Text Input widget
What it does
Freeform string input for commands, tokens or configuration fields. Payload is a plain UTF-8 body.
Pins
- Semantics: Single virtual pin (V1..V127)
- Writes a UTF-8 string to one virtual pin, V1..V127.
- Default size: 4 x 1
Config fields
| Field | Type | Default | Effect |
|---|---|---|---|
fontSize | number | 14 | Editor font size. |
alignment | select (left / center / right) | left | Text alignment inside the input. |
color | color | — | Accent for the border. |
Typical use
firmware.ino
BLYNK_WRITE(V1) { String cmd = param.asStr(); handleCommand(cmd);}iOS app
Yes — iOS text input shares the string payload contract.