Serial Terminal

Connect a serial device, send and receive UTF-8 or Hex, download raw received bytes.

Runs in this browser
Select a serial device to start.

RX

0 B

TX

0 B

Cached

0 B

Discarded

0 B
Serial consoleText follows arrival order; Hex shows the latest 200 packets.
Connect a device to inspect received data.
0 B · Ctrl / ⌘ + EnterUp to 64 KiB per send. Writes occur only when you send.

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