--- /dev/null
+v 20140308 2
+C 40900 38200 0 0 0 title-A3-2.sym
+{
+T 53200 39500 15 30 1 1 0 4 1
+Title=Fan Control
+T 52300 38500 15 16 1 1 0 4 1
+filename=filename.sch
+T 56750 39700 15 16 1 1 0 4 1
+revision=1
+T 56950 38300 15 16 1 1 0 6 1
+page=1
+T 57100 38300 15 16 1 1 0 0 1
+number_of_pages=1
+T 56750 39050 15 12 1 1 0 4 1
+date=1/1/2016
+T 55350 38650 15 16 1 1 0 4 1
+author=Pat Thoyts
+T 41100 50500 15 8 0 0 0 0 1
+symversion=1.0
+}
+C 43900 47400 1 0 0 78L05.sym
+{
+T 44200 48600 5 10 1 1 0 0 1
+value=78L05
+T 44200 48800 5 10 1 1 0 0 1
+refdes=U1
+T 44200 48400 5 8 1 1 0 0 1
+footprint=SO8
+}
+C 41400 47700 1 0 0 pwrjack-1.sym
+{
+T 41500 48200 5 10 0 0 0 0 1
+device=PWRJACK
+T 41400 47500 5 10 1 1 0 0 1
+refdes=CONN1
+T 41400 47300 5 10 1 1 0 0 1
+value=POWER IN
+T 41400 47100 5 10 0 1 0 0 1
+footprint=pwrjack21.fp
+}
+C 42800 48000 1 270 0 capacitor-4.sym
+{
+T 43900 47800 5 10 0 0 270 0 1
+device=POLARIZED_CAPACITOR
+T 43300 47600 5 10 1 1 0 0 1
+refdes=C1
+T 43500 47800 5 10 0 0 270 0 1
+symversion=0.1
+T 43300 47400 5 10 1 1 0 0 1
+value=4.7uF
+T 43300 47200 5 10 0 1 0 0 1
+footprint=EIA3216
+}
+C 45800 48000 1 270 0 capacitor-4.sym
+{
+T 46900 47800 5 10 0 0 270 0 1
+device=POLARIZED_CAPACITOR
+T 46300 47600 5 10 1 1 0 0 1
+refdes=C2
+T 46500 47800 5 10 0 0 270 0 1
+symversion=0.1
+T 46300 47400 5 10 1 1 0 0 1
+value=1uF
+T 45800 48000 5 10 0 1 0 0 1
+footprint=EIA3216
+}
+C 46700 48000 1 270 0 capacitor-1.sym
+{
+T 47400 47800 5 10 0 0 270 0 1
+device=CAPACITOR
+T 47200 47600 5 10 1 1 0 0 1
+refdes=C3
+T 47600 47800 5 10 0 0 270 0 1
+symversion=0.1
+T 47200 47400 5 10 1 1 0 0 1
+value=100nF
+T 46700 48000 5 10 0 1 0 0 1
+footprint=0805
+}
+C 41200 43900 1 0 0 con_1x2.sym
+{
+T 41200 44300 5 10 1 1 0 0 1
+refdes=CONN2
+T 41200 44100 5 10 1 1 0 0 1
+value=FAN
+T 41200 43900 5 8 1 1 0 0 1
+footprint=1x2PIN
+T 41200 46100 5 8 0 0 0 0 1
+symversion=2.0
+}
+C 43100 42900 1 0 1 nmosfet_power.sym
+{
+T 42400 43500 5 10 1 1 0 6 1
+refdes=Q1
+T 41600 43300 5 10 1 1 0 0 1
+value=2N7000
+T 42400 43100 5 8 1 1 0 6 1
+footprint=TO92
+T 42800 44900 5 8 0 0 0 6 1
+symversion=1.1
+}
+C 43300 42200 1 0 0 res_vert.sym
+{
+T 43400 45000 5 8 0 0 0 0 1
+device=resistor
+T 43600 42400 5 8 1 1 0 0 1
+footprint=0805
+T 43600 42800 5 10 1 1 0 0 1
