Understanding Binary Data Transmission
See how text is encoded to binary bytes for transmission across serial lines, Bluetooth, and radio.
Data Comms tips
Serial communication (UART) sends data bit by bit. Text must first be converted to bytes, then transmitted as binary pulses — this tool shows the bytes.
Arduino and microcontrollers communicate over serial in ASCII. "Hello " = 48 65 6C 6C 6F 0A in hex = 01001000 01100101 ... in binary.
The newline grouping mode shows each character on its own line — useful for debugging character-by-character data streams.
Copy the binary output in newline mode and paste it into your documentation or debugging notes to record exact byte sequences.
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