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CD Welder

1 year ago 1146
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Description

Documents

Sheet_1

CD Welder PCB

BOM

ID Name Designator Footprint Quantity Manufacturer Part Manufacturer Supplier Supplier Part Price LCSC Assembly Mounted LCSC
1 Arduino Nano M1 ARDUINO NANO 1 Arduino Nano
2 OLED I2C O1 OLED I2C 1
3 Rotary Encoder & SW SW ROTARY ENCODER & SW 1
4 AudioJack J1 AUDIO-PJ307C 1 PJ-307C BOOMELE LCSC C16684
5 IRL2505 Q1,Q2,Q3,Q4 TO-220(TO-220-3) 4 IRL2505PBF IR LCSC C2665
6 7805 U1 TO220H 1
7 DCJack JP1 POWER_JACK_SLOT 1
8 TC4420CPA U2,U3,U4,U5 DIP-8 4 TC4420CPA MICROCHIP LCSC C48733
9 10 R1,R2,R3,R4 AXIAL-0.3 4
10 Cap+ P1 HDR-1X1/2.54 1 Header 1*1P ReliaPro LCSC C81276
11 Cap- P2,P3 HDR-1X1/2.54 2 Header 1*1P ReliaPro LCSC C81276
12 22uF C2,C1,C3,C4,C5,C6 1812 6 1812X226K250NT FH LCSC C28504
13 10 R5 AXIAL-1.2 1
14 UF4007 D1,D2,D3,D4 DO-41 4 UF4007 DYELEC LCSC C84181

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Comments (2)

MCCreeper8890 Reply

I have a suggestion: Add a 5th MOSFET with driver that briefly connects the negative electrode to the negative of the capacitor bank. This could solve the problem you mentioned that the electrodes are always connected to the capacitor bank. This would take another digital output and a bit more code, but that is likely not a problem considering how few pins you used on the Arduino Nano.

FIONA KERRANE Reply

clever!!! I was trying to fix it and it blew up in my face ha lol!!!

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