Browse code

Specify SW1 as 'Sub-miniature DPDT switch'

Clarissa Walker authored on 2023/06/09 02:55:45
Showing 1 changed files
... ...
@@ -41,5 +41,5 @@ Other Components
41 41
 (1) 2N3904 transistor
42 42
 (1) DO-41 diode, 1N4004 to 1N4007
43 43
 (1) barrel jack, 5.5mm x 2.1mm, female, 3 prong
44
-(1) DPDT ON-ON switch, 2.54mm x 5.08mm pin spacing
44
+(1) Sub-miniature DPDT ON-ON switch, 2.54mm x 5.08mm pin spacing
45 45
 (2) LM1117T-ADJ or LD1117 LDO regulator
46 46
\ No newline at end of file
Browse code

Update BOM to specify switch pin spacing

Clarissa Walker authored on 2023/06/09 01:28:35
Showing 1 changed files
... ...
@@ -2,9 +2,6 @@ Parallel JTAG (Wiggler) - BOM
2 2
 
3 3
 --
4 4
 
5
-Parts Quantity
6
-
7
-
8 5
 Capacitors
9 6
 
10 7
 (1) ceramic or film cap, 100nf
... ...
@@ -44,97 +41,5 @@ Other Components
44 41
 (1) 2N3904 transistor
45 42
 (1) DO-41 diode, 1N4004 to 1N4007
46 43
 (1) barrel jack, 5.5mm x 2.1mm, female, 3 prong
47
-(1) DPDT ON-ON switch, 2.54mm pin spacing
48
-(2) LM1117T-ADJ or LD1117 LDO regulator
49
-
50
-
51
-Components
52
-
53
-
54
-JTAG Section
55
-
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-J1 - DSUB-25 Connector, Right Angle, Male [1]
57
-P1 - 2 pin header
58
-P2 - 3 pin header
59
-P3 - 8 pin header
60
-U1 - 74HCT244 octal buffer/line driver [2]
61
-Q1 - 2N3904 transistor [3]
62
-D1 - 5mm LED, Yellow (VREF power indicator)
63
-C1 - Ceramic or Film cap, 100nf (output voltage filter)
64
-R1 - 1/4W resistor, 10K (to 2N3904, base)
65
-R2 - 1/4W resistor, 100 (to 74HCT244, 1A0)
66
-R3 - 1/4W resistor, 100 (to 74HCT244, 1A1)
67
-R4 - 1/4W resistor, 100 (to 74HCT244, 1A2)
68
-R5 - 1/4W resistor, 100 (to 74HCT244, 1A3)
69
-R6 - 1/4W resistor, 100 (from 74HCT244, 2Y0)
70
-R7 - 1/4W resistor, 47K (to 2N3904, base to emitter ground)
71
-R8 - 1/4W resistor, 2K2 (TMS power tap, current limiter)
72
-R9 - 1/4W resistor, 2K2 (TCK power tap, current limiter)
73
-R10 - 1/4W resistor, 2K2 (TDI power tap, current limiter)
74
-R11 - 1/4W resistor, 2K2 (nTRST power tap, current limiter)
75
-R12 - 1/4W resistor, 100 (from 2N3904, collector to nSRST)
76
-R13 - 1/4W resistor, 100 (to 74HCT244, 2A0, TDO)
77
-R14 - 1/4W resistor, 100 (from 74HCT244, 1Y3, nTRST)
78
-R15 - 1/4W resistor, 100 (from 74HCT244, 1Y2, TDI)
79
-R16 - 1/4W resistor, 100 (from 74HCT244, 1Y1, TCK)
80
-R17 - 1/4W resistor, 100 (from 74HCT244, 1Y0, TMS)
81
-R18 - 1/4W resistor, 1K (nSRST pullup resistor)
82
-R19 - 1/4W resistor, 330 to 5K1 (VREF LED current limiter) [4]
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-
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-
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-Dual Power Supply Section
86
-
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-J2 - Barrel Jack, 5.5mm x 2.1mm, female, 3 prong (VCC)
88
-SW1 - DPDT ON-ON switch, 2.54mm pin spacing (3V3/5V0 power switch)
89
-U2 - LM1117T-ADJ or LD1117 LDO regulator (3V3 power supply)
90
-U3 - LM1117T-ADJ or LD1117 LDO regulator (5V0 power supply)
91
-D2 - 5mm LED, Green (3V3 power indicator)
92
-D3 - 5mm LED, Red (5V0 power indicator)
93
-D4 - DO-41 diode, 1N4004 to 1N4007 (protection diode)
94
-C2 - Electrolytic cap, 100uf 16V (3V3 power supply in filter)
95
-C3 - Electrolytic cap, 100uf 6.3V (3V3 power supply adj to out filter)
96
-C4 - Electrolytic cap, 100uf 6.3V (3V3 power supply out filter)
97
-C5 - Electrolytic cap, 100uf 16V (5V0 power supply in filter)
98
-C6 - Electrolytic cap, 100uf 6.3V (5V0 power supply adj to out filter)
99
-C7 - Electrolytic cap, 100uf 6.3V (5V0 power supply out filter)
100
-R20 - 1/4W resistor, 330 (3V3 power supply adj)
101
-R21 - 1/4W resistor, 200 (3V3 power supply out)
102
-R22 - 1/4W resistor, 330 to 5K1 (3V3 LED current limiter) [4]
103
-R23 - 1/4W resistor, 680 (5V0 power supply adj)
104
-R24 - 1/4W resistor, 220 (5V0 power supply out)
105
-R25 - 1/4W resistor, 330 to 5K1 (5V0 LED current limiter) [4]
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-
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-
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-Notes
109
-
110
-[1] The US standard is preferred, as this board is designed in the US. The
111
-    European standard may fit, but the installation may be off by ~1.3mm; it
112
-    will slightly stick out. An European variant will be created soon.
113
-
114
-    US standard
115
-    board edge to nearest pin line: ~8.08mm
116
-    board edge to mounting hole: ~9.50mm
117
-    
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-    European standard
119
-    board edge to nearest pin line: ~9.40mm
120
-    board edge to mounting pin: ~11.80mm
121
-
122
-[2] You can also use the HC variant, but HCT is recommended. You're also better
123
-    off socketing this IC!
124
-
125
-[3] 2N3904 NPN transistor is from the original alec @ sensi.org schematic. It
126
-    is US-centric, however. The onetransistor.eu schematic uses the BC548 due
127
-    to the schematic's European origin. To install the BC548 NPN transistor, it
128
-    must be installed backward in comparison to its 2N3904 cousin.
129
-
130
-    However, the other European BC547 is exactly pin-to-pin compatible to the
131
-    2N3904, so backwards installation is not necessary.
132
-
133
-    2N3904, 2N2222, BC547 = EBC
134
-    BC548, BC337 = CBE
135
-
136
-[4] LED brightness. The higher value the resistor is, the lower the LED's
137
-    brightness is. Notice R20 is separate from these resistors. Do NOT change
138
-    this particular resistor unless you know what you are doing, as it affects
139
-    the set voltage from 3V3!
140 44
\ No newline at end of file
45
+(1) DPDT ON-ON switch, 2.54mm x 5.08mm pin spacing
46
+(2) LM1117T-ADJ or LD1117 LDO regulator
141 47
\ No newline at end of file
Browse code

