TechnoReview85

it is tutorial for make a vibration comb with easy house hold items parts need dc motor big comb 2xaa battery 6 amp tube light connector ( watch video) glue,wire ,etc

It is a tutorial video to make money printer magic machine .i use non expensive house hold items to make it   watch this tutorial video

It is tutorial to make versatile power supply or battery eliminator you can use any voltage between 1.25 to 12 v by adjust controller parts list  - 12 - 0 - 12 transformer 2x 1N4007 diode 2200mfd /25 v condencer Ic LM317 240 ohm resistor 10 k variable resistor ( volume control) 10 mfd /25v condencer vero board wire ac main cord cabinet make a 12v dc power supply and joint it with a voltage regulator circuit 12 v power supply circuit diagram this is making video

It is tutorial video to make simple mobile stand 

air multiplier science project  I use a mobile phone box, 6 v dc motor, 9 v battery, nichrome wire, two switches  and some household items. 9 v battery eliminator is best for long time use.           Please watch this video to make it at home

It is best ,easy  project for school students for more project idea,life hack,experiments please subcribe technoreview85 if any problem to make this please comment