meshtastic/docs/software/integrations/caltopo.mdx
Ben Meadors 6a41f70d61 WIP
2023-06-17 07:03:18 -05:00

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---
id: integrations-caltopo
title: CalTopo / SARTopo
sidebar_label: CalTopo / SARTopo
sidebar_position: 1
---
## CalTopo / SARTopo
Meshtastic can integrate with [CalTopo](https://caltopo.com/) Desktop edition quite easily through the product's APRS over serial support.
### Configuring the Meshtastic device
To configure our Meshtastic device for this integration, we have a couple of different options, both of which utilize the [Serial module](/docs/configuration/serial):
### Enabling serial over the device's USB port
```shell title="Serial over USB"
meshtastic --set serial.enabled true --set serial.baud BAUD_9600 --set serial.mode CALTOPO --set serial.override_console_serial_port true
```
## Enabling serial over an external USB to Serial adapter
```shell title="External serial adapter"
meshtastic --set serial.enabled true --set serial.baud BAUD_9600 --set serial.mode CALTOPO --set serial.txd = 13 --set serial.rxd = 14
```
:::info
Ensure that serial baud rate is set to `9600` on both the Meshtastic device and the CalTopo configuration
:::
### Setting up CalTopo
To setup CalTopo for Meshtastic integration using the Live Tracking via APRS, refer to the [documentation](https://training.caltopo.com/all_users/share/live-tracking#aprs).
Here is an example CalTopo configuration setup for Meshtastic: