Add SMPS

frontend.sch

@@ -19,7 +19,7 @@ Text HLabel 10000 1600 2    50   Output ~ 0
 FORCE-
 Text HLabel 10000 1400 2    50   Input ~ 0
 SENS+
-Text HLabel 10000 1500 2    50   Output ~ 0
+Text HLabel 10000 1500 2    50   Input ~ 0
 SENS-
 Wire Wire Line
 	10000 1500 9550 1500
@@ -105,8 +105,6 @@ F 3 "" H 9800 4650 50  0001 C CNN
 	1    9800 4650
 	1    0    0    -1  
 $EndComp
-Text Label 6350 1350 2    50   ~ 0
-F+
 $Comp
 L Device:C C307
 U 1 1 5D918057
@@ -127,7 +125,7 @@ Wire Wire Line
 	5500 1400 5500 1350
 Connection ~ 5500 1350
 Wire Wire Line
-	5500 1350 6350 1350
+	5500 1350 5750 1350
 $Comp
 L Device:R R303
 U 1 1 5D929598
@@ -301,99 +299,6 @@ F 3 "" H 10350 3000 50  0001 C CNN
 	1    10350 3000
 	1    0    0    -1  
 $EndComp
-$Comp
-L Sensor_Temperature:DS18B20 U303
-U 1 1 5E08DC55
-P 5350 6850
-F 0 "U303" H 5120 6896 50  0000 R CNN
-F 1 "DS18B20" H 5120 6805 50  0000 R CNN
-F 2 "Package_TO_SOT_THT:TO-92_Inline" H 4350 6600 50  0001 C CNN
-F 3 "http://datasheets.maximintegrated.com/en/ds/DS18B20.pdf" H 5200 7100 50  0001 C CNN
-	1    5350 6850
-	-1   0    0    -1  
-$EndComp
-$Comp
-L Device:C C308
-U 1 1 5E096137
-P 6050 6850
-F 0 "C308" V 5798 6850 50  0000 C CNN
-F 1 "100n" V 5889 6850 50  0000 C CNN
-F 2 "Capacitor_SMD:C_0603_1608Metric" H 6088 6700 50  0001 C CNN
-F 3 "~" H 6050 6850 50  0001 C CNN
-	1    6050 6850
-	-1   0    0    1   
-$EndComp
-Wire Wire Line
-	6050 7000 6050 7250
-Wire Wire Line
-	6050 7250 5350 7250
-Wire Wire Line
-	5350 7250 5350 7150
-Wire Wire Line
-	5350 7250 5350 7350
-Connection ~ 5350 7250
-Wire Wire Line
-	6050 6700 6050 6400
-Wire Wire Line
-	6050 6400 5350 6400
-Wire Wire Line
-	5350 6400 5350 6550
-Wire Wire Line
-	5350 6400 5350 6300
-Connection ~ 5350 6400
-$Comp
-L power:+3V3 #PWR0308
-U 1 1 5E0AC49E
-P 5350 6200
-F 0 "#PWR0308" H 5350 6050 50  0001 C CNN
-F 1 "+3V3" H 5365 6373 50  0000 C CNN
-F 2 "" H 5350 6200 50  0001 C CNN
-F 3 "" H 5350 6200 50  0001 C CNN
-	1    5350 6200
-	1    0    0    -1  
-$EndComp
-$Comp
-L power:GND #PWR0309
-U 1 1 5E0AE6F5
-P 5350 7350
-F 0 "#PWR0309" H 5350 7100 50  0001 C CNN
-F 1 "GND" H 5355 7177 50  0000 C CNN
-F 2 "" H 5350 7350 50  0001 C CNN
-F 3 "" H 5350 7350 50  0001 C CNN
-	1    5350 7350
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	5050 6850 4700 6850
-$Comp
-L Device:R R313
-U 1 1 5E0B45CD
-P 4700 6600
-F 0 "R313" H 4770 6646 50  0000 L CNN
-F 1 "4k7" H 4770 6555 50  0000 L CNN
-F 2 "Resistor_SMD:R_0603_1608Metric" V 4630 6600 50  0001 C CNN
-F 3 "~" H 4700 6600 50  0001 C CNN
-	1    4700 6600
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	4700 6750 4700 6850
-Connection ~ 4700 6850
-Wire Wire Line
-	4700 6850 4600 6850
-Wire Wire Line
-	4700 6450 4700 6300
-Wire Wire Line
-	4700 6300 5350 6300
-Connection ~ 5350 6300
-Wire Wire Line
-	5350 6300 5350 6200
-Text HLabel 4600 6850 0    50   BiDi ~ 0
-FRONTEND_TEMP
-Wire Notes Line
-	3800 7700 3800 5750
-Text Notes 3850 6000 0    50   ~ 0
-Optional. Presence is detected in SW\nPopulate this circuitry, if a temperature compensation\nof the frontend is wanted
 Text Notes 5450 750  0    100  ~ 20
 Use low drift types for the marked resistors
 Wire Notes Line
@@ -448,12 +353,6 @@ F 3 "" H 6250 4900 50  0001 C CNN
 	1    6250 4900
 	1    0    0    -1  
 $EndComp
-Wire Notes Line
-	3800 5750 6500 5750
-Wire Notes Line
-	3950 7700 6500 7700
-Wire Notes Line
-	6500 5750 6500 7700
 Wire Wire Line
 	2700 1650 2700 2050
 $Comp
@@ -688,7 +587,7 @@ F 3 "~" H 4350 5250 50  0001 C CNN
 	-1   0    0    1   
 $EndComp
 Wire Wire Line
-	4350 5100 4350 4350
+	4350 5100 4350 4500
 Wire Wire Line
 	4350 4350 5600 4350
 Connection ~ 4350 4350
@@ -706,7 +605,7 @@ F 3 "~" H 5600 4200 50  0001 C CNN
 	-1   0    0    1   
 $EndComp
 Wire Wire Line
-	5600 4050 5600 3900
+	5600 4050 5600 4000
 Connection ~ 5600 3900
 Wire Notes Line
 	5200 3950 5700 3950
@@ -784,7 +683,7 @@ U 1 1 5E55CA76
 P 2400 1900
 F 0 "C301" H 2515 1946 50  0000 L CNN
 F 1 "10u" H 2515 1855 50  0000 L CNN
-F 2 "Capacitor_SMD:C_1210_3225Metric" H 2438 1750 50  0001 C CNN
