Tech Tube

TDA2030 AMPLIFIER CIRCUIT । 12v Power amplifier। अब 12v से चलेगा tda 2030 ic । techtube

12v LED light Flasher Circuit। How to make led flasher । 12v relay LED flasher ।

Bluetooth box charging socket problem fix । अब कोई प्रोब्लम नही रहेगा ।

UPGRADE BLUETOOTH AUDIO CARD || 2X SOUND 100% GARUNTEE || TECH TUBE

18650 lithium battery BMS || How to make BMS || Tech tube

Dyi 12v Battery | Battery Make Only Rs-50/- । how to make 12v battery । tech tube

Home made bluetooth Speaker | How to make bluetooth speaker | 20 watt speaker | tech tube

PORTABLE PAETY BLUETOOTH SPEAKER । HOW TO MAKE BLUETOOTH SPEAKER । TECH TUBE

How to make a Led light । Home made LED tube light । 220v से चलेगा । very cheap price । TECH TUBE

200 watt inverter । 12 to 220v । Home made inverter। ATX inverter । TECHTUBE

Bluetooth module repair ।। इस को लगाओ life time चोलेगा ।। TECH TUBE

Multimeter Use karte ho to video dekhlena ।। Multimeter Upgrade ।। TECH TUBE

Lithium Battery Repair || Dead 18650 battery || 4v battery Repair || Dead 18650 battery || MY TECH