Value Display widget
What it does
Large numeric readout for a single scalar. The most common tile for telemetry like temperature, current or uptime.
Pins
- Semantics: Single virtual pin (V1..V127)
- Reads from one virtual pin, V1..V127.
- Default size: 3 x 2
Config fields
| Field | Type | Default | Effect |
|---|---|---|---|
min | number | — | Optional lower bound for coloring. |
max | number | — | Optional upper bound for coloring. |
unit | text | — | Unit suffix beside the number. |
precision | number | 0 | Decimal places rendered. |
title | text | — | Optional caption above the number. |
hideValue | boolean | false | Hides the number while keeping the frame. |
color | color | — | Accent for the readout. |
Typical use
firmware.ino
void loop() { float value = readTemp(); Blynk.virtualWrite(V3, value);}iOS app
Yes — iOS Value Display uses the same title/unit/precision fields.