+F 2 "Capacitor_SMD:C_0805_2012Metric" H 2438 1750 50  0001 C CNN
 F 3 "~" H 2400 1900 50  0001 C CNN
 	1    2400 1900
 	1    0    0    -1  
@@ -1177,4 +1076,98 @@ F 3 "" H 6800 3600 50  0001 C CNN
 	1    6800 3600
 	1    0    0    -1  
 $EndComp
+$Comp
+L Device:RF_Shield_Two_Pieces J301
+U 1 1 5EC2A452
+P 4300 6550
+F 0 "J301" H 5030 6614 50  0000 L CNN
+F 1 "RF_Shield_Two_Pieces" H 5030 6523 50  0000 L CNN
+F 2 "RF_Shielding:Wuerth_36103205_20x20mm" H 4300 6450 50  0001 C CNN
+F 3 "~" H 4300 6450 50  0001 C CNN
+	1    4300 6550
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:GND #PWR0119
+U 1 1 5EC2C0DF
+P 4300 6950
+F 0 "#PWR0119" H 4300 6700 50  0001 C CNN
+F 1 "GND" H 4305 6777 50  0000 C CNN
+F 2 "" H 4300 6950 50  0001 C CNN
+F 3 "" H 4300 6950 50  0001 C CNN
+	1    4300 6950
+	1    0    0    -1  
+$EndComp
+$Comp
+L Transistor_BJT:BC818 Q301
+U 1 1 5EC3641B
+P 5950 1350
+F 0 "Q301" H 6141 1396 50  0000 L CNN
+F 1 "BC818" H 6141 1305 50  0000 L CNN
+F 2 "Package_TO_SOT_SMD:SOT-23" H 6150 1275 50  0001 L CIN
+F 3 "https://www.fairchildsemi.com/datasheets/BC/BC818.pdf" H 5950 1350 50  0001 L CNN
+	1    5950 1350
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6050 1550 6050 1600
+Wire Wire Line
+	6050 1600 6350 1600
+Text Label 6350 1600 2    50   ~ 0
+F+
+$Comp
+L power:+3.3VA #PWR0120
+U 1 1 5EC472C5
+P 6050 1050
+F 0 "#PWR0120" H 6050 900 50  0001 C CNN
+F 1 "+3.3VA" H 6065 1223 50  0000 C CNN
+F 2 "" H 6050 1050 50  0001 C CNN
+F 3 "" H 6050 1050 50  0001 C CNN
+	1    6050 1050
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6050 1050 6050 1150
+Text Label 5800 1000 2    50   ~ 0
+F+
+Wire Wire Line
+	5500 1000 5800 1000
+Wire Wire Line
+	5500 1300 5500 1350
+$Comp
+L Device:R R313
+U 1 1 5EC608B5
+P 5500 1150
+F 0 "R313" H 5570 1196 50  0000 L CNN
+F 1 "DNP" H 5570 1105 50  0000 L CNN
+F 2 "Resistor_SMD:R_0603_1608Metric" V 5430 1150 50  0001 C CNN
+F 3 "~" H 5500 1150 50  0001 C CNN
+	1    5500 1150
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:C C308
+U 1 1 5ED2BEDF
+P 5800 4300
+F 0 "C308" H 5915 4346 50  0000 L CNN
+F 1 "100n" H 5915 4255 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 5838 4150 50  0001 C CNN
+F 3 "~" H 5800 4300 50  0001 C CNN
+	1    5800 4300
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	5800 4150 5800 4000
+Wire Wire Line
+	5800 4000 5600 4000
+Connection ~ 5600 4000
+Wire Wire Line
+	5600 4000 5600 3900
+Connection ~ 4350 4500
+Wire Wire Line
+	4350 4500 4350 4350
+Wire Wire Line
+	5800 4500 5800 4450
+Wire Wire Line
+	4350 4500 5800 4500
 $EndSCHEMATC

reflow-oven-control-pcb-cache.lib

@@ -39,25 +39,6 @@ X 2Y3 9 500 -200 200 L 50 50 1 0 T
 ENDDRAW
 ENDDEF
 #
-# Connector_Generic_Conn_01x02
-#
-DEF Connector_Generic_Conn_01x02 J 0 40 Y N 1 F N
-F0 "J" 0 100 50 H V C CNN
-F1 "Connector_Generic_Conn_01x02" 0 -200 50 H V C CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
-$FPLIST
- Connector*:*_1x??_*
-$ENDFPLIST
-DRAW
-S -50 -95 0 -105 1 1 6 N
-S -50 5 0 -5 1 1 6 N
-S -50 50 50 -150 1 1 10 f
-X Pin_1 1 -200 0 150 R 50 50 1 1 P
-X Pin_2 2 -200 -100 150 R 50 50 1 1 P
-ENDDRAW
-ENDDEF
-#
 # Connector_Generic_Conn_01x05
 #
 DEF Connector_Generic_Conn_01x05 J 0 40 Y N 1 F N
@@ -193,6 +174,37 @@ X 1 1 0 0 100 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Converter_ACDC_IRM-05-5
+#
+DEF Converter_ACDC_IRM-05-5 PS 0 20 Y Y 1 F N
+F0 "PS" 0 250 50 H V C CNN
+F1 "Converter_ACDC_IRM-05-5" 0 -250 50 H V C CNN
+F2 "Converter_ACDC:Converter_ACDC_MeanWell_IRM-05-xx_THT" 0 -350 50 H I C CNN
+F3 "" 0 -400 50 H I C CNN
+ALIAS IRM-05-5 IRM-05-12 IRM-05-15 IRM-05-24
+$FPLIST
+ Converter*ACDC*MeanWell*IRM*05*THT*
+$ENDFPLIST
+DRAW
+A -185 38 28 -1525 -275 0 1 0 N -210 25 -160 25
+A -135 11 29 292 1508 0 1 0 N -110 25 -160 25
+S -300 200 300 -200 0 1 10 f
+P 2 0 1 0 -210 -25 -110 -25 N
+P 2 0 1 0 0 -100 0 -150 N
+P 2 0 1 0 0 0 0 -50 N
+P 2 0 1 0 0 100 0 50 N
+P 2 0 1 0 0 200 0 150 N
+P 2 0 1 0 110 -25 210 -25 N
+P 2 0 1 0 110 25 130 25 N
+P 2 0 1 0 150 25 170 25 N
+P 2 0 1 0 190 25 210 25 N
+X AC/N 1 -400 -100 100 R 50 50 1 1 W
