A signal generator for Android. The app can be downloaded from F-Droid and here.
- Frequency range 0.1Hz - 25KHz
- Level range 0dB - -80dB
- Set exact frequency
- Frequency bookmarks
The frequency knob responds to finger twirling. The fine frequency and level sliders allow for fine adjustments of frequency and output level. The frequency knob is also adjustable using the left and right arrow buttons above. The two bookmark buttons below the frequency knob show if there are bookmarks, and will go to the next lower or higher bookmark if it exists.
The toolbar items are, from left to right:
- Exact - Prompt for an exact frequency
- Bookmark - Save the current frequency as a bookmark
- Sleep - Prevent the device from sleeping
- Settings - Show the settings.
To remove a bookmark, go to it and touch the toolbar bookmark button.