my_hex already contains the ASCII character value. Just type-cast it to a char , eg: uint8_t my_hex = 0x50; String my_char ... ... <看更多>

If you have a byte variable b , you can. write(b) it as it is. if it is ASCII code of a readable character, the Serial Monitor will display ... ... <看更多>

Prints out byte values in all possible formats: * as raw binary values * as ASCII-encoded decimal, hex, octal, and binary values. For more on ASCII, ... ... <看更多>

Arduino library to manipulate hexadecimal values with strings ... (tested with Arduino 0022 and 1.0.1) ... Convert an ASCII byte to a hex byte. ... <看更多>

You have a string of byte array. ... 0x1D hex to bin = 0b11101 bin. ascii. ... 0x00 - 0x1F 4. isdigit (c) ¶ Checks for an ASCII decimal digit, ... ... <看更多>

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