Diy is a good tool for quick wiring of heat shrink tubing with soldering
https://www.youtube.com/watch?v=rRbpHoeyCao
Netizens create their own smoking device, small air pump+electronic cigarette
https://youtube.com/shorts/_b1qmlbPxgA?feature=share
Simple switch battery motor fan circuit
https://youtu.be/3hCLwDlP59Q battery box:https://www.makerbuying.com/product/007 130 motor:https://www.makerbuying.com/product/014
SNAM100 6-degree-of-freedom PVC robotic arm without control
https://www.youtube.com/watch?v=5EP2oI--77o
Makerbuying SNP106 C1 Differential Car Upgrade v0.6 Version
https://www.youtube.com/watch?v=dDgLYW00oZI
007 Four Section No. 5 Battery Box with Switch Instructions Makerbuying Electronic Building Blocks
https://www.youtube.com/watch?v=4ReOKNXo9a0 wiring terminal : https://www.makerbuying.com/product/005 tt motor: https://www.makerbuying.com/product/006 6v battery box: https://www.makerbuying.com/product/007
Makerbuying SNRM92 remote control DIY2.4G function demonstration
https://www.youtube.com/watch?v=OrrrL9uvVIM Buy from: https://www.makerbuying.com/product/snrm92
The $23 AliExpress 6DOF Robot Arm. Is it any good?
https://www.youtube.com/watch?v=3vCpatCfUPU