+X AC/L 2 -400 100 100 R 50 50 1 1 W
+X -Vo 3 400 -100 100 L 50 50 1 1 w
+X +Vo 4 400 100 100 L 50 50 1 1 w
+ENDDRAW
+ENDDEF
+#
 # Device_C
 #
 DEF Device_C C 0 10 N Y 1 F N
@@ -258,38 +270,6 @@ X 4 4 0 -200 50 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
-# Device_D_Bridge_+A-A
-#
-DEF Device_D_Bridge_+A-A D 0 0 Y Y 1 F N
-F0 "D" 100 275 50 H V L CNN
-F1 "Device_D_Bridge_+A-A" 100 200 50 H V L CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
-$FPLIST
- D*Bridge*
- D*Rectifier*
-$ENDFPLIST
-DRAW
-C -200 0 10 0 1 0 F
-C 0 -200 10 0 1 0 F
-C 0 200 10 0 1 0 F
-C 200 0 10 0 1 0 F
-P 2 0 1 0 -100 150 -50 100 N
-P 2 0 1 0 -50 -100 -100 -150 N
-P 2 0 1 0 100 -50 150 -100 N
-P 2 0 1 0 100 50 150 100 N
-P 4 0 1 0 -150 100 -100 50 -75 125 -150 100 N
-P 4 0 1 0 -100 -50 -150 -100 -75 -125 -100 -50 N
-P 4 0 1 0 50 100 100 150 125 75 50 100 N
-P 4 0 1 0 125 -75 50 -100 100 -150 125 -75 N
-P 5 0 1 0 -200 0 0 -200 200 0 0 200 -200 0 N
-X + 1 300 0 100 L 50 50 1 1 P
-X ~~ 2 0 -300 100 U 50 50 1 1 P
-X - 3 -300 0 100 R 50 50 1 1 P
-X ~~ 4 0 300 100 D 50 50 1 1 P
-ENDDRAW
-ENDDEF
-#
 # Device_Ferrite_Bead_Small
 #
 DEF Device_Ferrite_Bead_Small FB 0 0 N Y 1 F N
@@ -352,6 +332,41 @@ X A 2 150 0 100 L 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Device_L_Core_Ferrite
+#
+DEF Device_L_Core_Ferrite L 0 40 N N 1 F N
+F0 "L" -50 0 50 V V C CNN
+F1 "Device_L_Core_Ferrite" 110 0 50 V V C CNN
+F2 "" 0 0 50 H I C CNN
+F3 "" 0 0 50 H I C CNN
+$FPLIST
+ Choke_*
+ *Coil*
+ Inductor_*
+ L_*
+$ENDFPLIST
+DRAW
+A 0 -75 25 -899 899 0 1 0 N 0 -100 0 -50
+A 0 -25 25 -899 899 0 1 0 N 0 -50 0 0
+A 0 25 25 -899 899 0 1 0 N 0 0 0 50
+A 0 75 25 -899 899 0 1 0 N 0 50 0 100
+P 2 0 1 0 40 -110 40 -90 N
+P 2 0 1 0 40 -70 40 -50 N
+P 2 0 1 0 40 -30 40 -10 N
+P 2 0 1 0 40 10 40 30 N
+P 2 0 1 0 40 50 40 70 N
+P 2 0 1 0 40 90 40 110 N
+P 2 0 1 0 60 -90 60 -110 N
+P 2 0 1 0 60 -50 60 -70 N
+P 2 0 1 0 60 -10 60 -30 N
+P 2 0 1 0 60 30 60 10 N
+P 2 0 1 0 60 70 60 50 N
+P 2 0 1 0 60 110 60 90 N
+X 1 1 0 150 50 D 50 50 1 1 P
+X 2 2 0 -150 50 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Device_L_Small
 #
 DEF Device_L_Small L 0 10 N N 1 F N
@@ -392,6 +407,43 @@ X ~ 2 0 -150 50 U 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
+# Device_RF_Shield_Two_Pieces
+#
+DEF Device_RF_Shield_Two_Pieces J 0 40 Y Y 1 F N
+F0 "J" 0 200 50 H V C CNN
+F1 "Device_RF_Shield_Two_Pieces" 0 100 50 H V C CNN
+F2 "" 0 -100 50 H I C CNN
+F3 "" 0 -100 50 H I C CNN
+DRAW
+P 2 0 1 10 -600 -200 -600 -100 N
+P 2 0 1 10 -600 -50 -600 50 N
+P 2 0 1 10 -600 100 -600 200 N
+P 2 0 1 10 -500 300 -400 300 N
+P 2 0 1 10 -400 -300 -500 -300 N
+P 2 0 1 10 -250 -300 -350 -300 N
+P 2 0 1 10 -250 300 -350 300 N
+P 2 0 1 10 -100 -300 -200 -300 N
+P 2 0 1 10 -100 300 -200 300 N
+P 2 0 1 10 -50 -300 50 -300 N
+P 2 0 1 10 50 300 -50 300 N
+P 2 0 1 10 100 -300 200 -300 N
+P 2 0 1 10 200 300 100 300 N
+P 2 0 1 10 250 -300 350 -300 N
+P 2 0 1 10 350 300 250 300 N
+P 2 0 1 10 400 -300 500 -300 N
+P 2 0 1 10 500 300 400 300 N
+P 2 0 1 10 600 -200 600 -100 N
+P 2 0 1 10 600 -50 600 50 N
+P 2 0 1 10 600 100 600 200 N
+P 3 0 1 10 -600 250 -600 300 -550 300 N
+P 3 0 1 10 -550 -300 -600 -300 -600 -250 N
+P 3 0 1 10 550 -300 600 -300 600 -250 N
+P 3 0 1 10 600 250 600 300 550 300 N
+P 4 0 1 10 -700 200 -700 450 700 450 700 200 N
+X Shield 1 0 -400 100 U 50 50 1 1 P
+ENDDRAW
+ENDDEF
+#
 # Device_R_POT
 #
 DEF Device_R_POT RV 0 40 Y N 1 F N
@@ -433,39 +485,6 @@ X 2 2 -200 -100 100 R 50 50 1 1 I
 ENDDRAW
 ENDDEF
 #
-# Device_Transformer_1P_1S
-#
-DEF Device_Transformer_1P_1S T 0 40 Y N 1 F N
-F0 "T" 0 250 50 H V C CNN
-F1 "Device_Transformer_1P_1S" 0 -300 50 H V C CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
-DRAW
-A -100 -150 50 899 1 0 1 0 N -100 -100 -50 -150
-A -100 -150 50 -1 -899 0 1 0 N -50 -150 -100 -199
-A -100 -50 50 899 1 0 1 0 N -100 0 -50 -50
-A -100 -50 50 -1 -899 0 1 0 N -50 -50 -100 -99
-A -100 50 50 899 1 0 1 0 N -100 100 -50 50
-A -100 50 50 -1 -899 0 1 0 N -50 50 -100 1
-A -100 150 50 899 1 0 1 0 N -100 200 -50 150
-A -100 150 50 -1 -899 0 1 0 N -50 150 -100 101
