bluecherry

# Walter Bluecherry example

## Purpose

This program sends and receives mqtt data using the DPTechnics BlueCherry cloud platform.
It also supports OTA updates which are scheduled through the BlueCherry [web interface](https://blueapp.bluecherry.io).

## Required hardware

To run this example you will need the following items:

- Walter
- An LTE antenna
- A SIM card
- USB-C cable to flash Walter

## Required software

Please follow the instructions from the [Documentation](https://www.quickspot.io/documentation.html#/) to
[setup](https://www.quickspot.io/documentation.html#/developer-toolchains/esp-idf) ESP-IDF.
No other libraries are required for this example to run.

## Run the example

Make sure to connect the LTE antenna to Walter. Running the example without the
antenna connected could damage the radio frontend of the modem. Also insert the
SIM card before starting the sketch.