EESchema Schematic File Version 2 LIBS:power LIBS:device LIBS:transistors LIBS:conn LIBS:linear LIBS:regul LIBS:74xx LIBS:cmos4000 LIBS:adc-dac LIBS:memory LIBS:xilinx LIBS:special LIBS:microcontrollers LIBS:dsp LIBS:microchip LIBS:analog_switches LIBS:motorola LIBS:texas LIBS:intel LIBS:audio LIBS:interface LIBS:digital-audio LIBS:philips LIBS:display LIBS:cypress LIBS:siliconi LIBS:opto LIBS:atmel LIBS:contrib LIBS:valves LIBS:lf1600-cache EELAYER 27 0 EELAYER END $Descr A4 11693 8268 encoding utf-8 Sheet 1 5 Title "Xytronic LF-1600" Date "6 sep 2015" Rev "1.0" Comp "Reverse engineered by Michael Büsch " Comment1 "" Comment2 "" Comment3 "" Comment4 "" $EndDescr $Comp L ATMEGA88PA-P U1 U 1 1 5493288E P 4750 4750 F 0 "U1" H 4000 6000 40 0000 L BNN F 1 "ATMEGA88PA-PU" H 5150 3350 40 0000 L BNN F 2 "DIL28" H 4750 4750 30 0000 C CIN F 3 "" H 4750 4750 60 0000 C CNN 1 4750 4750 1 0 0 -1 $EndComp $Sheet S 2000 1150 950 200 U 549333F6 F0 "supply" 50 F1 "supply.sch" 50 $EndSheet Wire Wire Line 5750 3850 8800 3850 Wire Wire Line 5750 3950 8800 3950 Wire Wire Line 5750 4050 8800 4050 NoConn ~ 5750 4150 $Comp L R R8 U 1 1 54935809 P 6900 5100 F 0 "R8" V 6980 5100 40 0000 C CNN F 1 "10 k" V 6907 5101 40 0000 C CNN F 2 "~" V 6830 5100 30 0000 C CNN F 3 "~" H 6900 5100 30 0000 C CNN 1 6900 5100 0 -1 -1 0 $EndComp Wire Wire Line 5750 5100 6650 5100 Text GLabel 7350 5100 2 60 Input ~ 0 +5V $Comp L C C1 U 1 1 54935947 P 7250 4750 F 0 "C1" H 7250 4850 40 0000 L CNN F 1 "100 nF" H 7256 4665 40 0000 L CNN F 2 "~" H 7288 4600 30 0000 C CNN F 3 "~" H 7250 4750 60 0000 C CNN 1 7250 4750 1 0 0 -1 $EndComp Wire Wire Line 7150 5100 7350 5100 Text GLabel 7350 4400 2 60 Input ~ 0 GND Text GLabel 3650 5950 0 60 Input ~ 0 GND Wire Wire Line 3750 5850 3750 6350 Wire Wire Line 3750 5850 3850 5850 Wire Wire Line 3650 5950 3850 5950 $Comp L R R12 U 1 1 54935CDD P 2650 3950 F 0 "R12" V 2730 3950 40 0000 C CNN F 1 "33" V 2657 3951 40 0000 C CNN F 2 "~" V 2580 3950 30 0000 C CNN F 3 "~" H 2650 3950 30 0000 C CNN 1 2650 3950 0 -1 -1 0 $EndComp Wire Wire Line 2900 3950 3850 3950 $Comp L R R11 U 1 1 54935F81 P 3450 4850 F 0 "R11" V 3530 4850 40 0000 C CNN F 1 "100" V 3457 4851 40 0000 C CNN F 2 "~" V 3380 4850 30 0000 C CNN F 3 "~" H 3450 4850 30 0000 C CNN 1 3450 4850 0 -1 -1 0 $EndComp $Comp L C C7 U 1 1 54935FB7 P 2750 4850 F 0 "C7" H 2750 4950 40 0000 L CNN F 1 "47 µF / 16 V" H 2756 4765 40 0000 L CNN F 2 "~" H 2788 4700 30 0000 C CNN F 3 "~" H 2750 4850 60 0000 C CNN 1 2750 4850 0 -1 -1 0 $EndComp Wire Wire Line 3700 4850 3750 