+refdes=R1
+T 43600 42600 5 10 1 1 0 0 1
+value=1M
+T 43400 44200 5 8 0 0 0 0 1
+symversion=1.0
+}
+C 42300 44300 1 0 0 diode_vert.sym
+{
+T 42850 44900 5 10 1 1 0 0 1
+refdes=D1
+T 42850 44700 5 10 1 1 0 0 1
+value=CD4148
+T 42850 44500 5 8 1 1 0 0 1
+footprint=dio_0805
+T 42500 46300 5 8 0 0 0 0 1
+symversion=1.0
+}
+N 42300 47800 42500 47800 4
+N 42500 46900 42500 47800 4
+N 46900 47100 46900 46900 4
+N 46900 46900 42500 46900 4
+N 44700 47400 44700 46900 4
+N 46000 47100 46000 46900 4
+N 43000 47100 43000 46900 4
+N 42300 48000 43900 48000 4
+N 45500 48000 46900 48000 4
+C 42500 48300 1 0 0 12V-plus-1.sym
+C 43900 46600 1 0 0 gnd-1.sym
+N 42700 48300 42700 48000 4
+N 46400 48300 46400 48000 4
+N 41700 45100 42600 45100 4
+C 42000 45700 1 0 0 12V-plus-1.sym
+N 42200 45700 42200 45100 4
+N 42600 43700 42600 44600 4
+C 42500 41900 1 0 0 gnd-1.sym
+N 43100 43100 44000 43100 4
+N 43400 43100 43400 43000 4
+N 43400 42400 43400 42200 4
+N 42600 42200 43400 42200 4
+N 41700 44700 42100 44700 4
+N 42100 44700 42100 44400 4
+N 42600 42900 42600 42200 4
+N 42100 44400 42600 44400 4
+C 45400 43000 1 0 1 input-2.sym
+{
+T 45400 43200 5 10 0 0 0 6 1
+net=FAN:1
+T 44800 43700 5 10 0 0 0 6 1
+device=none
+T 44400 43100 5 10 1 1 0 1 1
+value=FAN
+}
+C 49000 43300 1 0 0 attiny85.sym
+{
+T 52900 45500 5 10 1 1 0 6 1
+refdes=U2
+T 49300 46600 5 10 0 0 0 0 1
+device=ATtiny85
+T 49300 46800 5 10 0 0 0 0 1
+footprint=SOIC-127P-1030L1-8N
+}
+C 47600 44200 1 270 0 capacitor-1.sym
+{
+T 48300 44000 5 10 0 0 270 0 1
+device=CAPACITOR
+T 48100 43800 5 10 1 1 0 0 1
+refdes=C3
+T 48500 44000 5 10 0 0 270 0 1
+symversion=0.1
+T 48100 43600 5 10 1 1 0 0 1
+value=100nF
+T 47600 44200 5 10 0 1 0 0 1
+footprint=0805
+}
+C 53200 43600 1 0 0 nc-right-1.sym
+{
+T 53300 44100 5 10 0 0 0 0 1
+value=NoConnection
+T 53300 44300 5 10 0 0 0 0 1
+device=DRC_Directive
+}
+C 54800 43900 1 0 0 output-2.sym
+{
+T 55700 44100 5 10 0 0 0 0 1
+net=FAN:1
+T 55000 44600 5 10 0 0 0 0 1
+device=none
+T 55100 44000 5 10 1 1 0 1 1
+value=FAN
+}
+C 54800 44200 1 0 0 output-2.sym
+{
+T 55700 44400 5 10 0 0 0 0 1
+net=LED:1
+T 55000 44900 5 10 0 0 0 0 1
+device=none
+T 55100 44300 5 10 1 1 0 1 1
+value=LED
+}
+C 48400 43000 1 0 0 gnd-1.sym
+N 49000 43300 47800 43300 4
