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332 miho 1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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3 <head>
171 miho 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
5 <title> About MLAB </title>
6 <meta name="keywords" content="MLAB Universal Electronic Modules and Articles Processors Electronics">
7 <meta name="description" content="MLAB Project, About Page">
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207 miho 11 <link rel="shortcut icon" type="image/x-icon" href="../Web/PIC/MLAB.ico">
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45 kakl 47  
54 miho 48 <!-- ============== TEXT ============== -->
171 miho 49 <div class="Text">
330 miho 50 <p>
51 <a href="PIC/about_bastl.jpg"><img width=480 height=360 src="PIC/about_bastl_small.jpg"
52 alt="Sample picture"></a>
45 kakl 53 </p>
330 miho 54 <h1 class="FirstWord Small">
55 Purpose
56 </h1>
57 <p>
58 Basic reason for existence of MLAB is the need for opened robust and
59 somehow universal kit (as a box of universal bricks) for both electronic
60 hobbyists and professionals. MLAB is focused on general electronics and
61 microcontroller technology. It can be used for tuition as well.
45 kakl 62 </p>
330 miho 63 <h1 class="FirstWord Small">
64 Features
65 </h1>
66 <p>
67 For serious work it is necessary to use system rigid enough to get good
68 reliability and mechanical stability. It is reached by base board
69 usually made from single sided PCB material. The board is not only
70 mechanical support but it is a good ground as well.
71 </p>
72 <p>
73 The base is furnished by holes for fastening of individual MLAB modules.
74 The holes are places on a grid every 10.16mm (0.4inch). Dimension of a
75 module can be any integer number of grid and screws are usually places
76 to all four corners.
77 </p>
78 <p>
79 <a href="PIC/about_montage.jpg"><img width=480 height=360 src="PIC/about_montage_small.jpg"
80 alt="Assembling of modules on the base"></a>
81 </p>
82 <p>
83 Electrical connections are made by stranded wires with female connectors
84 on both sides. On modules there are prepared jumper connectors in common
85 raster 2.54mm (that is 1/10 inch). Wires can be easily obtained from old
86 printer cable. There are a lot of wires of different colors, almost free.
87 </p>
88 <p>
89 <a href="PIC/about_wires.jpg"><img width=480 height=360 src="PIC/about_wires_small.jpg"
90 alt="Picture of wires"></a>
91 </p>
92 <p>
93 For power supplies it is used the same jumper connectors. Usually this
94 way:
95 </p>
96 <ul>
97 <li>
98 For +5V 3-pin jumpers are used. Both side pins are grounds and middle
99 pin is power. This type of connector is used for stabilized +5V or for
100 small voltage from batteries.
101 </li>
102 <li>
103 For power above +5V (typically +12V or +16V for programmer or for
104 power electronics it is used 4-pin jumper connectors. Both side pins
105 are ground and two middle pins are power. It is supposed that
106 experimenter knows that he deals with “hi voltage” that can be
107 dangerous for some devices.
108 </li>
109 </ul>
45 kakl 110 </div>
111  
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