-A 100 -50 50 899 -1799 0 1 0 N 100 0 51 -50
-A 100 -50 50 1799 -899 0 1 0 N 51 -50 100 -99
-A 100 50 50 899 -1799 0 1 0 N 100 100 51 50
-A 100 50 50 1799 -899 0 1 0 N 51 50 100 1
-A 100 150 50 899 -1799 0 1 0 N 100 200 51 150
-A 100 150 50 1799 -899 0 1 0 N 51 150 100 101
-A 101 -150 50 910 -1799 0 1 0 N 101 -100 52 -150
-A 101 -150 50 -912 -1799 0 1 0 N 101 -199 52 -150
-P 2 0 1 0 -25 200 -25 -200 N
-P 2 0 1 0 25 -200 25 200 N
-X AA 1 -400 200 300 R 50 50 1 1 P
-X AB 2 -400 -200 300 R 50 50 1 1 P
-X SA 3 400 -200 300 L 50 50 1 1 P
-X SB 4 400 200 300 L 50 50 1 1 P
-ENDDRAW
-ENDDEF
-#
 # Jumper_SolderJumper_2_Open
 #
 DEF Jumper_SolderJumper_2_Open JP 0 0 Y N 1 F N
@@ -757,28 +776,6 @@ F0 "U" -150 125 50 H V C CNN
 F1 "Regulator_Linear_AZ1117-3.3" 0 125 50 H V L CNN
 F2 "" 0 250 50 H I C CIN
 F3 "" 0 0 50 H I C CNN
-$FPLIST
- SOT?223*
- SOT?89*
- TO?220*
- TO?252*
- TO?263*
-$ENDFPLIST
-DRAW
-S -200 75 200 -200 0 1 10 f
-X GND 1 0 -300 100 U 50 50 1 1 W
-X VO 2 300 0 100 L 50 50 1 1 w
-X VI 3 -300 0 100 R 50 50 1 1 W
-ENDDRAW
-ENDDEF
-#
-# Regulator_Linear_AZ1117-5.0
-#
-DEF Regulator_Linear_AZ1117-5.0 U 0 10 Y Y 1 F N
-F0 "U" -150 125 50 H V C CNN
-F1 "Regulator_Linear_AZ1117-5.0" 0 125 50 H V L CNN
-F2 "" 0 250 50 H I C CIN
-F3 "" 0 0 50 H I C CNN
 ALIAS AZ1117-1.5 AZ1117-1.8 AZ1117-2.5 AZ1117-2.85 AZ1117-3.3 AZ1117-5.0
 $FPLIST
  SOT?223*
@@ -795,32 +792,26 @@ X VI 3 -300 0 100 R 50 50 1 1 W
 ENDDRAW
 ENDDEF
 #
-# Sensor_Temperature_DS18B20
+# Transistor_BJT_BC818
 #
-DEF Sensor_Temperature_DS18B20 U 0 40 Y Y 1 F N
-F0 "U" -150 250 50 H V C CNN
-F1 "Sensor_Temperature_DS18B20" 250 250 50 H V C CNN
-F2 "Package_TO_SOT_THT:TO-92_Inline" -1000 -250 50 H I C CNN
-F3 "" -150 250 50 H I C CNN
-ALIAS DS1822 DS18B20 DS18S20 DS1821C
+DEF Transistor_BJT_BC818 Q 0 0 Y N 1 F N
+F0 "Q" 200 75 50 H V L CNN
+F1 "Transistor_BJT_BC818" 200 0 50 H V L CNN
+F2 "Package_TO_SOT_SMD:SOT-23" 200 -75 50 H I L CIN
+F3 "" 0 0 50 H I L CNN
+ALIAS BC818 BC846 BC847 BC848 BC849 BC850 MMBT3904 MMBT5550L MMBT5551L
 $FPLIST
- TO*92*
+ SOT?23*
 $ENDFPLIST
 DRAW
-A -130 125 25 1 1799 0 1 10 N -105 125 -155 125
-C -130 -100 50 0 1 10 F
-S -200 200 200 -200 0 1 10 f
-S -105 -75 -155 0 0 1 10 F
-P 2 0 1 10 -155 25 -130 25 N
-P 2 0 1 10 -155 50 -130 50 N
-P 2 0 1 10 -155 75 -130 75 N
-P 2 0 1 10 -155 100 -130 100 N
-P 2 0 1 10 -155 125 -155 0 N
-P 2 0 1 10 -155 125 -130 125 N
-P 2 0 1 10 -105 125 -105 0 N
-X GND 1 0 -300 100 U 50 50 1 1 W
-X DQ 2 300 0 100 L 50 50 1 1 B
-X VDD 3 0 300 100 D 50 50 1 1 W
+C 50 0 111 0 1 10 N
+P 2 0 1 0 25 25 100 100 N
+P 3 0 1 0 25 -25 100 -100 100 -100 N
+P 3 0 1 20 25 75 25 -75 25 -75 N
+P 5 0 1 0 50 -70 70 -50 90 -90 50 -70 50 -70 F
+X B 1 -200 0 225 R 50 50 1 1 I
+X E 2 100 -200 100 U 50 50 1 1 P
+X C 3 100 200 100 D 50 50 1 1 P
 ENDDRAW
 ENDDEF
 #
@@ -917,21 +908,6 @@ X +5VL 1 0 0 0 U 50 50 1 1 W N
 ENDDRAW
 ENDDEF
 #
-# power_+8V
-#
-DEF power_+8V #PWR 0 0 Y Y 1 F P
-F0 "#PWR" 0 -150 50 H I C CNN
-F1 "power_+8V" 0 140 50 H V C CNN
-F2 "" 0 0 50 H I C CNN
-F3 "" 0 0 50 H I C CNN
-DRAW
-P 2 0 1 0 -30 50 0 100 N
-P 2 0 1 0 0 0 0 100 N
-P 2 0 1 0 0 100 30 50 N
-X +8V 1 0 0 0 U 50 50 1 1 W N
-ENDDRAW
-ENDDEF
-#
 # power_Earth
 #
 DEF power_Earth #PWR 0 0 Y Y 1 F P

reflow-oven-control-pcb.sch

@@ -39,21 +39,8 @@ Wire Wire Line
 	1600 1250 1600 1000
 Wire Wire Line
 	1600 1000 1300 1000
-$Comp
-L Device:Transformer_1P_1S T101
-U 1 1 5D6EA3F7
-P 3950 950
-F 0 "T101" H 3950 1331 50  0000 C CNN
-F 1 "230VAC/6VAC" H 3950 1240 50  0000 C CNN
-F 2 "shimatta_tht:BV-EI-303-2010" H 3950 950 50  0001 C CNN
-F 3 "~" H 3950 950 50  0001 C CNN
-	1    3950 950 
-	1    0    0    1   
-$EndComp
 Wire Wire Line
 	2350 750  2350 900 
-Wire Wire Line
-	2350 1100 2350 1150
 $Comp
 L Device:Fuse F101
 U 1 1 5D6ED850
@@ -65,55 +52,11 @@ F 3 "~" H 3150 750 50  0001 C CNN
 	1    3150 750 
 	0    1    1    0   
 $EndComp
-Wire Wire Line
-	2350 1150 3550 1150
 Text Label 2600 750  0    50   ~ 0
 L_fused
 Text Notes 1450 600  0    50   ~ 0
 Fuse Holders: TME SCHURTER 0031.8201
 $Comp
-L Device:D_Bridge_+A-A D101