Initial commit

Clarissa Walker authored on 2023/06/08 01:19:16
Showing 1 changed files
1 1
new file mode 100644
... ...
@@ -0,0 +1,140 @@
1
+Parallel JTAG (Wiggler) - BOM
2
+
3
+--
4
+
5
+Parts Quantity
6
+
7
+
8
+Capacitors
9
+
10
+(1) ceramic or film cap, 100nf
11
+(2) electrolytic cap, 100uf 16V
12
+(4) electrolytic cap, 100uf 6.3V
13
+
14
+Resistors
15
+
16
+(11) 1/4W resistor, 100
17
+(1) 1/4W resistor, 200
18
+(1) 1/4W resistor, 220
19
+(1) 1/4W resistor, 330
20
+(3) 1/4W resistor, 330 to 5K1
21
+(1) 1/4W resistor, 680
22
+(1) 1/4W resistor, 1K
23
+(4) 1/4W resistor, 2K2
24
+(1) 1/4W resistor, 10K
25
+(1) 1/4W resistor, 47K
26
+
27
+LEDs
28
+
29
+(1) 5mm LED, Red
30
+(1) 5mm LED, Yellow
31
+(1) 5mm LED, Green
32
+
33
+Headers
34
+
35
+(1) 2 pin header
36
+(1) 3 pin header
37
+(1) 8 pin header
38
+
39
+Other Components
40
+
41
+(1) DSUB-25 connector, right angle, male
42
+(1) 74HCT244 octal buffer/line driver
43
+(1) 20-pin socket [recommended]
44
+(1) 2N3904 transistor
45
+(1) DO-41 diode, 1N4004 to 1N4007
46
+(1) barrel jack, 5.5mm x 2.1mm, female, 3 prong
47
+(1) DPDT ON-ON switch, 2.54mm pin spacing
48
+(2) LM1117T-ADJ or LD1117 LDO regulator
49
+
50
+--
51
+
52
+Components
53
+
54
+
55
+JTAG Section
56
+
57
+J1 - DSUB-25 Connector, Right Angle, Male [1]
58
+P1 - 2 pin header
59
+P2 - 3 pin header
60
+P3 - 8 pin header
61
+U1 - 74HCT244 octal buffer/line driver [2]
62
+Q1 - 2N3904 transistor [3]
63
+D1 - 5mm LED, Yellow (VREF power indicator)
64
+C1 - Ceramic or Film cap, 100nf (output voltage filter)
65
+R1 - 1/4W resistor, 10K (to 2N3904, base)
66
+R2 - 1/4W resistor, 100 (to 74HCT244, 1A0)
67
+R3 - 1/4W resistor, 100 (to 74HCT244, 1A1)
68
+R4 - 1/4W resistor, 100 (to 74HCT244, 1A2)
69
+R5 - 1/4W resistor, 100 (to 74HCT244, 1A3)
70
+R6 - 1/4W resistor, 100 (from 74HCT244, 2Y0)
71
+R7 - 1/4W resistor, 47K (to 2N3904, base to emitter ground)
72
+R8 - 1/4W resistor, 2K2 (TMS power tap, current limiter)
73
+R9 - 1/4W resistor, 2K2 (TCK power tap, current limiter)
74
+R10 - 1/4W resistor, 2K2 (TDI power tap, current limiter)
75
+R11 - 1/4W resistor, 2K2 (nTRST power tap, current limiter)
76
+R12 - 1/4W resistor, 100 (from 2N3904, collector to nSRST)
77
+R13 - 1/4W resistor, 100 (to 74HCT244, 2A0, TDO)
78
+R14 - 1/4W resistor, 100 (from 74HCT244, 1Y3, nTRST)
79
+R15 - 1/4W resistor, 100 (from 74HCT244, 1Y2, TDI)
80
+R16 - 1/4W resistor, 100 (from 74HCT244, 1Y1, TCK)
81
+R17 - 1/4W resistor, 100 (from 74HCT244, 1Y0, TMS)
82
+R18 - 1/4W resistor, 1K (nSRST pullup resistor)
83
+R19 - 1/4W resistor, 330 to 5K1 (VREF LED current limiter) [4]
84
+
85
+
86
+Dual Power Supply Section
87
+
88
