diff --git a/CAD/.DS_Store b/CAD/.DS_Store
index 5b9c9ed..f5d4479 100644
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diff --git a/CAD/Leo_muziekdoos/CPU.sch b/CAD/Leo_muziekdoos/CPU.sch
index c2ad2d6..66332b9 100644
--- a/CAD/Leo_muziekdoos/CPU.sch
+++ b/CAD/Leo_muziekdoos/CPU.sch
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diff --git a/CAD/Leo_muziekdoos/CPU.sch-bak b/CAD/Leo_muziekdoos/CPU.sch-bak
index d97f4f1..c2ad2d6 100644
--- a/CAD/Leo_muziekdoos/CPU.sch-bak
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diff --git a/CAD/Leo_muziekdoos/_autosave-CPU.sch b/CAD/Leo_muziekdoos/_autosave-CPU.sch
deleted file mode 100644
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-NoConn ~ 800  1200
-Text Label 4950 3000 0    50   ~ 0
-HS_OSC0
-Text Label 4950 3100 0    50   ~ 0
-HS_OSC1
-Wire Wire Line
-	4950 3100 5350 3100
-Wire Wire Line
-	5350 3000 4950 3000
-Text Label 1750 3850 2    50   ~ 0
-HS_OSC1
-Text Label 450  3850 0    50   ~ 0
-HS_OSC0
-$Comp
-L Device:Crystal_GND24 Y?
-U 1 1 6111F0CA
-P 1100 3850
-F 0 "Y?" H 1300 3650 50  0000 R CNN
-F 1 "24Mhz" H 1000 3600 50  0000 R CNN
-F 2 "" H 1100 3850 50  0001 C CNN
-F 3 "~" H 1100 3850 50  0001 C CNN
-	1    1100 3850
-	-1   0    0    1   
-$EndComp
-$Comp
-L power:GND #PWR?
-U 1 1 61120128
-P 1100 3450
-F 0 "#PWR?" H 1100 3200 50  0001 C CNN
-F 1 "GND" H 1105 3277 50  0000 C CNN
-F 2 "" H 1100 3450 50  0001 C CNN
-F 3 "" H 1100 3450 50  0001 C CNN
-	1    1100 3450
-	-1   0    0    1   
-$EndComp
-$Comp
-L power:GND #PWR?
-U 1 1 61120856
-P 1100 4400
-F 0 "#PWR?" H 1100 4150 50  0001 C CNN
-F 1 "GND" H 1105 4227 50  0000 C CNN
-F 2 "" H 1100 4400 50  0001 C CNN
-F 3 "" H 1100 4400 50  0001 C CNN
-	1    1100 4400
-	1    0    0    -1  
-$EndComp
-$Comp
-L Device:C C?
-U 1 1 61120E61
-P 850 4100
-F 0 "C?" H 965 4146 50  0000 L CNN
-F 1 "22pF" H 965 4055 50  0000 L CNN
-F 2 "" H 888 3950 50  0001 C CNN
-F 3 "~" H 850 4100 50  0001 C CNN
-	1    850  4100
-	-1   0    0    1   
-$EndComp
-$Comp
-L Device:C C?
-U 1 1 61122664
-P 1350 4100
-F 0 "C?" H 1465 4146 50  0000 L CNN
-F 1 "22pF" H 1465 4055 50  0000 L CNN
-F 2 "" H 1388 3950 50  0001 C CNN
-F 3 "~" H 1350 4100 50  0001 C CNN
-	1    1350 4100
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	850  4250 850  4350
-Wire Wire Line
-	1100 4400 1100 4350
-Wire Wire Line
-	850  3950 850  3850
-Connection ~ 1100 4350
-Wire Wire Line
-	1100 4350 1100 4050
-Wire Wire Line
-	1350 4250 1350 4350
-Wire Wire Line
-	1350 4350 1100 4350
-Wire Wire Line
-	1350 3950 1350 3850
-Wire Wire Line
-	1350 3850 1250 3850
-Wire Wire Line
-	1100 3650 1100 3450
-Wire Wire Line
-	1750 3850 1350 3850
-Connection ~ 1350 3850
-Connection ~ 850  3850
-Wire Wire Line
-	850  3850 950  3850
-Wire Wire Line
-	850  4350 1100 4350
-Wire Wire Line
-	450  3850 850  3850
-Text Label 4750 3900 0    50   ~ 0
-BOOT1
-Wire Wire Line
-	4750 3900 5350 3900
-Text Label 3250 3900 2    50   ~ 0
-BOOT1
-$Comp
-L Device:R R?
-U 1 1 61177E61
-P 2950 4100
-F 0 "R?" H 3020 4146 50  0000 L CNN
-F 1 "10K" H 3020 4055 50  0000 L CNN
-F 2 "" V 2880 4100 50  0001 C CNN
-F 3 "~" H 2950 4100 50  0001 C CNN
-	1    2950 4100
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	3250 3900 2950 3900
-Wire Wire Line
-	2950 3900 2950 3950
-$Comp
-L power:GND #PWR?
-U 1 1 6117BC40
-P 2950 4300
-F 0 "#PWR?" H 2950 4050 50  0001 C CNN
-F 1 "GND" H 2955 4127 50  0000 C CNN
-F 2 "" H 2950 4300 50  0001 C CNN
-F 3 "" H 2950 4300 50  0001 C CNN
-	1    2950 4300
-	1    0    0    -1  
-$EndComp
-Wire Wire Line
-	2950 4300 2950 4250
-Text Label 7150 4000 2    50   ~ 0
-I2S3_WS
-Text Label 7650 4200 0    50   ~ 0
-I2S2_MCK
-Text Label 4750 4300 0    50   ~ 0
-RX1
-Wire Wire Line
-	4700 4300 5350 4300
-Wire Wire Line
-	7250 5100 6650 5100
-Text Label 4750 4700 0    50   ~ 0
-I2S3_MCK
-Text HLabel 7200 4000 2    50   Input ~ 0
-DAC_LRCK
-Wire Wire Line
-	6650 4000 7200 4000
-Wire Wire Line
-	4700 4700 5350 4700
-Text HLabel 4700 4700 0    50   Input ~ 0
-DAC_BCK
-$EndSCHEMATC
diff --git a/CAD/datasheet/rm0383-stm32f411xce-advanced-armbased-32bit-mcus-stmicroelectronics.pdf b/CAD/datasheet/rm0383-stm32f411xce-advanced-armbased-32bit-mcus-stmicroelectronics.pdf
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