I want to design a machine that can shake the mobile phone, preferably controlled by a remote mobile phone. When there is a signal, the mobile phone can shake greatly (or shake when moving)

You can use the Bluetooth module (if it is available on your computer or mobile phone).

There is a Bluetooth module, so this is also saved, and no other original equipment is needed)

Method:

Mobile phone uses appinventor to develop a small app, which can communicate with Bluetooth module. When the mobile phone receives the signal from the Bluetooth module, it will trigger the mobile phone to vibrate.

Patella Chondrositis: Young people will also have joint degeneration! Eat 4 kinds of food to prevent inflammation.

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Within 24 hours, two "AI Pharmaceuticals" went online, and AstraZeneca wanted to be "BAT among pharmaceutical companies".