4850 Wire Wire Line 3750 5050 3750 4250 Wire Wire Line 3750 4250 3850 4250 Wire Wire Line 2950 4850 3200 4850 Text GLabel 2400 4850 0 60 Input ~ 0 GND Wire Wire Line 2400 4850 2550 4850 Text Label 2950 4850 0 60 ~ 0 + Text Label 2550 4850 0 60 ~ 0 - $Comp L TL431LP U3 U 1 1 54936DE8 P 2800 5550 F 0 "U3" H 2800 5650 70 0000 C CNN F 1 "TL431" H 2800 5450 70 0000 C CNN F 2 "" H 2800 5550 60 0000 C CNN F 3 "" H 2800 5550 60 0000 C CNN 1 2800 5550 0 -1 -1 0 $EndComp Text GLabel 3400 5550 2 60 Input ~ 0 GND Wire Wire Line 3300 5550 3400 5550 Wire Wire Line 2800 5150 2800 5050 Wire Wire Line 2200 5050 3750 5050 Connection ~ 3750 4850 Wire Wire Line 2300 5550 2200 5550 Wire Wire Line 2200 5550 2200 5050 Connection ~ 2800 5050 Text Label 3750 4650 1 60 ~ 0 2.5 V Wire Wire Line 7250 4950 7250 5100 Connection ~ 7250 5100 Wire Wire Line 5750 5250 8800 5250 Wire Wire Line 5750 5350 8800 5350 Wire Wire Line 5750 5450 8800 5450 Wire Wire Line 5750 5650 8800 5650 Wire Wire Line 5750 5750 8800 5750 Wire Wire Line 5750 5850 8800 5850 Wire Wire Line 5750 5950 8800 5950 Wire Wire Line 5750 5550 8800 5550 NoConn ~ 5750 4250 Wire Wire Line 5750 4350 6550 4350 Wire Wire Line 6550 4350 6550 6100 Connection ~ 3050 4850 Wire Wire Line 3050 4850 3050 3950 Text GLabel 2200 3650 0 60 Input ~ 0 +5V Wire Wire Line 2200 3650 3850 3650 Connection ~ 3050 3950 Wire Wire Line 2300 3650 2300 3950 Connection ~ 2300 3650 Wire Wire Line 2300 3950 2400 3950 Wire Wire Line 7850 3750 5750 3750 Wire Wire Line 7850 2300 7850 3750 Wire Wire Line 5750 4800 6250 4800 Wire Wire Line 6250 4800 6250 6200 Wire Wire Line 5750 4900 6150 4900 Wire Wire Line 6150 4900 6150 6300 Wire Wire Line 5750 5000 6050 5000 Wire Wire Line 6050 5000 6050 6400 Text Label 8050 6200 0 39 ~ 0 anode, big digit, left Text Label 8050 6300 0 39 ~ 0 anode, big digit, center Text Label 8050 6400 0 39 ~ 0 anode, big digit, right Text Label 8050 6100 0 39 ~ 0 anode, small digit Text Label 8200 5250 0 39 ~ 0 big: b; small: f Text Label 8200 5350 0 39 ~ 0 big: g; small: a Text Label 8200 5450 0 39 ~ 0 big: c; small: d Text Label 8200 5550 0 39 ~ 0 big: dp; small: e Text Label 8200 5650 0 39 ~ 0 big: d; small: c Text Label 8200 5750 0 39 ~ 0 big: e; small: dp Text Label 8200 5850 0 39 ~ 0 big: f; small: b Text Label 8200 5950 0 39 ~ 0 big: a; small: g $Sheet S 8800 3600 950 3000 U 549454DE F0 "user_interface" 50 F1 "user_interface.sch" 50 F2 "anode_big_left" I L 8800 6200 60 F3 "anode_big_center" I L 8800 6300 60 F4 "anode_big_right" I L 8800 6400 60 F5 "anode_small" I L 