In this video you watch how you can make homemade 9v batteries
and to know that this battery will have higher capacity and will last
more that ordinary 9v battery.
Second DiY idea is how you can make articulated and portable les
desk lamp and its made from popsicle wood sticks.
Third Life hack is useful gadget that can keep your coffee warm and to make diy usb coffee warmer you need only TEC thermoelectric Peltier Module and USB cable.
3 DIY Ideas or DIY Life Hacks ─ Hacktuber
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