v148 · Devices

Protocol Decoder

Real serial devices speak binary protocols — not plain text. This tool decodes common serial frame formats (NMEA sentences, Modbus RTU, custom framed messages) from hex input, with sample NMEA data showing what parsing GPS serial output looks like with the Web Serial API on Android Chrome 148+.

Protocol decoder —

NMEA 0183 sentence (ASCII):

Sample serial stream (NMEA sentences)

implementation reference

Need the exact API surface, compatibility boundaries, errors, lifecycle, and source links? Read the matching gendn reference ↗