+$Comp
+L 74xx:74HC14 U8
+U 1 1 5F7B3414
+P 750 2400
+F 0 "U8" V 550 2400 50 0000 L CNN
+F 1 "74HC14" H 750 2250 50 0000 L CNN
+F 2 "" H 750 2400 50 0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74HC14" H 750 2400 50 0001 C CNN
+ 1 750 2400
+ 0 1 1 0
+$EndComp
+Wire Wire Line
+ 750 2700 750 3150
+Wire Wire Line
+ 750 3150 1200 3150
+Wire Wire Line
+ 750 2100 750 1850
+Text Label 750 2050 1 50 ~ 0
+UCLK
+Wire Wire Line
+ 1200 1650 1250 1650
+$Comp
+L power:VCC #PWR025
+U 1 1 5F97FBA6
+P 1200 1650
+F 0 "#PWR025" H 1200 1500 50 0001 C CNN
+F 1 "VCC" H 1200 1800 50 0000 C CNN
+F 2 "" H 1200 1650 50 0001 C CNN
+F 3 "" H 1200 1650 50 0001 C CNN
+ 1 1200 1650
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 650 1350 650 1250
+$Comp
+L power:GND #PWR024
+U 1 1 5F96EC3C
+P 650 1350
+F 0 "#PWR024" H 650 1100 50 0001 C CNN
+F 1 "GND" H 655 1177 50 0000 C CNN
+F 2 "" H 650 1350 50 0001 C CNN
+F 3 "" H 650 1350 50 0001 C CNN
+ 1 650 1350
+ 1 0 0 -1
+$EndComp
+Connection ~ 1100 1250
+Wire Wire Line
+ 1050 1250 1100 1250
+$Comp
+L Switch:SW_Push SW1
+U 1 1 5F933400
+P 850 1250
+F 0 "SW1" H 850 1535 50 0000 C CNN
+F 1 "RESET" H 850 1444 50 0000 C CNN
+F 2 "" H 850 1450 50 0001 C CNN
+F 3 "~" H 850 1450 50 0001 C CNN
+ 1 850 1250
+ 1 0 0 -1
+$EndComp
+Connection ~ 1750 1050
+Wire Wire Line
+ 1400 1050 1750 1050
+Wire Wire Line
+ 1400 950 1400 1050
+Wire Wire Line
+ 1100 950 1400 950
+Wire Wire Line
+ 1100 1250 1250 1250
+$Comp
+L Device:R R6
+U 1 1 5F901EA0
+P 1100 1100
+F 0 "R6" H 1170 1146 50 0000 L CNN
+F 1 "1M" V 1100 1050 50 0000 L CNN
+F 2 "" V 1030 1100 50 0001 C CNN
+F 3 "~" H 1100 1100 50 0001 C CNN
+ 1 1100 1100
+ 1 0 0 -1
+$EndComp
+NoConn ~ 1250 1450
+$Comp
+L power:VCC #PWR028
+U 1 1 5F8CF8A4
+P 2600 1150
+F 0 "#PWR028" H 2600 1000 50 0001 C CNN
+F 1 "VCC" H 2617 1323 50 0000 C CNN
+F 2 "" H 2600 1150 50 0001 C CNN
+F 3 "" H 2600 1150 50 0001 C CNN
+ 1 2600 1150
+ 1 0 0 -1
+$EndComp
+Text Label 2250 1250 0 50 ~ 0
+RST
+Wire Wire Line
+ 2250 1250 2450 1250
+Wire Wire Line
+ 2600 1850 1750 1850
+Wire Wire Line
+ 2250 1650 2600 1650
+Connection ~ 2600 1450
+Wire Wire Line
+ 2600 1450 2600 1650
+$Comp
+L Device:C_Small C13
+U 1 1 5F880397
+P 2600 1750
+F 0 "C13" H 2509 1704 50 0000 R CNN
+F 1 "0.1uF" H 2509 1795 50 0000 R CNN
+F 2 "" H 2600 1750 50 0001 C CNN