-U 1 1 5D6FE708
-P 5250 950
-F 0 "D101" H 5594 996 50  0000 L CNN
-F 1 "2W005G-E4/51" H 4950 1350 50  0000 L CNN
-F 2 "Diode_THT:Diode_Bridge_Round_D9.8mm" H 5250 950 50  0001 C CNN
-F 3 "~" H 5250 950 50  0001 C CNN
-	1    5250 950 
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-Wire Wire Line
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-	4950 950  4750 950 
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-F 3 "" H 4750 1450 50  0001 C CNN
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 U 1 1 5D7075FB
 P 10300 6200
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 Wire Wire Line
 	10800 6050 10800 6200
 $Comp
-L Device:CP C104
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-F 2 "Capacitor_THT:CP_Radial_D8.0mm_P3.50mm" H 6088 1000 50  0001 C CNN
-F 3 "~" H 6050 1150 50  0001 C CNN
-	1    6050 1150
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-F 2 "Capacitor_THT:CP_Radial_D8.0mm_P3.50mm" H 6388 1000 50  0001 C CNN
-F 3 "~" H 6350 1150 50  0001 C CNN
-	1    6350 1150
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-F 2 "" H 6050 1400 50  0001 C CNN
-F 3 "" H 6050 1400 50  0001 C CNN
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-	1    0    0    -1  
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-	6050 1400 6050 1300
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-F 1 "GND" H 6355 1227 50  0000 C CNN
-F 2 "" H 6350 1400 50  0001 C CNN
-F 3 "" H 6350 1400 50  0001 C CNN
-	1    6350 1400
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-	6350 1400 6350 1300
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-	6350 950  6650 950 
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-	6050 1000 6050 950 
-Connection ~ 6050 950 
-Wire Wire Line
-	6050 950  6250 950 
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 L Regulator_Linear:AZ1117-3.3 U103
 U 1 1 5D71A1E5
 P 7150 950
@@ -309,7 +194,6 @@ F 3 "~" H 6650 1100 50  0001 C CNN
 	1    6650 1100
 	1    0    0    -1  
 $EndComp
-Connection ~ 6650 950 
 Wire Wire Line
 	6650 950  6850 950 
 Wire Wire Line
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 	1    0    0    -1  
 $EndComp
 $Comp
-L Device:Fuse F102
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-F 2 "shimatta_tht:Schurter_0031.8201_20mm_Fuse" V 4580 600 50  0001 C CNN
-F 3 "~" H 4650 600 50  0001 C CNN
-	1    4650 600 
-	0    1    1    0   
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 Wire Wire Line
 	8400 800  8400 950 
-Wire Wire Line
-	6250 950  6250 750 
-Connection ~ 6250 950 
-Wire Wire Line
-	6250 950  6350 950 
-$Comp
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-U 1 1 5D769470
-P 6250 750
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-F 1 "+8V" H 6265 923 50  0000 C CNN
-F 2 "" H 6250 750 50  0001 C CNN
-F 3 "" H 6250 750 50  0001 C CNN
-	1    6250 750 
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	4500 600  4450 600 
-Wire Wire Line
-	5550 950  5800 950 
-$Comp
-L power:+8V #PWR0121
-U 1 1 5D9856FB
-P 6650 1600
-F 0 "#PWR0121" H 6650 1450 50  0001 C CNN
-F 1 "+8V" H 6665 1773 50  0000 C CNN
-F 2 "" H 6650 1600 50  0001 C CNN
-F 3 "" H 6650 1600 50  0001 C CNN
-	1    6650 1600
-	1    0    0    -1  
-$EndComp
 Wire Wire Line
 	8200 2350 7650 2350
 Wire Wire Line
@@ -449,46 +291,12 @@ F 3 "~" H 8000 1900 50  0001 C CNN
 	1    8000 1900
 	0    1    1    0   
 $EndComp
-$Comp
-L power:GND #PWR0123
-U 1 1 5D9941A8
-P 7150 2500
-F 0 "#PWR0123" H 7150 2250 50  0001 C CNN
-F 1 "GND" H 7155 2327 50  0000 C CNN
-F 2 "" H 7150 2500 50  0001 C CNN
-F 3 "" H 7150 2500 50  0001 C CNN
-	1    7150 2500
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	6650 2350 7150 2350
-Wire Wire Line
-	6650 2200 6650 2350
-$Comp
-L Device:C C107
-U 1 1 5D992429
-P 6650 2050
-F 0 "C107" H 6765 2096 50  0000 L CNN
-F 1 "100n" H 6765 2005 50  0000 L CNN
-F 2 "Capacitor_SMD:C_0805_2012Metric" H 6688 1900 50  0001 C CNN
-F 3 "~" H 6650 2050 50  0001 C CNN
-	1    6650 2050
-	1    0    0    -1  
-$EndComp
 Wire Wire Line
 	7650 1900 7900 1900
 Wire Wire Line
 	7650 1950 7650 1900
-Wire Wire Line
