That's right, no batteries required. Ever.
Instructables user brunoip demonstrates how to make a flashlight that uses a "small stepper motor to generate energy and many capacitors for keep it stored for several seconds".
Click through to learn how to make-it-yourself!
Just updated your iPhone to iOS 18? You'll find a ton of hot new features for some of your most-used Apple apps. Dive in and see for yourself:
How To:
Convert Your Old Apple iMac G4 into a Cable-Ready HDTV
How To:
Light a light bulb with a potato battery
News:
Infrared LEDs Protect Your License Plate Number from Police Cams
News:
Recycle an old satellite dish into a WiFi booster
How To:
Make a DTV antenna & a steadicam
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
How To:
Turn Any Wall Portrait into Your Own Personal Scooby Dooish "Eye" Spy Surveillance System
How To:
Hack Christmas Lights for Custom Holiday Lighting Patterns
How To:
Turn Your Android Device into a Customizable Thermostat for Your Home
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
Extract an RFID chip from a card & make it wearable
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
Build a simple carboard magnet generator
How To:
Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
How To:
Hack a Vending Machine in 3 Easy Steps
How To:
Use a breadboard, also known as a protoboard
How To:
Build a laser tripwire that can trigger anything out of a photoresistor
How To:
Build a burning blue/violet laser
How To:
Run USB through the phone lines
How To:
Convert Your Old Apple iMac G4 into a Cable-Ready HDTV
How To:
Light a light bulb with a potato battery
News:
Infrared LEDs Protect Your License Plate Number from Police Cams
News:
Recycle an old satellite dish into a WiFi booster
How To:
Make a DTV antenna & a steadicam
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
How To:
Turn Any Wall Portrait into Your Own Personal Scooby Dooish "Eye" Spy Surveillance System
How To:
Hack Christmas Lights for Custom Holiday Lighting Patterns
How To:
Turn Your Android Device into a Customizable Thermostat for Your Home
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
Extract an RFID chip from a card & make it wearable
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
How To:
Build a laser tripwire that can trigger anything out of a photoresistor
How To:
Hack a Vending Machine in 3 Easy Steps
How To:
Use a breadboard, also known as a protoboard
How To:
Build a simple carboard magnet generator
How To:
Lock and Unlock a Safe
How To:
Understand capacitors and replace broken ones on circuit boards
1 Comment
hurry the effing movie already!
Share Your Thoughts