from Hackaday https://hackaday.com/2021/09/14/gorgeous-battery-welder-hits-the-spot/
J john61ct 1 TW Joined Dec 18, 2018 Messages 8,758 Sep 15, 2021 #1 from Hackaday https://hackaday.com/2021/09/14/gorgeous-battery-welder-hits-the-spot/