DIY Spot Welding machine for battery packs

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Introduction

NE555

Transformer

Theory: NE555 based

Idea

The 555 timer circuit controls MOSFETs that deliver short, high-current pulses for welding nickel strips. The 555 shall work in monostable mode.

The MOSFETs (IRLB4132 or IRF3205) handle the high welding current.

References

Some references related to

https://hackaday.io/project/204777-diy-battery-spot-welder-build-your-own-power-pack/details

pcbway.com/project/shareproject/

Theory: Transformer based

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