Homemade cordless drill with router base and flexible shaft dremel tool 3 in 1

Electric grinder cordless drill!Diy cordless high-speed drill(adjustable speed) with router base and flexible shaft 3 in 1.
Hello friends, I share with you how I made a high-speed powerful hand drill electric grinder, using the 775 motor, powered by three 3400 mAh 18650 batteries, which can adjust the speed of the hand drill. I added a milling router base and a flexible shaft for it.In theory it can run for 3 hours.
In the video, I have indicated the name and circuit diagram of the material used. I will also indicate the materials and links here again. I hope to help your diy work. If you like, please pay attention to my channel to help me grow, or you There are different opinions and suggestions, and you are welcome to communicate with me in the comment area, thank you.

Cordless drill materials and links :
775 dc motor : https://bit.ly/2MoznTO
B10 Drill chuck: https://bit.ly/2IzLn3G
B10 Drill chuck connector : https://bit.ly/2oinBSW
18650 lithium battery: https://bit.ly/31XBrbW
3S 10A lithium battery protection module : https://bit.ly/2pYM3Jp
PWM 5A Speed control module : https://bit.ly/2VsaOJN
DC5.5 socket : https://bit.ly/2OxICU5
on/off switch : https://bit.ly/2LkPwZZ

Flexible shaft dremel tool materials and links :
Inner diameter 3mm bearing : https://bit.ly/2mH3kF8
3mm steel shaft : https://bit.ly/2mCBfiq
copper couplings 3-2 : https://bit.ly/2lx4X8v
On/off switch : https://bit.ly/2LkPwZZ
Copper drill chuck adaptor 3mm shank : https://bit.ly/2l4berQ
Outer diameter 20MM PVC pipe or PPR pipe
Bicycle brake rope diameter 2mm

Other materials and links used
12V-24V 4.5A Power Adapter : https://bit.ly/2lF5aX6
Flexible Shaft for Grinder Tool : https://bit.ly/2VTqsxQ
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