8800 6100 60 F6 "dp/e" I L 8800 5550 60 F7 "a/f" I L 8800 5250 60 F8 "g/a" I L 8800 5350 60 F9 "c/d" I L 8800 5450 60 F10 "d/c" I L 8800 5650 60 F11 "e/dp" I L 8800 5750 60 F12 "f/b" I L 8800 5850 60 F13 "a/g" I L 8800 5950 60 F14 "sw_set" I L 8800 3850 60 F15 "sw_minus" I L 8800 3950 60 F16 "sw_plus" I L 8800 4050 60 $EndSheet Wire Wire Line 6550 6100 8800 6100 Wire Wire Line 6250 6200 8800 6200 Wire Wire Line 6150 6300 8800 6300 Wire Wire Line 6050 6400 8800 6400 Wire Wire Line 7250 4550 7250 4400 Wire Wire Line 7250 4400 7350 4400 $Sheet S 8800 1150 950 1350 U 5496AC86 F0 "heater" 50 F1 "heater.sch" 50 F2 "heater_on" I L 8800 2300 60 F3 "current_measure" I L 8800 2200 60 $EndSheet Wire Wire Line 7850 2300 8800 2300 Wire Wire Line 5750 4700 6350 4700 Wire Wire Line 6350 4700 6350 2200 Wire Wire Line 6350 2200 8800 2200 $Sheet S 4350 1150 950 1350 U 5495298F F0 "temperature" 50 F1 "temperature.sch" 50 F2 "temp_measure" I R 5300 2200 60 F3 "iron_switch" I R 5300 2300 60 $EndSheet Wire Wire Line 6250 2200 6250 4600 Wire Wire Line 6250 4600 5750 4600 Wire Wire Line 6250 2200 5300 2200 Wire Wire Line 5750 3650 6150 3650 Wire Wire Line 6150 3650 6150 2300 Wire Wire Line 6150 2300 5300 2300 Text Notes 4550 6250 0 60 ~ 0 marked as 'HS-K67121' $Comp L C C1b U 1 1 54A1FCC7 P 3750 6550 F 0 "C1b" H 3750 6650 40 0000 L CNN F 1 "10 nF" H 3756 6465 40 0000 L CNN F 2 "~" H 3788 6400 30 0000 C CNN F 3 "~" H 3750 6550 60 0000 C CNN 1 3750 6550 1 0 0 -1 $EndComp Connection ~ 3750 5950 Text GLabel 3750 6850 3 60 Input ~ 0 +5V Wire Wire Line 3750 6750 3750 6850 Text Notes 3800 6750 0 60 ~ 0 added, because C1 is far\naway from VCC/GND pins Wire Wire Line 6450 1500 6450 4500 $Comp L DIODE D4 U 1 1 55EC2D4B P 6450 1300 F 0 "D4" H 6450 1400 40 0000 C CNN F 1 "DIODE" H 6450 1200 40 0000 C CNN F 2 "~" H 6450 1300 60 0000 C CNN F 3 "~" H 6450 1300 60 0000 C CNN 1 6450 1300 0 -1 -1 0 $EndComp $Comp L R R9 U 1 1 55EC2E11 P 6750 1250 F 0 "R9" V 6830 1250 40 0000 C CNN F 1 "R" V 6757 1251 40 0000 C CNN F 2 "~" V 6680 1250 30 0000 C CNN F 3 "~" H 6750 1250 30 0000 C CNN 1 6750 1250 1 0 0 -1 $EndComp Wire Wire Line 6750 1500 6750 1650 Wire Wire Line 6750 1650 6450 1650 Connection ~ 6450 1650 Text GLabel 6450 950 1 60 Input ~ 0 GND Wire Wire Line 6450 950 6450 1100 Text GLabel 6750 950 1 60 Input ~ 0 +5V Wire Wire Line 6750 950 6750 1000 Wire Wire Line 6450 4500 5750 4500 Wire Notes Line 6250 1550 6900 1000 Text Notes 6950 1200 0 60 ~ 0 D4 and R9\nare not assembled\non the board. Wire Notes Line 6250 1000 6900 1550 $EndSCHEMATC