-	7150 2350 7150 2500
 Wire Wire Line
 	7650 2350 7650 2250
-Connection ~ 7650 2350
-Connection ~ 7150 2350
-Wire Wire Line
-	7150 2350 7650 2350
-Wire Wire Line
-	7150 2200 7150 2350
 $Comp
 L Device:CP C109
 U 1 1 5D9883BA
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 Wire Wire Line
 	8400 1900 8400 1800
 Connection ~ 7650 1900
-Wire Wire Line
-	7450 1900 7650 1900
-Wire Wire Line
-	6650 1900 6650 1600
-Connection ~ 6650 1900
-Wire Wire Line
-	6850 1900 6650 1900
-$Comp
-L Regulator_Linear:AZ1117-5.0 U104
-U 1 1 5D982620
-P 7150 1900
-F 0 "U104" H 7150 2142 50  0000 C CNN
-F 1 "AZ1117-5.0" H 7150 2051 50  0000 C CNN
-F 2 "Package_TO_SOT_SMD:TO-252-2" H 7150 2150 50  0001 C CIN
-F 3 "https://www.diodes.com/assets/Datasheets/AZ1117.pdf" H 7150 1900 50  0001 C CNN
-	1    7150 1900
-	1    0    0    -1  
-$EndComp
 $Comp
 L Connector:Screw_Terminal_01x04 J105
 U 1 1 5DB7154A
@@ -610,17 +400,6 @@ Wire Wire Line
 Wire Wire Line
 	1250 5200 1250 4850
 $Comp
-L power:+5V #PWR0103
-U 1 1 5D8A94A6
-P 1250 4850
-F 0 "#PWR0103" H 1250 4700 50  0001 C CNN
-F 1 "+5V" H 1265 5023 50  0000 C CNN
-F 2 "" H 1250 4850 50  0001 C CNN
-F 3 "" H 1250 4850 50  0001 C CNN
-	1    1250 4850
-	1    0    0    -1  
-$EndComp
-$Comp
 L Transistor_FET:BSS123 Q101
 U 1 1 5D8AFFC1
 P 1300 5650
@@ -711,8 +490,6 @@ F 3 "~" H 5300 7250 50  0001 C CNN
 $EndComp
 Wire Wire Line
 	5300 7100 5300 6900
-Text Notes 3650 1250 0    50   ~ 0
-BV EI 303 2010
 $Comp
 L Mechanical:MountingHole_Pad H101
 U 1 1 5D9DB41E
@@ -735,8 +512,6 @@ F 3 "~" H 10800 1150 50  0001 C CNN
 	1    10800 1150
 	1    0    0    -1  
 $EndComp
-Wire Wire Line
-	1300 1100 2350 1100
 Text Label 1500 900  0    50   ~ 0
 L_IN
 Text Label 1800 1100 0    50   ~ 0
@@ -745,17 +520,6 @@ Wire Wire Line
 	3300 750  3550 750 
 Text Label 3350 750  0    50   ~ 0
 L_Trafo
-$Comp
-L power:+8V #PWR0109
-U 1 1 5D741B51
-P 2800 4550
-F 0 "#PWR0109" H 2800 4400 50  0001 C CNN
-F 1 "+8V" H 2815 4723 50  0000 C CNN
-F 2 "" H 2800 4550 50  0001 C CNN
-F 3 "" H 2800 4550 50  0001 C CNN
-	1    2800 4550
-	1    0    0    -1  
-$EndComp
 Wire Wire Line
 	1300 900  2350 900 
 Wire Wire Line
@@ -929,35 +693,6 @@ Wire Wire Line
 Connection ~ 800  7400
 Wire Wire Line
 	800  7400 800  7500
-$Comp
-L Connector_Generic:Conn_01x02 J104
-U 1 1 5E336524
-P 5650 1750
-F 0 "J104" H 5730 1742 50  0000 L CNN
-F 1 "8V-dev" H 5730 1651 50  0000 L CNN
-F 2 "Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical" H 5650 1750 50  0001 C CNN
-F 3 "~" H 5650 1750 50  0001 C CNN
-	1    5650 1750
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	5450 1750 5450 1100
-Wire Wire Line
-	5450 1100 5800 1100
-Wire Wire Line
-	5800 1100 5800 950 
-Connection ~ 5800 950 
-Wire Wire Line
-	5800 950  6050 950 
-Wire Wire Line
-	4750 1400 5200 1400
-Wire Wire Line
-	5200 1400 5200 1850
-Wire Wire Line
-	5200 1850 5450 1850
-Connection ~ 4750 1400
-Wire Wire Line
-	4750 1400 4750 1450
 Wire Wire Line
 	1700 7000 1400 7000
 Wire Wire Line
@@ -974,8 +709,6 @@ Text Label 1700 7200 2    50   ~ 0
 DIGIO2
 Text Label 1700 7300 2    50   ~ 0
 DIGIO3
-Wire Wire Line
-	6500 3650 7500 3650
 $Sheet
 S 5450 2900 1050 2550
 U 5D77EC9D
@@ -991,10 +724,9 @@ F8 "OUT5" O L 5450 3500 50
 F9 "OUT6" O L 5450 3600 50 
 F10 "OUT7" O L 5450 3700 50 
 F11 "OUT0" O L 5450 3000 50 
-F12 "FRONTEND_TEMP" B R 6500 3650 50 
-F13 "NSS" O R 6500 3900 50 
-F14 "SCK" O R 6500 4100 50 
-F15 "MISO" I R 6500 4000 50 
+F12 "NSS" O R 6500 3900 50 
+F13 "SCK" O R 6500 4100 50 
+F14 "MISO" I R 6500 4000 50 
 $EndSheet
 Text Notes 2300 7200 0    50   ~ 10
 USART1_TX
@@ -1422,7 +1154,7 @@ Connection ~ 8400 1900
 Wire Wire Line
 	8400 1900 8750 1900
 Wire Wire Line
-	9050 2200 9050 2600
+	9050 2200 9050 2350
 $Comp
 L power:GND #PWR0131
 U 1 1 5E40C6FF
@@ -1435,7 +1167,7 @@ F 3 "" H 9050 2600 50  0001 C CNN
 	1    0    0    -1  
 $EndComp
 Wire Wire Line
-	9350 1900 9850 1900
+	9350 1900 9400 1900
 Wire Wire Line
 	9850 2450 9850 2600
 $Comp
@@ -1489,10 +1221,9 @@ F1 "frontend.sch" 50
 F2 "FORCE+" O R 8300 3100 50 
 F3 "FORCE-" O R 8300 3400 50 
