Beeping

Toy phone. Baby toy with large buttons to press. Looks like a house. The telephone receiver and dials are build into the roof. :)

This time the battery is so empty, all sounds are gone weird.

squeezing the last sound from the circuits of a hacked, bent and broken toy keyboard.

Toy phone. Baby toy. The same as this:
http://www.pdsounds.org/sounds/toy_phone_line_busy

Took a sinus. Distorted it. And made the volume shape a square-wave to make it "beep - beep - beep"

Remember that you can change pitch and speed to enhance the alarms sincerity.

Public transportation in Cologne, Germany.
Opening doors, giving warning signal and shutting again.

Pushing button on the microwave,
Turning it on,
microwave heats and pauses,
it finishes with 3 beeps,
opening it,
taking the dish out,
closing it.

Dial-up connection failing (Belgian phone line).

Dial-up connection via a Belgian phone line.