Internetspeed
Small dashboard visualize upload, download and ping (current and timewindow of today)
It uses the build in [[inputs.internet_speed]], so no need for speedtest_cli but no jitter 

https://github.com/influxdata/telegraf/issues/9852

reading from an bucket in influxdb_v2 called telegraf
{
  "__inputs": [
    {
      "name": "DS_INFLUXDB",
      "label": "InfluxDB",
      "description": "Bucket = \"telegraf\"",
      "type": "datasource",
      "pluginId": "influxdb",
      "pluginName": "InfluxDB"
    }
  ],
  "__elements": [],
  "__requires": [
    {
      "type": "panel",
      "id": "gauge",
      "name": "Gauge",
      "version": ""
    },
    {
      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "8.3.3"
    },
    {
      "type": "datasource",
      "id": "influxdb",
      "name": "InfluxDB",
      "version": "1.0.0"
    },
    {
      "type": "panel",
      "id": "stat",
      "name": "Stat",
      "version": ""
    },
    {
      "type": "panel",
      "id": "timeseries",
      "name": "Time series",
      "version": ""
    }
  ],
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "target": {
          "limit": 100,
          "matchAny": false,
          "tags": [],
          "type": "dashboard"
        },
        "type": "dashboard"
      }
    ]
  },
  "editable": false,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 0,
  "id": null,
  "links": [],
  "liveNow": true,
  "panels": [
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 6,
      "panels": [],
      "title": "Internet",
      "type": "row"
    },
    {
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "decimals": 2,
          "mappings": [],
          "max": 512,
          "min": 0,
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "semi-dark-green",
                "value": null
              }
            ]
          },
          "unit": "Mbits"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "download"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "Download"
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "upload"
            },
            "properties": [
              {
                "id": "displayName",
                "value": "Upload"
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 10,
        "w": 4,
        "x": 0,
        "y": 1
      },
      "id": 2,
      "interval": "5m",
      "options": {
        "orientation": "horizontal",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "showThresholdLabels": true,
        "showThresholdMarkers": false
      },
      "pluginVersion": "8.3.3",
      "targets": [
        {
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_INFLUXDB}"
          },
          "hide": false,
          "query": "from(bucket: \"telegraf\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> filter(fn: (r) => r[\"_measurement\"] == \"internet_speed\")\n  |> filter(fn: (r) => r[\"_field\"] == \"download\" or r[\"_field\"] == \"upload\")\n  |> fill(usePrevious: true)\n",
          "refId": "A"
        }
      ],
      "transparent": true,
      "type": "gauge"
    },
    {
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "continuous-RdYlGr"
          },
          "custom": {
            "axisLabel": "",
            "axisPlacement": "right",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 20,
            "gradientMode": "scheme",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 3,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 5,
        "w": 16,
        "x": 4,
        "y": 1
      },
      "id": 8,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "hidden",
          "placement": "bottom"
        },
        "tooltip": {
          "mode": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_INFLUXDB}"
          },
          "query": "from(bucket: \"telegraf\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> filter(fn: (r) => r[\"_measurement\"] == \"internet_speed\")\n  |> filter(fn: (r) => r[\"_field\"] == \"download\")\n  |> filter(fn: (r) => r[\"host\"] == \"6ea5f2f3a94b\")",
          "refId": "A"
        }
      ],
      "title": "Download",
      "transparent": true,
      "type": "timeseries"
    },
    {
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 100
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 10,
        "w": 3,
        "x": 20,
        "y": 1
      },
      "id": 4,
      "options": {
        "colorMode": "value",
        "graphMode": "area",
        "justifyMode": "auto",
        "orientation": "auto",
        "reduceOptions": {
          "calcs": [
            "mean"
          ],
          "fields": "",
          "values": false
        },
        "text": {
          "titleSize": 1
        },
        "textMode": "auto"
      },
      "pluginVersion": "8.3.3",
      "targets": [
        {
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_INFLUXDB}"
          },
          "query": "from(bucket: \"telegraf\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> filter(fn: (r) => r[\"_measurement\"] == \"internet_speed\")\n  |> filter(fn: (r) => r[\"_field\"] == \"latency\")\n  |> filter(fn: (r) => r[\"host\"] == \"6ea5f2f3a94b\")\n  |> aggregateWindow(every: v.windowPeriod, fn: mean, createEmpty: false)\n  |> yield(name: \"mean\")",
          "refId": "A"
        }
      ],
      "title": "Latency (Ping)",
      "transparent": true,
      "type": "stat"
    },
    {
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "continuous-RdYlGr"
          },
          "custom": {
            "axisLabel": "",
            "axisPlacement": "right",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 20,
            "gradientMode": "scheme",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 3,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 5,
        "w": 16,
        "x": 4,
        "y": 6
      },
      "id": 9,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "hidden",
          "placement": "bottom"
        },
        "tooltip": {
          "mode": "single"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "influxdb",
            "uid": "${DS_INFLUXDB}"
          },
          "query": "from(bucket: \"telegraf\")\n  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)\n  |> filter(fn: (r) => r[\"_measurement\"] == \"internet_speed\")\n  |> filter(fn: (r) => r[\"_field\"] == \"upload\")\n  |> filter(fn: (r) => r[\"host\"] == \"6ea5f2f3a94b\")",
          "refId": "A"
        }
      ],
      "title": "Upload",
      "transparent": true,
      "type": "timeseries"
    }
  ],
  "schemaVersion": 34,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": []
  },
  "time": {
    "from": "now/d",
    "to": "now"
  },
  "timepicker": {
    "hidden": true,
    "refresh_intervals": [
      "1m"
    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ],
    "type": "timepicker"
  },
  "timezone": "browser",
  "title": "Internetspeed",
  "uid": "pG2r7s1nz",
  "version": 10,
  "weekStart": "",
  "gnetId": 15580,
  "description": "Small dashboard visualize upload, download and ping (current and timewindow of today)"
}