v 20110115 2
C 57800 46600 1 0 1 connector6-1.sym
{
T 56000 48400 5 10 0 0 0 6 1
device=CONNECTOR_6
T 57700 48600 5 10 1 1 0 6 1
refdes=J200
}
C 54100 46500 1 0 0 gnd-1.sym
C 42400 50500 1 0 0 BNC-1.sym
{
T 42750 51150 5 10 0 0 0 0 1
device=BNC
T 42400 51300 5 10 1 1 0 0 1
refdes=J300
}
C 42400 53900 1 0 0 connector2-1.sym
{
T 42600 54900 5 10 0 0 0 0 1
device=CONNECTOR_2
T 42400 54700 5 10 1 1 0 0 1
refdes=J100
}
C 49900 52400 1 0 0 tl082-1.sym
{
T 50575 53000 5 10 0 0 0 0 1
device=TL082
T 50600 53750 5 10 0 0 0 0 1
footprint=DIP8
T 49800 53300 5 10 1 1 0 0 1
refdes=IC300
T 49900 52400 5 10 0 0 0 0 1
slot=2
}
C 47000 46700 1 0 0 tl082-1.sym
{
T 47675 47300 5 10 0 0 0 0 1
device=TL082
T 47700 48050 5 10 0 0 0 0 1
footprint=DIP8
T 46900 47600 5 10 1 1 0 0 1
refdes=IC300
}
C 44900 52300 1 90 0 capacitor-1.sym
{
T 44200 52500 5 10 0 0 90 0 1
device=CAPACITOR
T 45000 52800 5 10 1 1 0 0 1
refdes=C101
T 44000 52500 5 10 0 0 90 0 1
symversion=0.1
T 45000 52600 5 10 1 1 0 0 1
value=100nF
}
C 44100 51600 1 0 0 gnd-1.sym
N 44100 54100 44200 54100 4
N 44200 54100 44200 51900 4
N 44100 54400 44900 54400 4
N 44700 54400 44700 53200 4
C 44600 51600 1 0 0 gnd-1.sym
N 44700 52300 44700 51900 4
C 44800 45900 1 0 0 gnd-1.sym
N 44900 46200 44900 46900 4
C 47700 45900 1 0 0 capacitor-1.sym
{
T 47900 46600 5 10 0 0 0 0 1
device=CAPACITOR
T 47900 46600 5 10 1 1 0 0 1
refdes=C303
T 47900 46800 5 10 0 0 0 0 1
symversion=0.1
T 47900 46400 5 10 1 1 0 0 1
value=10nF
}
C 47400 46300 1 0 0 gnd-1.sym
N 47500 46700 47500 46600 4
N 47700 46100 46900 46100 4
N 46900 45200 46900 46900 4
N 47000 46900 46900 46900 4
N 47700 45200 46900 45200 4
C 48800 47000 1 0 0 resistor-2.sym
{
T 49200 47350 5 10 0 0 0 0 1
device=RESISTOR
T 49000 47500 5 10 1 1 0 0 1
refdes=R302
T 49000 47300 5 10 1 1 0 0 1
value=100R
}
N 48800 47100 48000 47100 4
N 48600 46100 48700 46100 4
N 48700 46100 48700 47100 4
N 49700 47100 49800 47100 4
N 49800 45200 49800 48000 4
N 49800 45200 48600 45200 4
C 46100 47400 1 90 0 capacitor-1.sym
{
T 45400 47600 5 10 0 0 90 0 1
device=CAPACITOR
T 46200 47900 5 10 1 1 0 0 1
refdes=C301
T 45200 47600 5 10 0 0 90 0 1
symversion=0.1
T 46200 47700 5 10 1 1 0 0 1
value=100nF
}
C 46100 46300 1 90 0 capacitor-1.sym
{
T 45400 46500 5 10 0 0 90 0 1
device=CAPACITOR
T 46200 46800 5 10 1 1 0 0 1
refdes=C302
T 45200 46500 5 10 0 0 90 0 1
symversion=0.1
T 46200 46600 5 10 1 1 0 0 1
value=100nF
}
C 45800 45900 1 0 0 gnd-1.sym
N 45900 46300 45900 46200 4
N 45400 47300 47000 47300 4
N 47500 47500 47500 54400 4
N 45900 48300 45900 48400 4
N 44900 47800 44900 48400 4
C 47700 45100 1 0 0 resistor-2.sym
{
T 48100 45450 5 10 0 0 0 0 1
device=RESISTOR
T 47900 45600 5 10 1 1 0 0 1
refdes=R301
T 47900 45400 5 10 1 1 0 0 1
value=10k