 F4 "SENS+" I R 8300 3200 50 
-F5 "SENS-" O R 8300 3300 50 
-F6 "VREF" O L 7500 3100 50 
-F7 "TEMP_OUT" O L 7500 3200 50 
-F8 "FRONTEND_TEMP" B L 7500 3650 50 
+F5 "VREF" O L 7500 3100 50 
+F6 "TEMP_OUT" O L 7500 3200 50 
+F7 "SENS-" I R 8300 3300 50 
 $EndSheet
 Text Label 4900 3500 0    50   ~ 0
 DIGIO1_PROT
@@ -1500,4 +1231,232 @@ Text Label 4900 3600 0    50   ~ 0
 DIGIO2_PROT
 Text Label 4900 3700 0    50   ~ 0
 DIGIO3_PROT
+$Comp
+L Converter_ACDC:IRM-05-5 PS101
+U 1 1 5EC7A3DD
+P 4000 950
+F 0 "PS101" H 4000 1317 50  0000 C CNN
+F 1 "IRM-05-5" H 4000 1226 50  0000 C CNN
+F 2 "Converter_ACDC:Converter_ACDC_MeanWell_IRM-05-xx_THT" H 4000 600 50  0001 C CNN
+F 3 "https://www.meanwell.com/Upload/PDF/IRM-05/IRM-05-SPEC.PDF" H 4000 550 50  0001 C CNN
+	1    4000 950 
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	4400 850  4850 850 
+Wire Wire Line
+	6650 850  6650 950 
+Connection ~ 6650 950 
+$Comp
+L power:+5VL #PWR0103
+U 1 1 5ECA155E
+P 6100 800
+F 0 "#PWR0103" H 6100 650 50  0001 C CNN
+F 1 "+5VL" H 6115 973 50  0000 C CNN
+F 2 "" H 6100 800 50  0001 C CNN
+F 3 "" H 6100 800 50  0001 C CNN
+	1    6100 800 
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6100 800  6100 850 
+Connection ~ 6100 850 
+Wire Wire Line
+	6100 850  6650 850 
+Wire Wire Line
+	8200 2350 9050 2350
+Connection ~ 8200 2350
+Wire Wire Line
+	4600 1050 4600 1200
+Wire Wire Line
+	4400 1050 4600 1050
+$Comp
+L power:GND #PWR0109
+U 1 1 5ECD20D8
+P 4600 1250
+F 0 "#PWR0109" H 4600 1000 50  0001 C CNN
+F 1 "GND" H 4605 1077 50  0000 C CNN
+F 2 "" H 4600 1250 50  0001 C CNN
+F 3 "" H 4600 1250 50  0001 C CNN
+	1    4600 1250
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+5VL #PWR0115
+U 1 1 5ECE179F
+P 1250 4850
+F 0 "#PWR0115" H 1250 4700 50  0001 C CNN
+F 1 "+5VL" H 1265 5023 50  0000 C CNN
+F 2 "" H 1250 4850 50  0001 C CNN
+F 3 "" H 1250 4850 50  0001 C CNN
+	1    1250 4850
+	1    0    0    -1  
+$EndComp
+$Comp
+L power:+5VL #PWR0117
+U 1 1 5ECE5B97
+P 2800 4550
+F 0 "#PWR0117" H 2800 4400 50  0001 C CNN
+F 1 "+5VL" H 2815 4723 50  0000 C CNN
+F 2 "" H 2800 4550 50  0001 C CNN
+F 3 "" H 2800 4550 50  0001 C CNN
+	1    2800 4550
+	1    0    0    -1  
+$EndComp
+$Comp
+L Device:L_Core_Ferrite L101
+U 1 1 5ECF1E66
+P 5550 850
+F 0 "L101" V 5775 850 50  0000 C CNN
+F 1 "10u" V 5684 850 50  0000 C CNN
+F 2 "Inductor_SMD:L_10.4x10.4_H4.8" H 5550 850 50  0001 C CNN
+F 3 "~" H 5550 850 50  0001 C CNN
+	1    5550 850 
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	5700 850  6000 850 
+$Comp
+L Device:C C104
+U 1 1 5ED3113D
+P 4850 1050
+F 0 "C104" H 4965 1096 50  0000 L CNN
+F 1 "10u" H 4965 1005 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1210_3225Metric" H 4888 900 50  0001 C CNN
+F 3 "~" H 4850 1050 50  0001 C CNN
+	1    4850 1050
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	4600 1200 4850 1200
+Connection ~ 4600 1200
+Wire Wire Line
+	4600 1200 4600 1250
+Connection ~ 4850 1200
+Wire Wire Line
+	4850 1200 5200 1200
+$Comp
+L Device:C C105
+U 1 1 5ED4FDCA
+P 5200 1050
+F 0 "C105" H 5315 1096 50  0000 L CNN
+F 1 "10u" H 5315 1005 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1210_3225Metric" H 5238 900 50  0001 C CNN
+F 3 "~" H 5200 1050 50  0001 C CNN
+	1    5200 1050
+	-1   0    0    1   
+$EndComp
+Connection ~ 5200 1200
+$Comp
+L Device:C C107
+U 1 1 5ED508BB
+P 6000 1050
+F 0 "C107" H 6115 1096 50  0000 L CNN
+F 1 "10u" H 6115 1005 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1210_3225Metric" H 6038 900 50  0001 C CNN
+F 3 "~" H 6000 1050 50  0001 C CNN
+	1    6000 1050
+	-1   0    0    1   
+$EndComp
+Wire Wire Line
+	5200 1200 5750 1200
+Wire Wire Line
+	6000 900  6000 850 
+Connection ~ 6000 850 
+Wire Wire Line
+	6000 850  6100 850 
+Wire Wire Line
+	5200 900  5200 850 
+Connection ~ 5200 850 
+Wire Wire Line
+	5200 850  5400 850 
+Wire Wire Line
+	4850 900  4850 850 
+Connection ~ 4850 850 
+Wire Wire Line
+	4850 850  5200 850 
+$Comp
+L Device:Ferrite_Bead_Small FB102
+U 1 1 5ED787BE
+P 9550 1900
+F 0 "FB102" V 9313 1900 50  0000 C CNN
