Gauge widget
What it does
Analog-style circular meter for bounded sensor values. Read-only; the firmware publishes the latest scalar through Blynk.virtualWrite.
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 | 0 | Lower bound of the arc. |
max | number | 100 | Upper bound of the arc. |
unit | text | — | Unit suffix rendered inside the dial. |
precision | number | 0 | Decimal places for the readout. |
title | text | — | Optional caption above the dial. |
style | select (arc / ring / half) | arc | Dial geometry. |
color | color | — | Active arc color. |
Typical use
firmware.ino
void loop() { float value = readPressure(); Blynk.virtualWrite(V1, value);}iOS app
Yes — iOS gauge supports arc/ring/half with identical range semantics.