+J2 - Barrel Jack, 5.5mm x 2.1mm, female, 3 prong (VCC)
89
+SW1 - DPDT ON-ON switch, 2.54mm pin spacing (3V3/5V0 power switch)
90
+U2 - LM1117T-ADJ or LD1117 LDO regulator (3V3 power supply)
91
+U3 - LM1117T-ADJ or LD1117 LDO regulator (5V0 power supply)
92
+D2 - 5mm LED, Green (3V3 power indicator)
93
+D3 - 5mm LED, Red (5V0 power indicator)
94
+D4 - DO-41 diode, 1N4004 to 1N4007 (protection diode)
95
+C2 - Electrolytic cap, 100uf 16V (3V3 power supply in filter)
96
+C3 - Electrolytic cap, 100uf 6.3V (3V3 power supply adj to out filter)
97
+C4 - Electrolytic cap, 100uf 6.3V (3V3 power supply out filter)
98
+C5 - Electrolytic cap, 100uf 16V (5V0 power supply in filter)
99
+C6 - Electrolytic cap, 100uf 6.3V (5V0 power supply adj to out filter)
100
+C7 - Electrolytic cap, 100uf 6.3V (5V0 power supply out filter)
101
+R20 - 1/4W resistor, 330 (3V3 power supply adj)
102
+R21 - 1/4W resistor, 200 (3V3 power supply out)
103
+R22 - 1/4W resistor, 330 to 5K1 (3V3 LED current limiter) [4]
104
+R23 - 1/4W resistor, 680 (5V0 power supply adj)
105
+R24 - 1/4W resistor, 220 (5V0 power supply out)
106
+R25 - 1/4W resistor, 330 to 5K1 (5V0 LED current limiter) [4]
107
+
108
+
109
+Notes
110
+
111
+[1] The US standard is preferred, as this board is designed in the US. The
112
+    European standard may fit, but the installation may be off by ~1.3mm; it
113
+    will slightly stick out. An European variant will be created soon.
114
+
115
+    US standard
116
+    board edge to nearest pin line: ~8.08mm
117
+    board edge to mounting hole: ~9.50mm
118
+    
119
+    European standard
120
+    board edge to nearest pin line: ~9.40mm
121
+    board edge to mounting pin: ~11.80mm
122
+
123
+[2] You can also use the HC variant, but HCT is recommended. You're also better
124
+    off socketing this IC!
125
+
126
+[3] 2N3904 NPN transistor is from the original alec @ sensi.org schematic. It
127
+    is US-centric, however. The onetransistor.eu schematic uses the BC548 due
128
+    to the schematic's European origin. To install the BC548 NPN transistor, it
129
+    must be installed backward in comparison to its 2N3904 cousin.
130
+
131
+    However, the other European BC547 is exactly pin-to-pin compatible to the
132
+    2N3904, so backwards installation is not necessary.
133
+
134
+    2N3904, 2N2222, BC547 = EBC
135
+    BC548, BC337 = CBE
136
+
137
+[4] LED brightness. The higher value the resistor is, the lower the LED's
138
+    brightness is. Notice R20 is separate from these resistors. Do NOT change
139
+    this particular resistor unless you know what you are doing, as it affects
140
+    the set voltage from 3V3!
0 141
\ No newline at end of file