### Arduino (.ino) File for 70cm Upconverter

Source: https://www.pe5pvb.nl/70cm-upconverter-v2

The Arduino sketch file for controlling the 70cm upconverter. This file contains the microcontroller programming logic.

```arduino
// Arduino (.ino) bestand 70cm Upconverter
```

--------------------------------

### Arduino IDE Board Manager URL

Source: https://www.pe5pvb.nl/23cm-upconverter

This URL is used to add the ATtiny microcontroller board support to the Arduino IDE. Ensure you are using a compatible IDE version.

```plaintext
https://raw.githubusercontent.com/damellis/attiny/ide-1.6.x-boards-manager/package_damellis_attiny_index.json
```

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