Tech efficiency

78 thousand subscribers

147 videos

20 September 2018

how to speed up dc motor-upgrade brushless motor

22 July 2019

experiment 12v motor vs 4v motor who one win?

26 October 2017

how to upgrade dc motor speed upto 10X rewind motor with thicker wire

17 November 2022

how to repair cctv camera wire || cctv camera no video

01 January 1970

how to rewind DC motor upgrade with thick wire

01 January 1970

how to make a single motor drone without remote control that fly

01 January 1970

how to make mini electric generator at home diy project

28 June 2019

how to repair glue gun not heating problem 100% solution

01 January 1970

how to make 60000 mAh power bank with lithium battery 18650

14 July 2017

how to make water pump high pressure with 12 volt dc motor at home

28 October 2017

how to make a dc motor with syringe

01 January 1970

12 watt smd ceiling led light inside review

14 November 2022

spring burn with 12 volts

04 December 2022

wireless charger experiment

Watch online for free and without registration 147 new youtube videos of the channel Tech efficiency in high quality. User Tech efficiency has views on youtube and 78 thousand subscribers. Watch the last uploaded video how to speed up dc motor-upgrade brushless motor which was uploaded by 01 January 1970