Level: Next step

Charge it, release it

The left button charges the capacitor (the buzzer blips). The right button lets it discharge through the LED.

Open in the 3D builderReserve a kit
active220Ω+−3V+470µF
ReadyPress and hold the buttonThis circuit waits for you. Press and hold the push button (or the touch pads on the X Junction).

Try this

Hold the left button, release, then hold the right one.

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