Davis 8218 Installation Manual
![Davis 8218 GPS Module manual cover](/images/ScFFcaxUrnTomkVUyilSvFwl/thumbs/thumb175x175.webp)
To power on the Davis 8218 GPS Module, ensure it is connected to a 3.3V power supply. Verify all connections are secure before powering the module.
Ensure the module has a clear view of the sky and is not obstructed by buildings or other objects. Check the antenna connection and try resetting the module.
The module can be interfaced with a microcontroller using UART communication. Connect the TX pin of the module to the RX pin of the microcontroller and vice versa.
Regularly check and clean the antenna connections. Update the firmware periodically if updates are available. Ensure that the module is stored in a dry environment when not in use.
Download the latest firmware from the manufacturer's website and follow the provided instructions to upload it to the module using the appropriate interface.
Check all power and data connections. Ensure that the power supply is delivering the correct voltage. Try resetting the module and ensure the firmware is up to date.
While the module can function indoors, signal acquisition may be limited or delayed. It performs best with a clear view of the sky.
To reset the module, disconnect it from the power source, wait for a few seconds, and then reconnect it. Ensure all connections are secure upon reconnection.
A high-gain active GPS antenna is recommended for optimal performance, especially in areas with weak signals.
Connect the module to a terminal application via UART. Monitor the NMEA sentences output to verify the GPS data.