+N 49000 43700 49000 43300 4
+N 49000 44200 47800 44200 4
+N 48500 44300 48500 44200 4
+C 40700 40000 1 0 0 input-2.sym
+{
+T 40700 40200 5 10 0 0 0 0 1
+net=LED:1
+T 41300 40700 5 10 0 0 0 0 1
+device=none
+T 41700 40100 5 10 1 1 0 7 1
+value=LED
+}
+C 42000 39600 1 0 0 res_horiz.sym
+{
+T 42300 42600 5 8 0 0 0 0 1
+device=resistor
+T 42300 39800 5 10 1 1 0 0 1
+refdes=R3
+T 42300 39600 5 10 1 1 0 0 1
+value=1K
+T 42300 39400 5 8 1 1 0 0 1
+footprint=0805
+T 42300 41600 5 8 0 0 0 0 1
+symversion=1.0
+}
+C 43100 39400 1 0 0 led.sym
+{
+T 43800 40000 5 10 1 1 0 0 1
+refdes=D2
+T 43800 39600 5 8 1 1 0 0 1
+footprint=0805
+T 43800 39800 5 10 1 1 0 0 1
+value=yellow
+T 43100 39400 5 10 0 1 0 0 1
+footprint=switch.fp
+}
+C 43400 39100 1 0 0 gnd-1.sym
+N 42100 40100 42200 40100 4
+N 42800 40100 43500 40100 4
+N 43500 39600 43500 39400 4
+C 54300 47700 1 0 0 icsp6-mpan-4.sym
+{
+T 54000 47800 5 10 0 1 0 0 1
+device=HEADER6
+T 54295 47698 5 10 0 1 0 0 1
+footprint=HEADER6_2
+T 54300 47700 5 10 0 2 0 0 1
+value=ICSP
+T 54300 47700 5 10 0 0 0 0 1
+documentation=ICSP programming header may be unpopulated if using pogo pins.
+T 55100 48600 5 10 1 1 0 0 1
+refdes=CONN141
+}
+C 56100 48600 1 0 0 vcc-1.sym
+C 56200 47600 1 0 0 gnd-1.sym
+N 56100 48400 56300 48400 4
+N 56300 48400 56300 48600 4
+N 56100 48000 56300 48000 4
+N 56300 48000 56300 47900 4
+C 57500 48100 1 0 1 input-2.sym
+{
+T 57500 48300 5 10 0 0 0 6 1
+net=MOSI:1
+T 56900 48800 5 10 0 0 0 6 1
+device=none
+T 56400 48200 5 10 1 1 0 1 1
+value=MOSI
+}
+C 54300 47900 1 0 1 output-2.sym
+{
+T 53400 48100 5 10 0 0 0 6 1
+net=RST:1
+T 54100 48600 5 10 0 0 0 6 1
+device=none
+T 54000 48000 5 10 1 1 0 7 1
+value=RST
+}
+C 54300 48100 1 0 1 output-2.sym
+{
+T 53400 48300 5 10 0 0 0 6 1
+net=SCK:1
+T 54100 48800 5 10 0 0 0 6 1
+device=none
+T 54000 48200 5 10 1 1 0 7 1
+value=SCK
+}
+C 54300 48300 1 0 1 output-2.sym
+{
+T 53400 48500 5 10 0 0 0 6 1
+net=MISO:1
+T 54100 49000 5 10 0 0 0 6 1
+device=none
+T 54100 48400 5 10 1 1 0 7 1
+value=MISO
+}
+B 53200 47500 3800 1900 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+T 53400 49100 9 10 1 0 0 0 1
+4: ICSP header
+C 46200 48300 1 0 0 vcc-1.sym
+C 48300 44300 1 0 0 vcc-1.sym
+C 46500 39400 1 0 0 res_horiz.sym
+{
+T 46800 42400 5 8 0 0 0 0 1
