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Motor Encoder Components Arduino Uno 4x4 Keypad I2C LCD DC Motor with encoder L293D Motor Driver Connections Display connections From (I2C display) To (arduino) 1 VCC 5V 2 GND GND 3 SDA SDA 4 SCL SCL Keypad connections From (Keypad) To (arduino) 1 Row 1 D13 2 Row 2 D12 3 Row 3 D11 4 Row 4 D10 5 Col 1 D9 6 Col 2 D8 7 Col 3 D7 8 Col 4 D4 Motor connections From (Motor) To 1 Motor negative Output 4 (L293D) 2 Motor positive Output 3 (L293D) 3 Encoder ground GND (L293D) 4 Channel B D3 (arduino) 5 Channel A D2 (arduino) 6 Encoder power 5V (arduino) L293D connections From (L293D) To (arduino) 1 Power 1 5V 2 Input 4 D5 3 Output 4 refer above 4 Ground GND (both arduino/motor) 5 Ground GND (both arduino/motor) 6 Output 3 refer above 7 Input 3 D6 8 Enable 3,4 5V 9 Enable 1,2 5V 10 Input 1 N/A 11 Output 1 N/A 12 Ground GND 13 Ground GND 14 Output 2 N/A 15 Input 2 N/A 16 Power 2 5V Code 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 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 // ---------- // keypad setup #include <Keypad....

ARM Basics Advanced RISC Machine (ARM) is a family of reduced instruction set computing (RISC) architectures for computer processors, configured for various environments. Arm Holdings develops the architecture and licenses it to other companies, who design their own products that implement one of those architectures‍—‌including systems-on-chips (SoC) and systems-on-modules (SoM) that incorporate memory, interfaces, radios, etc. It also designs cores that implement this instruction set and licenses these designs to a number of companies that incorporate those core designs into their own products....

Web notes FYI CSA: Client server architecture A web can be two tier, three tier, n tier having different applets for different purposes HTML: Hypertext markup lang, CSS: Cascading stylesheet, JS: Javascript P2P: Peer to peer architecture DOM: Document Object Model (DOM) is a file model wherein all the files are shown in a multiinterface structural model Tree stucture: A tree structure is a model where the start point is a single node but as we go down the model the number of nodess increase just like a tree....

Static site generators A short guide on how this site was created using hugo. Introduction There are multiple ways of creating of a website, if for example a simple site needs to be created with minimal content and updates a static site might be adequate, however if the site needs a frontend, backend and a database then a dynamic site is required. If the content is the only thing that matters and the content needs to be updated regularly then a static site generator is required....

Sql documentation Installation The installation and usage of MySQL can be done in many ways; one is to install WAMP/XAMPP server and using SQL through it another is to use an online sql emulator, the best way is to use a MySQL server. Getting started with MySQL All the operations in SQL can be classified into 3 types DDL: Data definition language includes operation like create, alter, drop DML: Data manipulation language includes operation like select, insert, update, delete DCL: Data control language includes operations like commit, rollback, grant, revoke...