এই কাজ টি করতে গেলে যে জিনিস গুলো লাগবে Components 1 card reader (which is not working) Some wires Soldering iron & wire & past...

https://youtu.be/evfyWrjgdVk very easy to make this light, which will give  minimum 3-4 hrs backup. I want to dedicate this work to one o...

Required material discussed in the video ✔✔ pleaseplebe noted Here I've used 47uf caps You can use 10-100uf caps In that case ...

Required things 2 pc 100 mf caps 1 pc 1000mf caps 100 k volume LM386 ic 3.5mm audio jack 5-9 v power supply Some wires

10 mf cap 1 mf cap 10k resistor 2.2k resistor PCB LED s Wires Female USB sockets Battery Box Charging socket

Requirements Multicolored LED Casing Hard glue Wires Solder Mobile charger Resistor (your choice, but not necessary)

Required materials CD4017  555 timer 10 LEDs 680 ohm resistor (2pc) 1k ohm resistor 10k preset 0.47uf & 10uf caps ...

Worth Rs- 20-30/- (making cost) Required material discussed in video