+F 1 "600 Ohm" V 9404 1900 50  0000 C CNN
+F 2 "Inductor_SMD:L_0603_1608Metric_Pad1.05x0.95mm_HandSolder" V 9480 1900 50  0001 C CNN
+F 3 "~" H 9550 1900 50  0001 C CNN
+	1    9550 1900
+	0    1    1    0   
+$EndComp
+Wire Wire Line
+	9650 1900 9850 1900
+Wire Wire Line
+	9400 1900 9400 2050
+Connection ~ 9400 1900
+Wire Wire Line
+	9400 1900 9450 1900
+$Comp
+L Device:C C115
+U 1 1 5ED8408E
+P 9400 2200
+F 0 "C115" H 9515 2246 50  0000 L CNN
+F 1 "100n" H 9515 2155 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 9438 2050 50  0001 C CNN
+F 3 "~" H 9400 2200 50  0001 C CNN
+	1    9400 2200
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	9400 2350 9400 2400
+Wire Wire Line
+	9050 2350 9050 2400
+Connection ~ 9050 2350
+Wire Wire Line
+	9050 2400 9400 2400
+Connection ~ 9050 2400
+Wire Wire Line
+	9050 2400 9050 2600
+Wire Wire Line
+	3550 1050 3600 1050
+Wire Wire Line
+	3550 750  3550 1050
+Wire Wire Line
+	3600 850  2550 850 
+Wire Wire Line
+	2550 850  2550 1100
+Wire Wire Line
+	1300 1100 2550 1100
+$Comp
+L Device:C C116
+U 1 1 5ED6AD34
+P 5050 650
+F 0 "C116" H 5165 696 50  0000 L CNN
+F 1 "10u" H 5165 605 50  0000 L CNN
+F 2 "Capacitor_SMD:C_1210_3225Metric" H 5088 500 50  0001 C CNN
+F 3 "~" H 5050 650 50  0001 C CNN
+	1    5050 650 
+	0    -1   -1   0   
+$EndComp
+Wire Wire Line
+	4900 650  4850 650 
+Wire Wire Line
+	4850 650  4850 850 
+Wire Wire Line
+	5600 650  5750 650 
+Wire Wire Line
+	5750 650  5750 1200
+Connection ~ 5750 1200
+Wire Wire Line
+	5750 1200 6000 1200
+Wire Wire Line
+	5200 650  5300 650 
+$Comp
+L Device:R R107
+U 1 1 5ED9D597
+P 5450 650
+F 0 "R107" V 5243 650 50  0000 C CNN
+F 1 "10" V 5334 650 50  0000 C CNN
+F 2 "Resistor_SMD:R_0603_1608Metric" V 5380 650 50  0001 C CNN
+F 3 "~" H 5450 650 50  0001 C CNN
+	1    5450 650 
+	0    1    1    0   
+$EndComp
 $EndSCHEMATC

stm.sch

@@ -94,7 +94,7 @@ Wire Wire Line
 Wire Wire Line
 	6050 1150 6050 950 
 Wire Wire Line
-	6050 950  7150 950 
+	6050 950  6750 950 
 Wire Wire Line
 	5700 950  5700 850 
 Connection ~ 5700 950 
@@ -720,17 +720,6 @@ Wire Wire Line
 	6800 1450 6550 1450
 Wire Wire Line
 	10000 800  10800 800 
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-L 74xx:74HCT244 U201
-U 1 1 5D90FF0A
-P 3450 6150
-F 0 "U201" H 4000 5750 50  0000 C CNN
-F 1 "74HCT244" H 4000 5650 50  0000 C CNN
-F 2 "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" H 3450 6150 50  0001 C CNN
-F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT244.pdf" H 3450 6150 50  0001 C CNN
-	1    3450 6150
-	-1   0    0    -1  
-$EndComp
 Text Label 750  6550 0    50   ~ 0
 LCD_VO
 $Comp
@@ -1475,19 +1464,6 @@ Wire Wire Line
 Wire Wire Line
 	1350 850  1800 850 
 Connection ~ 1800 850 
-Wire Wire Line
-	6550 4150 6800 4150
-Wire Wire Line
-	6800 4150 6800 4250
-Wire Wire Line
-	6800 4250 6550 4250
-Wire Wire Line
-	6800 4150 7050 4150
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-Text HLabel 7050 4150 2    50   BiDi ~ 0
-FRONTEND_TEMP
-Text Notes 6800 4100 0    50   ~ 0
-USART3 as Onewire IF
 Wire Notes Line
 	6750 3500 7200 3500
 Wire Notes Line
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 	7350 4350 6550 4350
 Text Label 6700 4350 0    50   ~ 0
 ~CS~_EEPROM
+$Comp
+L 74xx:74HCT244 U201
+U 1 1 5D90FF0A
+P 3450 6150
+F 0 "U201" H 4000 5750 50  0000 C CNN
+F 1 "74HCT244" H 4000 5650 50  0000 C CNN
+F 2 "Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm" H 3450 6150 50  0001 C CNN
+F 3 "https://assets.nexperia.com/documents/data-sheet/74HC_HCT244.pdf" H 3450 6150 50  0001 C CNN
+	1    3450 6150
+	-1   0    0    -1  
+$EndComp
+$Comp
+L Device:C C221
+U 1 1 5EE4C015
+P 6750 1150
+F 0 "C221" H 6865 1196 50  0000 L CNN
+F 1 "100n" H 6865 1105 50  0000 L CNN
+F 2 "Capacitor_SMD:C_0603_1608Metric" H 6788 1000 50  0001 C CNN
+F 3 "~" H 6750 1150 50  0001 C CNN
+	1    6750 1150
+	1    0    0    -1  
+$EndComp
+Wire Wire Line
+	6750 1300 6750 1350
+Wire Wire Line
+	6750 1350 7150 1350
+Connection ~ 7150 1350
+Wire Wire Line
+	6750 1000 6750 950 
+Connection ~ 6750 950 
+Wire Wire Line
+	6750 950  7150 950 
 $EndSCHEMATC