
APPENDIX A
ASCII Character Codes
DECIMAL to HEX to ASCII CONVERSION TABLE
DEC | HEX | ASCII | KEY | DEC  | HEX  | ASCII  | DEC  | HEX  | ASCII  | DEC  | HEX  | ASCII  | 
0  | 0  | NUL  | ctrl @  | 32  | 20  | SP  | 64  | 40  | @  | 96  | 60  | `  | 
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1  | 1  | SOH  | ctrl A  | 33  | 21  | !  | 65  | 41  | A  | 97  | 61  | a  | 
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2  | 2  | STX  | ctrl B  | 34  | 22  | “  | 66  | 42  | B  | 98  | 62  | b  | 
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3  | 3  | ETX  | ctrl C  | 35  | 23  | #  | 67  | 43  | C  | 99  | 63  | c  | 
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4  | 4  | EOT  | ctrl D  | 36  | 24  | $  | 68  | 44  | D  | 100  | 64  | d  | 
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5  | 5  | ENQ  | ctrl E  | 37  | 25  | %  | 69  | 45  | E  | 101  | 65  | e  | 
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6  | 6  | ACK  | ctrl F  | 38  | 26  | &  | 70  | 46  | F  | 102  | 66  | f  | 
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7  | 7  | BEL  | ctrl G  | 39  | 27  | '  | 71  | 47  | G  | 103  | 67  | g  | 
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8  | 8  | BS  | ctrl H  | 40  | 28  | (  | 72  | 48  | H  | 104  | 68  | h  | 
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9  | 9  | HT  | ctrl I  | 41  | 29  | )  | 73  | 49  | I  | 105  | 69  | i  | 
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10  | A  | LF  | ctrl J  | 42  | 2A  | *  | 74  | 4A  | J  | 106  | 6A  | j  | 
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11  | B  | VT  | ctrl K  | 43  | 2B  | +  | 75  | 4B  | K  | 107  | 6B  | k  | 
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12  | C  | FF  | ctrl L  | 44  | 2C  | ,  | 76  | 4C  | L  | 108  | 6C  | l  | 
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13  | D  | CR  | ctrl M  | 45  | 2D  | -  | 77  | 4D  | M  | 109  | 6D  | m  | 
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14  | E  | SO  | ctrl N  | 46  | 2E  | .  | 78  | 4E  | N  | 110  | 6E  | n  | 
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15  | F  | SI  | ctrl O  | 47  | 2F  | /  | 79  | 4F  | O  | 111  | 6F  | o  | 
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16  | 10  | DLE  | ctrl P  | 48  | 30  | 0  | 80  | 50  | P  | 112  | 70  | p  | 
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17  | 11  | DC1  | ctrl Q  | 49  | 31  | 1  | 81  | 51  | Q  | 113  | 71  | q  | 
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18  | 12  | DC2  | ctrl R  | 50  | 32  | 2  | 82  | 52  | R  | 114  | 72  | r  | 
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19  | 13  | DC3  | ctrl S  | 51  | 33  | 3  | 83  | 53  | S  | 115  | 73  | s  | 
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20  | 14  | DC4  | ctrl T  | 52  | 34  | 4  | 84  | 54  | T  | 116  | 74  | t  | 
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21  | 15  | NAK  | ctrl U  | 53  | 35  | 5  | 85  | 55  | U  | 117  | 75  | u  | 
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22  | 16  | SYN  | ctrl V  | 54  | 36  | 6  | 86  | 56  | V  | 118  | 76  | v  | 
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23  | 17  | ETB  | ctrl W  | 55  | 37  | 7  | 87  | 57  | W  | 119  | 77  | w  | 
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24  | 18  | CAN  | ctrl X  | 56  | 38  | 8  | 88  | 58  | X  | 120  | 78  | x  | 
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25  | 19  | EM  | ctrl Y  | 57  | 39  | 9  | 89  | 59  | Y  | 121  | 79  | y  | 
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26  | 1A  | SUB  | ctrl Z  | 58  | 3A  | :  | 90  | 5A  | Z  | 122  | 7A  | z  | 
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27  | 1B  | ESC  | ctrl [  | 59  | 3B  | ;  | 91  | 5B  | [  | 123  | 7B  | {  | 
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28  | 1C  | FS  | ctrl \  | 60  | 3C  | <  | 92  | 5C  | \  | 124  | 7C  | |
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29  | 1D  | GS  | ctrl ]  | 61  | 3D  | =  | 93  | 5D  | ]  | 125  | 7D  | }  | 
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30  | 1E  | RS  | ctrl ^  | 62  | 3E  | >  | 94  | 5E  | ^  | 126  | 7E  | ~  | 
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31  | 1F  | US  | ctrl _  | 63  | 3F  | ?  | 95  | 5F  | _  | 127  | 7F  | DEL  | 
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Appendix A  | Appendix A  | 
B&B Electronics   | B&B Electronics   | 
PH (815)   | PH (815)   |