+F 3 "~" H 2600 1750 50 0001 C CNN
+ 1 2600 1750
+ 1 0 0 1
+$EndComp
+Wire Wire Line
+ 2250 1450 2600 1450
+$Comp
+L Device:R R7
+U 1 1 5F8611FE
+P 2600 1300
+F 0 "R7" H 2650 1350 50 0000 L CNN
+F 1 "9.1k" V 2600 1200 50 0000 L CNN
+F 2 "" V 2530 1300 50 0001 C CNN
+F 3 "~" H 2600 1300 50 0001 C CNN
+ 1 2600 1300
+ 1 0 0 -1
+$EndComp
+$Comp
+L power:VCC #PWR026
+U 1 1 5F860836
+P 1750 1050
+F 0 "#PWR026" H 1750 900 50 0001 C CNN
+F 1 "VCC" H 1767 1223 50 0000 C CNN
+F 2 "" H 1750 1050 50 0001 C CNN
+F 3 "" H 1750 1050 50 0001 C CNN
+ 1 1750 1050
+ 1 0 0 -1
+$EndComp
+$Comp
+L power:GND #PWR027
+U 1 1 5F860553
+P 1750 1850
+F 0 "#PWR027" H 1750 1600 50 0001 C CNN
+F 1 "GND" H 1755 1677 50 0000 C CNN
+F 2 "" H 1750 1850 50 0001 C CNN
+F 3 "" H 1750 1850 50 0001 C CNN
+ 1 1750 1850
+ 1 0 0 -1
+$EndComp
+$Comp
+L Timer:LM555 U9
+U 1 1 5F85DCB5
+P 1750 1450
+F 0 "U9" H 1900 1800 50 0000 C CNN
+F 1 "LM555" H 1750 1450 50 0000 C CNN
+F 2 "" H 1750 1450 50 0001 C CNN
+F 3 "http://www.ti.com/lit/ds/symlink/lm555.pdf" H 1750 1450 50 0001 C CNN
+ 1 1750 1450
+ 1 0 0 -1
+$EndComp
+$Comp
+L 74xx:74LS05 U10
+U 1 1 5F9CB042
+P 2350 800
+F 0 "U10" H 2350 650 50 0000 C CNN
+F 1 "74LS05" H 2450 950 50 0000 C CNN
+F 2 "" H 2350 800 50 0001 C CNN
+F 3 "http://www.ti.com/lit/gpn/sn74LS05" H 2350 800 50 0001 C CNN
+ 1 2350 800
+ 1 0 0 -1
+$EndComp
+Wire Wire Line
+ 2050 800 2050 1050
+Wire Wire Line
+ 2050 1050 2450 1050
+Wire Wire Line
+ 2450 1050 2450 1250
+Text Label 2750 800 0 50 ~ 0
+~RST
+$Comp
+L Device:R R5
+U 1 1 5FA0761C
+P 950 2700
+F 0 "R5" H 1020 2746 50 0000 L CNN
+F 1 "4.7k" V 950 2600 50 0000 L CNN
+F 2 "" V 880 2700 50 0001 C CNN
+F 3 "~" H 950 2700 50 0001 C CNN
+ 1 950 2700
+ 1 0 0 -1
+$EndComp
+Text Notes 1250 700 0 50 ~ 0
+Power-on reset
+Wire Wire Line
+ 2650 800 2900 800
+Wire Wire Line
+ 950 2850 1200 2850
+Wire Wire Line
+ 950 2550 1900 2550
+Connection ~ 1900 2550
+Connection ~ 2600 1650
+Connection ~ 1750 1850
+$Comp
+L Device:C_Small C?
+U 1 1 5FC80F1C
+P 1100 1700
+F 0 "C?" H 1009 1654 50 0000 R CNN
+F 1 "0.1uF" H 1009 1745 50 0000 R CNN
+F 2 "" H 1100 1700 50 0001 C CNN
+F 3 "~" H 1100 1700 50 0001 C CNN
+ 1 1100 1700
+ 1 0 0 1
+$EndComp
+Wire Wire Line
+ 1100 1800 1100 1850
+Wire Wire Line
+ 1100 1850 1750 1850
+Wire Wire Line
+ 1100 1600 1100 1250