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In this app you can build almost any digital logic circuit you can imagine. The electronics are abstracted away to let you focus on the digital logic. Begin by creating simple circuits like blinking lights or memory which can store values, and as you learn more you can advance to creating more advanced circuits like a small 4-bit computer.

List of various features:

* Use separate circuit boards for different projects.

* Components include: wires, logic gates, buttons, switches, delay elements, random generators, vibration motors, tone generators, bulbs and 9 different ICs with more advanced functionality.

* Controls: component placing, component configuration, rotating components, multi tile selection, copy-pasting, zooming and more.

* Easily maintain backups of your boards to be safe if something goes wrong.

* Explore settings for customizing the app.

Permissions explained:

android.permission.WRITE_EXTERNAL_STORAGE - To save circuit boards

android.permission.READ_EXTERNAL_STORAGE - To load circuit boards