The Big upgrade screwdriver

PCB Prototype for $2(Any Color): https://jlcpcb.com
Battery 18350 http://got.by/438671
https://buyeasy.by/redirect/cpa/o/q14364khrk9s0ss69ijwh9s5jyoy59u7/
Protection board http://got.by/4386i4
https://buyeasy.by/redirect/cpa/o/q1438q08nkzqnvbdatcf5tdvjjb63t64/
Heat-resistant adhesive tape http://got.by/4386z1
https://buyeasy.by/redirect/cpa/o/q143bwdcbrf4a7ozc8z12mjrq013bmwv/
Heat resistant wire http://got.by/4387gc
https://buyeasy.by/redirect/cpa/o/q143fh3rrct5p3lycbfttucnt502o903/
18650 holder http://got.by/4388aa
https://buyeasy.by/redirect/cpa/o/q143kbxy5l90mfnask26gsezygphp17k/
My Instagram https://www.instagram.com/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/_Bf8bNfOI
5 http://s.click.aliexpress.com/e/_Bf6lavEm
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 https://www.youtube.com/channel/UCrhJYCA-X3sKDRKCpHeOE_w/featured
My main channel https://www.youtube.com/c/akakasyan
Second channel https://www.youtube.com/channel/UCO9r0ovR_10Cgq8kOgnFl8Q/featured

Flayback app https://play.google.com/store/apps/details?id=flyback.transformer.en
Transformer app https://play.google.com/store/apps/details?id=pulse.transformer.mobile

Видео The Big upgrade screwdriver канала Kasyan TV