+device=resistor
+T 46800 39600 5 10 1 1 0 0 1
+refdes=R2
+T 46800 39400 5 10 1 1 0 0 1
+value=10K
+T 46800 39200 5 8 1 1 0 0 1
+footprint=0805
+T 46800 41400 5 8 0 0 0 0 1
+symversion=1.0
+}
+C 45300 39800 1 0 0 input-2.sym
+{
+T 45300 40000 5 10 0 0 0 0 1
+net=RST:1
+T 45900 40500 5 10 0 0 0 0 1
+device=none
+T 46300 39900 5 10 1 1 0 7 1
+value=RST
+}
+C 47600 45100 1 0 0 input-2.sym
+{
+T 47600 45300 5 10 0 0 0 0 1
+net=RST:1
+T 48200 45800 5 10 0 0 0 0 1
+device=none
+T 48600 45200 5 10 1 1 0 7 1
+value=RST
+}
+C 47300 40300 1 0 0 vcc-1.sym
+N 47300 39900 47800 39900 4
+N 47500 39900 47500 40300 4
+C 54600 44500 1 0 1 input-2.sym
+{
+T 54600 44700 5 10 0 0 0 6 1
+net=MISO:1
+T 54000 45200 5 10 0 0 0 6 1
+device=none
+T 53500 44600 5 10 1 1 0 1 1
+value=MISO
+}
+C 54600 45700 1 90 1 input-2.sym
+{
+T 54400 45700 5 10 0 0 90 6 1
+net=SCK:1
+T 53900 45100 5 10 0 0 90 6 1
+device=none
+T 54500 44600 5 10 1 1 90 1 1
+value=SCK
+}
+C 53200 44800 1 0 0 output-2.sym
+{
+T 54100 45000 5 10 0 0 0 0 1
+net=MOSI:1
+T 53400 45500 5 10 0 0 0 0 1
+device=none
+T 53500 44900 5 10 1 1 0 1 1
+value=MOSI
+}
+N 54800 44300 53200 44300 4
+N 54800 44000 53200 44000 4
+C 47800 39900 1 0 0 switch-pushbutton-no-1.sym
+{
+T 48200 40200 5 10 1 1 0 0 1
+refdes=S1
+T 48200 40500 5 10 0 0 0 0 1
+device=SWITCH_PUSHBUTTON_NO
+T 47800 39900 5 10 0 1 0 0 1
+footprint=SW_Small
+}
+C 48900 39300 1 0 0 gnd-1.sym
+N 48800 39900 49000 39900 4
+N 49000 39900 49000 39600 4
+B 41100 46500 6900 2900 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+B 45600 38700 4000 2400 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+B 41100 38700 4100 2500 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+B 41100 41700 4400 4500 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+B 47000 42300 8700 3800 3 0 1 0 -1 -1 0 -1 -1 -1 -1 -1
+T 47300 45800 9 12 1 0 0 0 1
+1: Microcontroller
+T 41200 49100 9 12 1 0 0 0 1
+2: Power regulation
+T 44000 45900 9 12 1 0 0 0 1
+3: Fan control
+T 41200 40800 9 12 1 0 0 0 1
+5: Heartbeat indicator
+T 45700 40800 9 12 1 0 0 0 1
+6: Reset circuit
+T 52200 40200 9 10 1 0 0 0 4
+Fan marked as 24V 0.033A.
+Measured 20mA normal use, 40mA stalled at 12V.
+Note: Inductive load hence bypass diode.
+2N7000 max continuous current Id is 200mA.
