# Echo

A counting test source for trying Phloem out

- Category: Examples
- Capabilities: Streams
- Runs on: Linux x64, Linux ARM64, macOS Apple silicon, macOS Intel, Windows x64

Try Phloem with no hardware. Echo streams one test channel, `/echo/value`, so
you can watch a value move on **Live**.

## What you get

- **Streams data** — one channel, `/echo/value` (f64, 5 Hz).

## When to use it

- To check a fresh install: install it, add it, and confirm the channel
  appears on **Live**.

## Connection fields

| Field | Type | Required | Notes |
|---|---|---|---|
| Rate (Hz) | Number | No |  |