An amplifier is something that amplified the voltage on a circuit. The most basic kind is an operational amplifier, and this video will show you how these work and how to use them in your electronics. As an example you'll learn how to make a microphone circuit for spying on people or listening to your heartbeat.
- Hot
- Latest
-
How To:
Crack Wi-Fi Passwords—For Beginners!
-
How To:
Hack a Vending Machine in 3 Easy Steps
-
How To:
Hack a coin operated laundry machine
-
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
-
How To:
Hack your electricity meter
-
How To:
Block RFID Signals, Build an RFID Reader Detector, and Make Custom RFID Tags
-
How To:
Make a satellite dish Wi-Fi antenna for free internet
-
How To:
Hack into live, public security cameras and web cams
-
How To:
Make a Secret Car Compartment
-
How To:
Make a Super Cheap One-Way Check Valve
-
How To:
Hack Smart Cards for satellite TVs
-
How To:
10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
-
How To:
Bypass cable locks, just in case you have to
-
News:
Infrared LEDs Protect Your License Plate Number from Police Cams
-
How To:
Cut and Sand Your Micro-SIM into a Nano-SIM Card for Your New iPhone 5
-
How To:
Recharge non-rechargeable batteries in seconds
-
How To:
Wire a car amplifier and subwoofer inside your house
-
How To:
Make an AC Arc Welder Using Parts from an Old Microwave, Part 1
-
How To:
Make your own EMF detector for under ten dollars
-
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
-
How To:
Hack a Vending Machine in 3 Easy Steps
-
How To:
Hack a coin operated laundry machine
-
How To:
Crack Wi-Fi Passwords—For Beginners!
-
How To:
Fix Dead Lithium-Ion Batteries That Won't Hold a Charge Anymore
-
How To:
Hack your electricity meter
-
How To:
Block RFID Signals, Build an RFID Reader Detector, and Make Custom RFID Tags
-
How To:
Make a satellite dish Wi-Fi antenna for free internet
-
How To:
Hack into live, public security cameras and web cams
-
How To:
Make a Secret Car Compartment
-
How To:
Make a Super Cheap One-Way Check Valve
-
How To:
Hack Smart Cards for satellite TVs
-
How To:
10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives
-
How To:
Bypass cable locks, just in case you have to
-
News:
Infrared LEDs Protect Your License Plate Number from Police Cams
-
How To:
Cut and Sand Your Micro-SIM into a Nano-SIM Card for Your New iPhone 5
-
How To:
Recharge non-rechargeable batteries in seconds
-
How To:
Wire a car amplifier and subwoofer inside your house
-
How To:
Make an AC Arc Welder Using Parts from an Old Microwave, Part 1
-
How To:
Make your own EMF detector for under ten dollars
-
How To:
Make a PVC Hand Pump to Move Water, Compress Air, & Create Vacuum
Be the First to Comment
Share Your Thoughts