--- /dev/null
+v 20140308 2
+P 4200 1600 3900 1600 1 0 0
+{
+T 4000 1650 5 8 1 1 0 0 1
+pinnumber=5
+T 4300 1750 5 8 0 1 0 2 1
+pinseq=5
+T 3850 1600 9 8 1 1 0 6 1
+pinlabel=PB0/AREF/DI/OC1A/AIN0/OC0A/SDA/MOSI
+T 3850 1600 5 8 0 1 0 8 1
+pintype=io
+}
+P 0 1900 300 1900 1 0 0
+{
+T 200 1950 5 8 1 1 0 6 1
+pinnumber=1
+T -100 2050 5 8 0 1 0 8 1
+pinseq=1
+T 350 1900 9 8 1 1 0 0 1
+pinlabel=PB5/\_RESET\_/dW/ADC0
+T 350 1900 5 8 0 1 0 2 1
+pintype=io
+}
+P 4200 1300 3900 1300 1 0 0
+{
+T 4000 1350 5 8 1 1 0 0 1
+pinnumber=6
+T 4300 1450 5 8 0 1 0 2 1
+pinseq=6
+T 3850 1300 9 8 1 1 0 6 1
+pinlabel=PB1/DO/OC1A/AIN1/OC0B/MISO
+T 3850 1300 5 8 0 1 0 8 1
+pintype=io
+}
+P 4200 1000 3900 1000 1 0 0
+{
+T 4000 1050 5 8 1 1 0 0 1
+pinnumber=7
+T 4300 1150 5 8 0 1 0 2 1
+pinseq=7
+T 3850 1000 9 8 1 1 0 6 1
+pinlabel=PB2/ADC1/T0/ISCK/INT0/SCL/SCK
+T 3850 1000 5 8 0 1 0 8 1
+pintype=io
+}
+P 0 900 300 900 1 0 0
+{
+T 200 950 5 8 1 1 0 6 1
+pinnumber=8
+T 200 850 5 8 0 1 0 8 1
+pinseq=8
+T 350 900 9 8 1 1 0 0 1
+pinlabel=VCC
+T 350 900 5 8 0 1 0 2 1
+pintype=pwr
+}
+P 0 400 300 400 1 0 0
+{
+T 200 450 5 8 1 1 0 6 1
+pinnumber=4
+T 200 350 5 8 0 1 0 8 1
+pinseq=4
+T 350 400 9 8 1 1 0 0 1
+pinlabel=GND
+T 350 400 5 8 0 1 0 2 1
+pintype=pwr
+}
+B 300 100 3600 2000 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
+T 3900 2200 8 10 1 1 0 6 1
+refdes=U?
+T 300 2200 9 10 1 0 0 0 1
+ATtiny85
+T 300 3300 5 10 0 0 0 0 1
+device=ATtiny85
+T 300 3500 5 10 0 0 0 0 1
+footprint=SOIC-127P-1030L1-8N
+T 300 3700 5 10 0 0 0 0 1
+author=pat.thoyts@gmail.com
+T 300 3900 5 10 0 0 0 0 1
+documentation=http://www.atmel.com/Images/Atmel-2586-AVR-8-bit-Microcontroller-ATtiny25-ATtiny45-ATtiny85_Datasheet.pdf
+T 300 4100 5 10 0 0 0 0 1
+description=ATtiny85 microcontroller
+T 300 4300 5 10 0 0 0 0 1
+dist-license=GPL
+T 300 4500 5 10 0 0 0 0 1
+use-license=unlimited
+P 4200 700 3900 700 1 0 0
+{
+T 4000 750 5 8 1 1 0 0 1
+pinnumber=2
+T 4300 850 5 8 0 1 0 2 1
+pinseq=2
+T 3850 700 9 8 1 1 0 6 1
+pinlabel=PB3/XTAL1/OC1B/CLKI/ADC3
+T 3850 700 5 8 0 1 0 8 1
+pintype=io
+}
+P 4200 400 3900 400 1 0 0
+{
+T 4000 450 5 8 1 1 0 0 1
+pinnumber=3
+T 4300 550 5 8 0 1 0 2 1
+pinseq=3
+T 3850 400 9 8 1 1 0 6 1
+pinlabel=PB4/XTAL2/OC1B/CLKO/ADC2
+T 3850 400 5 8 0 1 0 8 1
+pintype=io
+}