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ASCII Power Chart

This applicaiton note shows the current drawn by each of the ASCII configurations of the sixteen segment display.

Methodology

A single display is wired though uCurrent on the mA range. Connected to a single panel. A bash sctipt running on a pi-zero goes thougth entire ASCII set. A multimeter reads the output voltage as a current.

Tested at various brightnesses, no complete coverage just yet. Colums are notated as LED.BRIGHTNESS_LVL. All mesurements are in mA.

currTest

ASCII Code Char Example RED.14 RED.13 RED.12 RED.11 RED.10 RED.04 RED.02 RED.01
32 032 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2
33 ! 033 69.6 64.1 59.6 54.8 50.9 23.6
34 " 034 50.3 46.4 43.2 39.7 37.2 18.0
35 # 035 175.5 160.7 147.8 136.0 125.1 54.5
36 $ 036 213.5 195.6 180.0 165.6 152.3 66.1
37 % 037 216.0 195.3 179.7 165.3 152.1 67.0
38 & 038 187.0 172.0 158.2 145.6 133.9 58.4
39 ' 039 27.8 25.9 23.8 21.9 20.2 11.6
40 ( 040 62.1 57.4 52.8 48.6 44.7 21.5
41 ) 041 60.7 56.2 51.7 47.6 43.8 21.1
42 * 042 171.6 157.6 145.0 133.4 122.7 53.6
43 + 043 92.2 85.0 78.2 71.9 66.2 30.3
44 , 044 34.8 32.5 29.9 27.5 25.3 13.6
45 - 045 40.9 37.8 34.8 32.0 29.4 15.4
46 . 046 17.1 16.2 14.9 13.7 12.6 8.6
47 / 047 61.5 57.0 52.4 48.2 44.4 21.3
48 0 048 227.9 204.8 188.4 173.3 159.5 69.0
49 1 049 79.8 73.7 67.8 62.4 57.4 26.7
50 2 050 178.0 163.7 150.6 138.6 127.5 55.7
51 3 051 159.6 147.0 135.2 124.4 114.5 50.2
52 4 052 111.8 103.1 94.9 87.3 80.3 36.1
53 5 053 160.0 147.2 135.4 124.6 114.6 50.4
54 6 054 196.3 180.7 166.2 152.9 140.7 61.3
55 7 055 98.6 91.0 83.7 77.0 70.9 32.3
56 8 056 216.2 199.0 183.1 168.4 155.0 67.2
57 9 057 191.0 175.5 161.5 148.5 136.7 60.0
58 : 058 56.8 52.8 48.6 44.7 41.1 20.0
59 ; 059 56.9 53.0 48.8 44.9 41.3 20.1
60 < 060 79.9 73.8 67.9 62.5 57.5 26.7
61 = 061 82.0 75.5 69.5 63.9 58.8 27.4
62 > 062 79.4 73.2 67.3 62.0 57.0 26.6
63 ? 063 133.7 123.3 113.4 104.4 96.0 42.6
64 @ 064 197.0 181.4 166.9 153.5 141.3 61.5
65 A 065 178.0 163.8 150.7 138.6 127.5 55.8
66 B 066 199.6 183.8 169.1 155.6 143.1 62.4
67 C 067 141.5 130.3 119.9 110.3 101.5 45.0
68 D 068 179.0 164.7 151.5 139.4 128.2 56.2
69 E 069 160.3 149.0 137.1 126.1 116.0 50.6
70 F 070 121.6 112.3 103.3 95.1 87.4 39.2
71 G 071 182.2 167.9 154.5 142.1 130.7 57.1
