License

GPL 3.0

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Simple Battery Welder Controller

1 year ago 360
  • Description
  • Documents
  • BOM
  • Attachments
  • Members
  • Comments

Description

Schematics & PCB for battery spot welder controller board.

  • Provides simple user interface
  • Accepts pedal input ( with smart unintended-weld protection )
  • Outputs precisely timed pulses for high current relay
  • Very simple to solder, generous spacing and no SMD components
  • Easy to remove DIP8 components ( MCU & DRIVER ) thanks to the space below and above sockets.

Firmware: https://gitlab.com/IDVert3X/batwelder/tree/relay-based

Documents

Sheet_1

Controller PCB

BOM

ID Name Designator Footprint Quantity Mounted
1 ATTINY25 MCU DIP-8 1 Yes undefined
2 7805 V_REG TO-220H 1 Yes
3 1000u C1 CAP-10*20 1 Yes
4 5mm LED G,R 5MM LED 2 Yes
5 UF4007 D1,D2 DO-41 2 Yes C84067
6 330R R1,R2 AXIAL-0.3 2 Yes
7 IXDD604PI DRIVER DIP-8 1 Yes C93509
8 BUTTON BTN BUTTON_6MM 1 Yes
9 IRFZ44NPBF MOSFET TO-220H 1 Yes C2586
10 100u C2 CAP-6.3*9 1 Yes
11 Screw Terminal PEDAL,PWR,RELAY H2-5.0-10.5X8.0MM 3 Yes

Attachments

None

Members

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