Schematic diagram – Velleman К8076 User Manual
Page 14

14
21. Schematic diagram.
Schematic diagram
1
SW
-
+
15V DC
SK1
1N4007
D1
GND
220µ F/35
C10
GND
I
O
GN
D
UA78L05
VR2
I
O
GN
D
UA7812
VR1
GND
100n
C1
GND
100n
C2
100n
C3
1N4148
D3
1N4148
D2
GND
GND
+VPIC
+VPP
1
6
2
7
3
8
4
9
5
S
U
B
D
9
-P
-
I
B
M
S
E
R
IA
L
I
N
T
E
R
F
A
C
E
SK2
+5V
GND
GND
GND
GND
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
40P ZIF-SOCKET
PI
C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20PIN HEADER
SK5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
20PIN HEADER
SK6
+VPIC
GND
10µ F
C4
GND
10µ F
C5
FB47
R10
GND
+5V
1K5
R1
PG.
LD1
GND
DPGD
LD2
DVPP
LD4
3K3
R4
+VPP
C1+
1
C1-
3
C2+
4
C2-
5
VC
C
16
V+
2
T1OUT
14
V-
6
T1IN
11
T2IN
10
R1OUT
12
R2OUT
9
T2OUT
7
R1IN
13
R2IN
8
GN
D
15
MAX232N
IC1
C8
C9
1µ Fµ
C6
1µ
C7
BC547C
T1
1N4148
D4
100K
R8
10K
R9
100K
R6
FB220
R11
3
2
IC2A
11
12
IC2E
5
4
IC2B
9
10
IC2D
14
15
1
8
VCC
VSS
CD4049B
IC2F
7
6
IC2C
GND
+VPIC
DPGC
LD3
3K3
R2
3K3
R3
GND
GND
1
2
3
4
5
ICSP2
SK4
1
2
3
4
5
ICSP1
SK3
3K3
R5
BC557C
T2
+VPP
100K
R7
ICSP CONNECTORS
1 VPP
2 +VPIC (5V)
3 GND
4 PGM DATA (PGD)
5 PGM CLOCK (PGC)
1µ Fµ
1µ Fµ
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