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  • Asger1002 commented on KaeptnBalu's instructable DIY Arduino Battery Spot Welder1 month ago
    DIY Arduino Battery Spot Welder

    Hi everyone,I assembled the spot welder, but I'm having issues with the 7 segment display.I've uploaded the files to the arduino fine, and it says it's uploaded. When I then power the spot welder on, the little green LED on the board lights up for a second or so, and the red power LED on the Arduino lights up, but the 7 segment display doesn't. Nothing happens when i turn the potentiometer either.I doublechecked the polarities of the relevant parts (schottky, LED, Zener, FET Driver), but they all look good.Does anyone have ane idea, off the top of your heads, what could be causing it?Kind regardsAsger

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  • Mini Fridge for a Camper Van or Desktop!

    This is a regular peltier module but with heatsinks on both sides. The beefy one on the hot side, and small one on the cold side. It will likely cool similarly.

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  • Asger1002 followed jessyratfink and Phiske1 year ago
  • Asger1002 commented on KaeptnBalu's instructable DIY Arduino Battery Spot Welder1 year ago
    DIY Arduino Battery Spot Welder

    Got my boards today, looking sweet!

    Got my boards today, looking sweet!

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  • Asger1002 commented on KaeptnBalu's instructable DIY Arduino Battery Spot Welder1 year ago
    DIY Arduino Battery Spot Welder

    Okay, thanks for the quick reply, think I'll go the Lipo route as it seems the cheapest/easiest, since i have to buy everything from scratch anyway :)

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  • Asger1002 commented on KaeptnBalu's instructable DIY Arduino Battery Spot Welder1 year ago
    DIY Arduino Battery Spot Welder

    Hi, I'm building this, but I don't have a 12v car battery. Alternatives i've heard have been to use capacitors, but I've also seen people make spot welders from MOT's. What I would like to ask is if it's possible to use, like pacheco.lourenco said, a rewinded MOT (or capacitors) instead of the car battery?I actually don't care much about how it is achieved, my goal is simply a cheap solution to plug it into a wall plug (220V 60Hz Eu standard).So far though, through my research, I've come to the conclusion that this is pretty difficult and requires more PCB's, which I'm hesitant to pay for. Last question: What amperage would be necessary to make those welds? How many amps is your battery able to supply @KaeptnBalu?Asking because I might be able to pick up a used one for cheap at the Dani...

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    Hi, I'm building this, but I don't have a 12v car battery. Alternatives i've heard have been to use capacitors, but I've also seen people make spot welders from MOT's. What I would like to ask is if it's possible to use, like pacheco.lourenco said, a rewinded MOT (or capacitors) instead of the car battery?I actually don't care much about how it is achieved, my goal is simply a cheap solution to plug it into a wall plug (220V 60Hz Eu standard).So far though, through my research, I've come to the conclusion that this is pretty difficult and requires more PCB's, which I'm hesitant to pay for. Last question: What amperage would be necessary to make those welds? How many amps is your battery able to supply @KaeptnBalu?Asking because I might be able to pick up a used one for cheap at the Danish version of Ebay.I hope someone is able and willing to help with their expertise :)Cheers

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