1 0 6 1
+netname=gpio07
}
-N 48900 64600 48300 64600 4
C 45800 62900 1 0 0 nc-left.sym
{
T 45800 63300 5 10 0 0 0 0 1
T 44100 44900 5 10 0 1 0 0 1
footprint=0402
}
-C 45000 44100 1 0 1 resistor.sym
+N 43400 44200 45500 44200 4
{
-T 44700 44500 5 10 0 1 0 6 1
-device=RESISTOR
-T 45000 44100 5 10 0 1 90 2 1
-footprint=0402
-T 44300 44300 5 10 1 1 0 6 1
-refdes=R35
-T 44900 44300 5 10 1 1 0 0 1
-value=1k
+T 43400 44300 5 10 1 1 0 0 1
+netname=led_charging
}
-N 43000 44200 42700 44200 4
-N 43600 44200 44100 44200 4
-C 43000 43800 1 0 0 led-bicolor.sym
-{
-T 43100 44400 5 10 0 0 0 0 1
-device=LED
-T 43000 43800 5 10 0 0 0 0 1
-footprint=H178
-T 42850 44300 5 10 1 1 0 0 1
-refdes=D5
-T 42900 43600 5 10 1 1 0 0 1
-value=red+green
-}
-N 45000 44200 45500 44200 4
N 45000 45000 45500 45000 4
N 45000 45400 45500 45400 4
C 42600 41300 1 0 0 gnd.sym
T 50100 61850 5 10 1 1 0 6 1
netname=gpio21
}
+T 79700 62600 9 10 1 0 0 0 2
+Holder for 3 flat-top
+18650 batteries
+C 47700 55500 1 0 1 resistor.sym
+{
+T 47400 55900 5 10 0 1 0 6 1
+device=RESISTOR
+T 47700 55500 5 10 0 1 90 2 1
+footprint=0402
+T 47000 55700 5 10 1 1 0 6 1
+refdes=R35
+T 47600 55700 5 10 1 1 0 0 1
+value=1k
+}
+C 45800 55200 1 0 0 led-bicolor.sym
+{
+T 45900 55800 5 10 0 0 0 0 1
+device=LED
+T 45800 55200 5 10 0 0 0 0 1
+footprint=H178
+T 45650 55700 5 10 1 1 0 0 1
+refdes=D5
+T 45800 55000 5 10 1 1 0 0 1
+value=red+green
+}
+N 46400 55600 46800 55600 4
+N 47700 55600 49300 55600 4
+{
+T 49300 55700 5 10 1 1 0 6 1
+netname=led_charging
+}
+N 45800 55600 45200 55600 4
+T 49800 55400 9 10 1 0 0 0 3
+Could we bias the charging LED to half
+the charger chip LED output voltage for
+red while charging and green when full?
+T 60400 62800 9 10 1 0 0 0 1
+Do we really need TVS on the input(s)?
+C 45900 68100 1 0 0 nc-left.sym
+{
+T 45900 68500 5 10 0 0 0 0 1
+value=NoConnection
+T 45900 68900 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+N 46400 68200 46900 68200 4