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title: Telemetry & Sensors

parent: User Guide

nav_order: 9

last_updated: 2026-05-13

description: Sensor data on the mesh — supported environment, air quality, and power sensors, plus configuration and viewing guides.

aliases:

Tff7b72- sensors

Tff7b72- environment

Tff7b72- weather

Tc9d1d9 - power-metrics

Tc9d1d9---

Tc9d1d9# Telemetry & Sensors

Meshtastic nodes can collect and share sensor data across the mesh network.

Tc9d1d9## Overview

Telemetry allows nodes equipped with sensors to broadcast environmental, power, and device health information. This data is visible on the node detail screen and can be logged over time.

Tc9d1d9## Device Telemetry

All Meshtastic nodes report basic device telemetry:

| Metric | Aprašymas | Typical Range |

| ------------------- | ------------------------------ | ------------------------------------------------------------------ |

| Battery Level | Charge percentage | 0–100% |

| Voltage | Battery voltage | 3.0–4.2V (LiPo) |

| Kanalo panaudojimas | % of airtime used locally | 0–100% |

| Air Utilization TX | % of airtime used by this node | 0–100% |

| Uptime | Seconds since last boot | Varies |

Tc9d1d9## Environment Sensors

Supported environmental sensors:

Tc9d1d9### Temperature & Humidity

| Sensor | Temperatūra | Drėgmė | Pressure | Notes |

| ------- | ----------- | ------ | -------- | ----------------------- |

| BME280 | ✓ | ✓ | ✓ | Recommended all-in-one |

| BME680 | ✓ | ✓ | ✓ | Adds gas resistance/IAQ |

| SHT31 | ✓ | ✓ | — | High accuracy |

| MCP9808 | ✓ | — | — | Precision temperature |

| LPS22 | — | — | ✓ | Pressure only |

Tc9d1d9### Air Quality

| Sensor | Metric | Notes |

| -------- | -------------------------------------------------- | -------------------------- |

| BME680 | Gas Resistance / IAQ | Volatile organic compounds |

| PMSA003I | PM1.0, PM2.5, PM10 | Particulate matter |

| SEN55 | PM, NOx, VOC, Temp, Humidity | Multi-sensor |

Tc9d1d9### Light & UV

| Sensor | Metric |

| -------- | -------------------------------------- |

| OPT3001 | Ambient light (lux) |

| VEML7700 | Ambient light (lux) |

| LTR390 | UV index |

Tc9d1d9## Power Metrics

Nodes with INA-series power sensors can report:

| Metric | Aprašymas |

| ----------- | ----------------------------------------- |

| Bus Voltage | Supply rail voltage |

| Current | Power consumption (mA) |

| Power | Calculated power (mW) |

Useful for monitoring solar charging or battery health on remote nodes.

Tc9d1d9## Configuring Telemetry

Tff7b721. Navigate to **Settings → Module Config → Telemetry**.

Tff7b722. Set reporting intervals:

Tff7b72- **Device Metrics Interval** — how often to broadcast device metrics

Tff7b72- **Environment Metrics Interval** — how often to broadcast sensor data

Tff7b723. Enable specific sensor types as needed.

Tc9d1d9### Recommended Intervals

| Use Case | Device (s) | Environment (s) |

| ------------------------------------------ | ----------------------------- | ---------------------------------- |

| Urban mesh (many nodes) | 3600 | 3600 |

| Rural mesh (few nodes) | 900 | 900 |

| Weather station | 900 | 300 |

| Battery conservation | 7200 | 7200 |

Tff7b72> ⚠️ **Note:** Shorter intervals increase airtime usage and battery drain across the mesh.

Tc9d1d9## Viewing Telemetry

Tff7b721. Navigate to **Nodes** and select a node.

Tff7b722. Telemetry sections show on the detail screen:

Tff7b72- Device Metrics (always available)

Tff7b72- Environment Metrics (if sensors present)

Tff7b72- Power Metrics (if INA sensor present)

Tff7b723. Historical graphs show trends over time.


Tc9d1d9## Troubleshooting

Tff7b72- **No environment data showing?** The remote node needs a physical sensor connected (e.g., BME280 on I2C). Device telemetry (battery, uptime) is always available, but environment metrics require hardware.

Tff7b72- **Stale readings?** Check the reporting interval — very long intervals (7200s+) mean data updates infrequently. Also verify the remote node is still online.

Tff7b72- **Sensor conflict on I2C bus?** Some sensors share I2C addresses. If you have multiple sensors on the same bus, check for address collisions in the radio's serial debug output.

Tc9d1d9## Related Topics

Tff7b72- [Tff7b72Node Metrics](Te6edf3node-metrics) — view telemetry data on the node detail screen

Tff7b72- [Tff7b72Settings — Modules & Admin](Te6edf3settings-module-admin) — telemetry module configuration

Tff7b72- [Tff7b72Units & Locale](Te6edf3units-and-locale) — temperature and pressure display units

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