Sparkline Widget Examples

Example 1: BTC Price Trend (Single Series)

Datasource Setup

1. Add datasource.
2. Set Type = HTTP.
3. Set Title = btcTicker.
4. Set URL = https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd.
5. Set Refresh = 15 seconds.
6. Save.

Widget Setup

1. Add widget.
2. Set Type = Sparkline.
3. Set Title = BTC Trend.
4. Set Header Text = BTC/USD.
5. Set History Length = 120.
6. Set Line Width = 2.
7. Set Scale Mode = Auto.
8. Set Value Path = btcTicker.bitcoin.usd.
9. Leave Series Paths empty.
10. Save.

Expected output: one trend line showing recent BTC movement.

Example 2: Temperature + Wind (Multi-Series)

Datasource Setup

1. Add datasource.
2. Set Type = HTTP.
3. Set Title = weatherTrend.
4. Set URL = https://api.open-meteo.com/v1/forecast?latitude=40.7128&longitude=-74.0060&current_weather=true.
5. Set Refresh = 30 seconds.
6. Save.

Widget Setup

1. Add widget.
2. Set Type = Sparkline.
3. Set Title = NYC Weather Trend.
4. Set Header Text = NYC.
5. Set History Length = 100.
6. Set Include Legend = true.
7. Set Legend Labels = Temp (C),Wind (km/h).
8. Set Series Paths = weatherTrend.current_weather.temperature,weatherTrend.current_weather.windspeed.
9. Set Scale Mode = Auto.
10. Save.

Expected output: two colored trend lines (temperature and wind speed).