Generate electricity with this simple hand crank generator which uses an AC microwave motor.
Ideally there would be some external gearing which allows you to crank slower while still producing a high RPM. Another nice addition would be a full wave bridge rectifier to convert the AC to DC and then perhaps a capacitor or battery to store energy so you don’t need to continuously crank.
The microwave motor was removed from a broken microwave. You can buy a brand new motor on eBay for around 2USD. Most of them are rated at 110V or 220-240V but strangely my one is rated at 21VAC.