# Build a Meshtastic IoT Sensor Grid with ThinkNode M1 & M2

> Step-by-step tutorial for building a decentralized IoT sensor network using ThinkNode M1 and M2 LoRa transceivers. Reads temperature, humidity, and pressure from a BME680 sensor and transmits data wirelessly via Meshtastic mesh protocol.

## Details

- **Difficulty:** intermediate
- **Project Type:** tutorial
- **Board Types:** nRF52840, ESP32-S3
- **Devices:** elecrow-thinknode-m1
- **Firmware:** Meshtastic, Arduino
- **Use Cases:** Environmental Monitoring, Mesh Networking, LoRa & WAN, IoT Prototyping
- **Links:** Tutorial: https://www.makerguides.com/meshtastic-iot-grid-with-thinknode-m1-m2/, Elecrow: https://www.elecrow.com/sharepj/build-an-meshtastic-iot-grid-with-thinknode-m1-m2-913.html

## Tags

`meshtastic`, `lora`, `iot`, `sensor-network`, `bme680`, `environmental-monitoring`, `mesh-networking`, `off-grid`

---
[View full page](https://openhardware.directory/projects/meshtastic-iot-sensor-grid-thinknode)