72 H 072 137.2 126.5 116.4 107.1 98.5 43.7
73 I 073 137.7 126.8 116.7 107.3 98.7 43.9
74 J 074 123.0 113.5 104.4 96.1 88.4 39.4
75 K 075 125.7 116.0 106.7 98.2 90.3 40.3
76 L 076 100.7 93.0 85.6 78.7 72.4 32.9
77 M 077 137.6 126.7 116.6 107.2 98.7 43.9
78 N 078 143.3 132.0 121.4 111.7 102.8 45.5
79 O 079 182.8 168.4 154.9 142.5 131.1 57.3
80 P 080 156.5 144.7 133.1 122.5 112.7 49.5
81 Q 081 203.0 186.0 171.1 157.4 144.8 63.2
82 R 082 179.2 165.1 151.9 139.7 128.6 56.4
83 S 083 170.1 157.2 144.6 133.1 122.4 53.8
84 T 084 97.8 90.6 83.4 76.7 70.5 32.2
85 U 085 142.4 131.2 120.7 111.0 102.2 45.2
86 V 086 107.0 98.8 90.9 83.6 76.9 34.8
87 W 087 141.3 130.2 119.8 110.2 101.4 44.9
88 X 088 107.2 99.0 91.1 83.8 77.1 34.8
89 Y 089 151.5 139.1 128.0 117.7 108.3 48.0
90 Z 090 142.1 130.7 120.2 110.6 101.8 45.2
91 [ 091 106.0 98.0 90.2 82.9 76.3 34.5
92 \ 092 61.2 56.8 52.3 48.1 44.2 21.3
93 ] 093 106.6 98.6 90.7 83.5 76.8 34.6
94 ^ 094 60.1 55.6 51.2 47.1 43.3 21.0
95 _ 095 46.8 43.2 39.7 36.6 33.6 17.1
96 ` 096 31.3 29.2 26.9 24.7 22.7 12.7
97 a 097 119.5 110.1 101.3 93.2 85.7 38.2
98 b 098 128.6 118.7 109.2 100.5 92.4 41.0
99 c 099 81.6 75.4 69.4 63.8 58.7 27.2
100 d 100 125.8 116.1 106.8 98.3 90.4 40.2
101 e 101 104.4 96.4 88.7 81.6 75.1 33.9
102 f 102 119.0 108.9 100.2 92.2 84.8 38.0
103 g 103 146.2 135.0 124.2 114.3 105.1 46.3
104 h 104 103.8 96.0 88.3 81.3 74.8 33.8
105 i 105 34.7 32.3 29.7 27.3 25.2 13.6
106 j 106 106.9 98.6 90.7 83.5 76.8 34.6
107 k 107 105.7 97.6 89.8 82.6 76.0 34.3
108 l 108 60.9 56.5 52.0 47.8 44.0 21.2
109 m 109 112.6 103.6 95.3 87.7 80.7 36.2
110 n 110 80.0 73.9 68.0 62.5 57.5 26.8
111 o 111 104.8 96.7 89.0 81.8 75.3 34.0
112 p 112 123.7 114.2 105.1 96.7 88.9 39.6
113 q 113 122.0 112.6 103.6 95.3 87.7 39.1
114 r 114 56.7 52.6 48.4 44.5 41.0 20.0
115 s 115 128.7 118.9 109.4 100.6 92.6 41.1
116 t 116 105.5 97.6 89.8 82.6 76.0 34.2
117 u 117 84.8 78.2 71.9 66.2 60.9 29.2
118 v 118 60.7 56.2 51.7 47.6 43.8 21.2
119 w 119 97.0 89.4 82.2 75.7 69.6 31.7
120 x 120 107.8 99.5 91.5 84.2 77.5 34.9
121 y 121 120.0 110.8 101.9 93.8 86.3 38.5
122 z 122 78.8 72.9 67.1 61.7 56.8 25.4
123 { 123 126.2 116.6 107.3 98.7 90.8 40.3
124 | 124 57.1 53.0 48.8 44.9 41.3 20.1
125 } 125 127.6 117.8 108.4 99.7 91.7 40.7
126 ~ 126 92.3 85.2 78.4 72.1 66.3 30.4
127 (del) 127 5.2 5.2 5.2 5.2 5.2 5.2 5.2 5.2