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View Code? Open in Web Editor NEWThis is V4 of the Arduino Spot Welder. An Arduino based Spot Welder for battery welding
Home Page: https://malectrics.eu/
License: GNU General Public License v3.0
This is V4 of the Arduino Spot Welder. An Arduino based Spot Welder for battery welding
Home Page: https://malectrics.eu/
License: GNU General Public License v3.0
Hi,
Firstly thank you for making the PCB and supported code.
Problem 1.
I am very new to Kicad. After opening the project and plotting Gerber files, I clicked Run DRC and found these items. Please verify the pads and their nets.
http://prntscr.com/15djesk
Problem 2.
On JLPCB Website "Can not identify the board outline"
https://prntscr.com/15dlfii
Siddharth
Hey Marc, first of all thanks for this great product!
I have found a couple of issues in the provided BOM excel file listed below:
Excel BOM
Line Problem
6 mosfet quantity 6 instead of 8 (for new version)
17 1 schotky instead of 2
16 IC socket not needed
22 film capacitor 1μF RM5
20 TVS diode (updated in new version?)
24 capacitor not in stock (I used this one as a replacement: 661-EMZL250ARA471MJA)
Mouser basket issues
3.3k Ohm resistor wrong quantity 10 instead of 1 (?)
Maybe also add optional 12V 30x30mm fan link
I also have a question. Will a thicker cable be any improvement for the welder?
Hi,
no other idea how to ask this question so I will try to get an answer via an "issue".
Do you think the new V4 can handle car batteries made from LiFePO4 cells?
I have access to one made of four 280Ah cells in series which gives a ~13.4V total.
Current rating from the manufacturer is 280A continuously and I don't have any information on pulse capabilities but my guess is that the lithium version could be much more powerful than an average car battery.
Looking forward to your response!
Best,
Daniel
BTW: Just ordered one - the V4 looks really good. I will retire the V1 that I got a couple years back.
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