Rev 1989 Rev 1990
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5 <title> About MLAB </title> 5 <title> About MLAB </title>
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51 <a href="PIC/about_bastl.jpg"><img width=480 height=360 src="PIC/about_bastl_small.jpg" 51 <a href="PIC/about_bastl.jpg"><img width=480 height=360 src="PIC/about_bastl_small.jpg"
52 alt="Sample picture"></a> 52 alt="Sample picture"></a>
53 </p> 53 </p>
54 <h1 class="FirstWord Small"> 54 <h1 class="FirstWord Small">
55 Purpose 55 Purpose
56 </h1> 56 </h1>
57 <p> 57 <p>
58 Basic reason for existence of MLAB is the need for opened robust and 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 59 somehow universal kit (as a box of universal bricks) for both electronic
60 hobbyists and professionals. MLAB is focused on general electronics and 60 hobbyists and professionals. MLAB is focused on general electronics and
61 microcontroller technology. It can be used for tuition as well. 61 microcontroller technology. It can be used for tuition as well.
62 </p> 62 </p>
63 <h1 class="FirstWord Small"> 63 <h1 class="FirstWord Small">
64 Features 64 Features
65 </h1> 65 </h1>
66 <p> 66 <p>
67 In opposite to another more known projects such as Arduino the MLAB is not a development platform 67 In opposite to another more known projects such as Arduino the MLAB is not a development platform
68 focused to only one architecture of microprocessors but uses many types of chips from much 68 focused to only one architecture of microprocessors but uses many types of chips from much
69 manufactures. In addition the MLAB provide much better design reliability which is achieved by using 69 manufactures. In addition the MLAB provide much better design reliability which is achieved by using
70 the base board usually made from aluminium or single sided PCB material. The board is not only 70 the base board usually made from aluminium or single sided PCB material. The board is not only
71 mechanical support but it is a good ground conductor as well. 71 mechanical support but it is a good ground conductor as well.
72 </p> 72 </p>
73 <p> 73 <p>
74 The base is furnished by holes for fastening of individual MLAB modules. 74 The base is furnished by holes for fastening of individual MLAB modules.
75 The holes are places on a grid every 10.16mm (0.4inch). Dimension of a 75 The holes are places on a grid every 10.16mm (0.4inch). Dimension of a
76 module can be any integer number of grid and screws are usually places 76 module can be any integer number of grid and screws are usually places
77 to all four corners. 77 to all four corners.
78 </p> 78 </p>
79 <p> 79 <p>
80 <a href="PIC/about_montage.jpg"><img width=480 height=360 src="PIC/about_montage_small.jpg" 80 <a href="PIC/about_montage.jpg"><img width=480 height=360 src="PIC/about_montage_small.jpg"
81 alt="Assembling of modules on the base"></a> 81 alt="Assembling of modules on the base"></a>
82 </p> 82 </p>
83 <p> 83 <p>
84 Electrical connections are made by stranded wires with female connectors 84 Electrical connections are made by stranded wires with female connectors
85 on both sides. On modules there are prepared jumper connectors in common 85 on both sides. On modules there are prepared jumper connectors in common
86 raster 2.54mm (that is 1/10 inch). Wires can be easily obtained from old 86 raster 2.54mm (that is 1/10 inch). Wires can be easily obtained from old
87 printer cable. There are a lot of wires of different colors, almost free. 87 printer cable. There are a lot of wires of different colors, almost free.
88 </p> 88 </p>
89 <p> 89 <p>
90 <a href="PIC/about_wires.jpg"><img width=480 height=360 src="PIC/about_wires_small.jpg" 90 <a href="PIC/about_wires.jpg"><img width=480 height=360 src="PIC/about_wires_small.jpg"
91 alt="Picture of wires"></a> 91 alt="Picture of wires"></a>
92 </p> 92 </p>
93 <p> 93 <p>
94 For power supplies it is used the same jumper connectors. Usually this 94 For power supplies it is used the same jumper connectors. Usually this
95 way: 95 way:
96 </p> 96 </p>
97 <ul> 97 <ul>
98 <li> 98 <li>
99 For +5V 3-pin jumpers are used. Both side pins are grounds and middle 99 For +5V 3-pin jumpers are used. Both side pins are grounds and middle
100 pin is power. This type of connector is used for stabilized +5V or for 100 pin is power. This type of connector is used for stabilized +5V or for
101 small voltage from batteries. 101 small voltage from batteries.
102 </li> 102 </li>
103 <li> 103 <li>
104 For power above +5V (typically +12V or +16V for programmer or for 104 For power above +5V (typically +12V or +16V for programmer or for
105 power electronics it is used 4-pin jumper connectors. Both side pins 105 power electronics it is used 4-pin jumper connectors. Both side pins
106 are ground and two middle pins are power. It is supposed that 106 are ground and two middle pins are power. It is supposed that
107 experimenter knows that he deals with “hi voltage” that can be 107 experimenter knows that he deals with “hi voltage” that can be
108 dangerous for some devices. 108 dangerous for some devices.
109 </li> 109 </li>
110 </ul> 110 </ul>
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