Upgraded the SMALLEST Welding inverter

JLCPCB Prototype for $2(Any Color): https://jlcpcb.com
Buy the welding inverter http://ali.pub/3m5mzx
This inverter http://ali.pub/3md4z8
1st Part    • What can the SMALLEST welding inverte...  
Circuit of the soft start    • This device will extend the life of y...  
My Instagram   / akakasyan  

My laboratory equipment
Multimeters
1 http://s.click.aliexpress.com/e/_dVTJhdM
2 http://s.click.aliexpress.com/e/_dUx8dNG
3 http://s.click.aliexpress.com/e/_d8JyXDU
4 http://s.click.aliexpress.com/e/_Bf8b...
5 http://s.click.aliexpress.com/e/_Bf6l...
6 http://s.click.aliexpress.com/e/_d6W4ZeO
7 http://s.click.aliexpress.com/e/_dUxr3Ro
8 http://s.click.aliexpress.com/e/_d7Vvwei

Current clamps http://s.click.aliexpress.com/e/_dYDjrlM

Power supply http://s.click.aliexpress.com/e/_dTgB2vC

Signal Generators 
1 http://s.click.aliexpress.com/e/_dXihASK
2 http://s.click.aliexpress.com/e/_dYeFZyi

Soldering Irons 
1 http://s.click.aliexpress.com/e/_dW2I6rM
2 http://s.click.aliexpress.com/e/_dUvknv8
3 http://s.click.aliexpress.com/e/_dYT0FBs

Transistor tester http://s.click.aliexpress.com/e/_dZrv7X0

IC tester http://s.click.aliexpress.com/e/_dWa7HSA

Tachometer http://s.click.aliexpress.com/e/_dYPonxo

Sound meter http://s.click.aliexpress.com/e/_dUhuqmw

Microscopes 
http://s.click.aliexpress.com/e/_dXddKDC
http://s.click.aliexpress.com/e/_d7b5IoW

New channel    / @akakasyaneng  
My main channel    / akakasyan  
Second channel    / @kitshop1  

Flayback app https://play.google.com/store/apps/de...
Transformer app https://play.google.com/store/apps/de...