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Led Resistor  is a practical tool for electronics hobbyists, students, and

makers who work with LEDs.

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VAR Replay Analyzer lets you review football match footage on your phone or tablet.

Record video directly in the app or import clips from your gallery. Step through plays frame by frame using the jog wheel, zoom and pan to inspect details, and draw annotations on screen to mark positions or movements.

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A simple PCB layout tool for your Android device. Draw traces with your finger and they automatically snap to standard PCB routing angles (0°, 45°, 90°). Place pads, IC footprints, and passive component pins from a built-in library.

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A transistor simulator and learning tool for students, hobbyists, and anyone studying electronics.

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A color-based logic puzzle game. Fill every cell in the grid with blue or red while following three simple rules:

The Rules: • Balance — Each row and column must have an equal number of blue and red cells. • No Three in a Row — Three consecutive cells of the same color are not allowed, horizontally or vertically. • Unique Lines — No two rows and no two columns can be identical.

Some cells include number clues that tell you how many neighboring cells share the same color, giving you a starting point to work from.

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TraceCanvas turns your phone into a tracing tool — place it above a sheet of

paper, load any reference image, and trace directly onto the paper while

watching the transparent overlay through the screen.

⤓⤓ Free Download:

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Find the quietest corner for your baby's crib. Identify the calmest

desk in a busy open-plan office. Locate the perfect meditation spot.

Design a home recording setup. DeciSpace turns your phone into a

professional-style 2D noise mapping tool for any indoor or outdoor space.

Free Download

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A tool for capturing and analyzing printed circuit board (PCB) traces. Whether you're reverse-engineering legacy boards, documenting designs, or validating layouts, this app turns photos into editable schematics.

Free Download:

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