}
C 49200 52000 1 90 0 capacitor-1.sym
{
T 48500 52200 5 10 0 0 90 0 1
device=CAPACITOR
T 49300 52500 5 10 1 1 0 0 1
refdes=C352
T 48300 52200 5 10 0 0 90 0 1
symversion=0.1
T 49300 52300 5 10 1 1 0 0 1
value=1nF
}
N 49000 53000 49000 52900 4
C 48900 51600 1 0 0 gnd-1.sym
N 49000 52000 49000 51900 4
N 46500 54400 56800 54400 4
{
T 47300 54500 5 10 1 1 0 0 1
net=VDD
}
N 44900 48400 47500 48400 4
C 46500 51600 1 0 0 gnd-1.sym
N 46600 54400 46600 53200 4
N 46600 52300 46600 51900 4
C 41900 44000 0 0 0 title-bordered-A3.sym
C 49900 49100 1 90 0 resistor-2.sym
{
T 49550 49500 5 10 0 0 90 0 1
device=RESISTOR
T 50000 49500 5 10 1 1 0 0 1
refdes=R351
}
C 50300 52000 1 0 0 gnd-1.sym
N 50400 52400 50400 52300 4
C 49900 48000 1 90 0 resistor-2.sym
{
T 49550 48400 5 10 0 0 90 0 1
device=RESISTOR
T 50000 48400 5 10 1 1 0 0 1
refdes=R355
}
C 50600 50000 1 0 0 capacitor-1.sym
{
T 50800 50700 5 10 0 0 0 0 1
device=CAPACITOR
T 50800 50700 5 10 1 1 0 0 1
refdes=C350
T 50800 50900 5 10 0 0 0 0 1
symversion=0.1
T 50800 50500 5 10 1 1 0 0 1
value=10uF
}
N 49900 52600 49800 52600 4
N 49800 50000 49800 52600 4
N 50900 52800 54800 52800 4
N 49800 49100 49800 48900 4
C 51400 53400 1 90 0 capacitor-1.sym
{
T 50700 53600 5 10 0 0 90 0 1
device=CAPACITOR
T 51500 53900 5 10 1 1 0 0 1
refdes=C351
T 50500 53600 5 10 0 0 90 0 1
symversion=0.1
T 51500 53700 5 10 1 1 0 0 1
value=100nF
}
N 50400 53200 50400 54400 4
N 51200 54400 51200 54300 4
C 51100 53000 1 0 0 gnd-1.sym
N 51200 53300 51200 53400 4
C 50600 48900 1 0 0 resistor-2.sym
{
T 51000 49250 5 10 0 0 0 0 1
device=RESISTOR
T 50800 49200 5 10 1 1 0 0 1
refdes=R353
}
N 50600 49000 49800 49000 4
C 52300 46500 1 0 0 gnd-1.sym
N 52400 49500 52400 54400 4
N 52400 46800 52400 48600 4
N 48600 53000 49900 53000 4
N 42900 51000 48600 51000 4
N 48600 51000 48600 53000 4
N 42500 50500 42500 50400 4
N 42500 50400 42900 50400 4
N 42900 50400 42900 50800 4
N 42900 50800 48600 50800 4
N 48600 47900 48600 50800 4
C 56600 49600 1 0 0 gnd-1.sym
N 56600 50800 56700 50800 4
N 56700 50800 56700 49900 4
N 56600 50000 56700 50000 4
N 56600 50400 56700 50400 4
C 54600 49600 1 0 0 gnd-1.sym
N 54800 50800 54700 50800 4
N 54700 49900 54700 52400 4
N 54800 50000 54700 50000 4
N 54800 50400 54700 50400 4
N 56100 47400 54200 47400 4
N 54200 47400 54200 46800 4
N 54200 53200 54800 53200 4
C 44900 53800 1 0 0 lm7805-1.sym
{
T 46500 55100 5 10 0 0 0 0 1
device=7805
T 45700 54800 5 10 1 1 0 6 1
refdes=IC100
}
C 45600 51600 1 0 0 gnd-1.sym
N 45700 53800 45700 51900 4
N 54800 51200 54700 51200 4
N 53300 51600 54800 51600 4
N 53300 48500 53300 54400 4
N 54800 52000 54700 52000 4
N 54800 52400 54700 52400 4
C 53200 46500 1 0 0 gnd-1.sym
N 53300 46800 53300 46900 4
C 56900 53300 1 90 0 resistor-2.sym
