This bristlebot will run without batteries. It works with super capacitor that you charge with your power supply for about 1 minute and the bot will run 2-3minutes.
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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:
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Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
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Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
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Light a light bulb with a potato battery
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Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
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Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
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Make a satellite dish Wi-Fi antenna for free internet
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DIY Stick Welder from Old Microwave Parts
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Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
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Repair or Replace Your Broken Headphone Jacks
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Make an Infrared Mask to Hide Your Face from Cameras
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10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
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Infrared LEDs Protect Your License Plate Number from Police Cams
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Extract an RFID chip from a card & make it wearable
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Build a simple carboard magnet generator
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Build a weatherproof compact high gain WiFi antenna
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Increase the range of a remote control
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Hack Your Old Computer Mouse into Retro Wireless Bluetooth Mouse!
How To:
Hack Your Electricity Meter
How To:
Open a power supply without destroying a transformer
How To:
Use the Wiimote's IR function to emulate a mouse
How To:
Eavesdrop from a Distance with This DIY Parabolic 'Spy' Microphone
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
How To:
Light a light bulb with a potato battery
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
How To:
Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead
How To:
Make a satellite dish Wi-Fi antenna for free internet
How To:
DIY Stick Welder from Old Microwave Parts
How To:
Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
How To:
Repair or Replace Your Broken Headphone Jacks
How To:
Make an Infrared Mask to Hide Your Face from Cameras
How To:
10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
News:
Infrared LEDs Protect Your License Plate Number from Police Cams
How To:
Extract an RFID chip from a card & make it wearable
How To:
Increase the range of a remote control
How To:
Build a weatherproof compact high gain WiFi antenna
How To:
Build a simple carboard magnet generator
How To:
Hack Your Old Computer Mouse into Retro Wireless Bluetooth Mouse!
How To:
Hack an Old LCD Monitor into a Secret Computer Screen That Only You Can See
How To:
Turn a flashlight into a laser
How To:
Hack Your Electricity Meter
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