{
T 56550 53700 5 10 0 0 90 0 1
device=RESISTOR
T 57000 53800 5 10 1 1 0 0 1
refdes=R201
T 57000 53600 5 10 1 1 0 0 1
value=10k
}
N 56600 53200 56800 53200 4
N 56800 53200 56800 53300 4
N 56800 54400 56800 54200 4
N 54200 47700 54200 53200 4
C 54800 49700 1 0 0 DS2762-1.sym
{
T 55095 54800 5 10 0 0 0 0 1
device=DS2762
T 55095 54400 5 10 0 0 0 0 1
footprint=TSSOP16
T 55095 53500 5 10 1 1 0 0 1
refdes=IC200
}
C 53100 46900 1 0 0 BAT54S-1.sym
{
T 53599 47195 5 10 1 1 0 0 1
refdes=D101
T 53498 49195 5 10 0 0 0 0 1
device=BAT54S
T 53498 48795 5 10 0 0 0 0 1
footprint=SOT23
}
N 53700 47700 56100 47700 4
C 46400 53200 1 270 0 capacitor-2.sym
{
T 47100 53000 5 10 0 0 270 0 1
device=POLARIZED_CAPACITOR
T 46900 52800 5 10 1 1 0 0 1
refdes=C102
T 47300 53000 5 10 0 0 270 0 1
symversion=0.1
T 46900 52600 5 10 1 1 0 0 1
value=10uF
}
N 48600 47900 49800 47900 4
C 47800 52300 1 270 1 led-3.sym
{
T 48450 53250 5 10 0 0 90 2 1
device=LED
T 48150 53250 5 10 1 1 0 2 1
refdes=D100
}
C 48100 53300 1 90 0 resistor-2.sym
{
T 47750 53700 5 10 0 0 90 0 1
device=RESISTOR
T 48200 53700 5 10 1 1 0 0 1
refdes=R100
}
C 47900 51600 1 0 0 gnd-1.sym
N 48000 52300 48000 51900 4
N 48000 53200 48000 53300 4
N 48000 54200 48000 54400 4
C 44800 47800 1 270 0 resistor-variable-2.sym
{
T 44250 47300 5 10 1 1 0 0 1
refdes=R300
T 45700 47000 5 10 0 1 270 0 1
device=VARIABLE_RESISTOR
}
N 45900 47300 45900 47400 4
N 45900 47300 45900 47200 4
C 52500 49500 1 90 1 resistor-variable-2.sym
{
T 53050 49000 5 10 1 1 0 6 1
refdes=R354
T 51600 48700 5 10 0 1 270 2 1
device=VARIABLE_RESISTOR
}
N 51900 49000 51500 49000 4
C 50600 51100 1 0 0 resistor-variable-2.sym
{
T 51250 51500 5 10 1 1 0 0 1
refdes=R352
T 51400 52000 5 10 0 1 0 0 1
device=VARIABLE_RESISTOR
}
N 51500 51200 51800 51200 4
N 50600 51200 49800 51200 4
N 51100 51700 51100 51800 4
N 50500 51800 51100 51800 4
N 50500 51800 50500 51200 4
N 50600 50200 50500 50200 4
N 50500 50200 50500 51200 4
N 51800 51200 51800 52800 4
N 51500 50200 51600 50200 4
N 51600 50200 51600 51200 4
T 49900 47000 9 10 1 0 0 0 1
Ground reference
T 51300 44900 9 10 1 0 0 0 1
pH to 1-Wire converter
T 55700 44600 9 10 1 0 0 0 1
Thomas Wagner Nielsen
T 55100 44600 9 10 1 0 0 0 1
1
T 51300 44600 9 10 1 0 0 0 1
ph_1wire.sch
T 52200 44300 9 10 1 0 0 0 1
1
T 52700 44300 9 10 1 0 0 0 1
1
T 55600 44300 9 10 1 0 0 0 1
<thomasATdiagramtips.com>
T 42400 55000 9 10 1 0 0 0 1
Coaxial power
T 42400 51600 9 10 1 0 0 0 1
BNC
T 56800 48900 9 10 1 0 0 0 1
RJ12 1-Wire
T 44400 50500 9 10 1 0 0 0 1
PCB trace must be short!
T 56700 51600 9 10 1 0 0 0 1
N.C.
T 56700 51200 9 10 1 0 0 0 1
N.C.
T 55700 48200 9 10 1 0 0 0 1
N.C.
T 55700 47900 9 10 1 0 0 0 1
N.C.
T 55700 47000 9 10 1 0 0 0 1
N.C.
T 55700 46700 9 10 1 0 0 0 1
N.C.