HardLabs

Arduino Spot Welder V3

KaeptnBalu·Arduino_Spot_Welder_V3·KiCad_PCB_Files/Kicad Project/Kicad Project V3.1/Arduino_Spot_Welder.kicad_pcb

Arduino Spot Welder V3 PCB layout, top view — open source AVR/Arduino board by KaeptnBalu

About the Arduino Spot Welder V3 PCB

Arduino Spot Welder V3 is an open source AVR/Arduino PCB design by KaeptnBalu, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 50 × 60 mm, with 58 components from 28 distinct parts.

Its main chip is the arduino_nano, from the AVR/Arduino family. By type, the board carries 16 resistors, 8 transistors, 6 connectors, 6 capacitors, 3 diodes and 1 IC.

From the project

This is the Kicad project for V3.1 The Arduino Board was not changed, only the Mosfet Board got a updgrade.

Main components on the Arduino Spot Welder V3

arduino_nano

Arduino Spot Welder V3 bill of materials (BOM)

58 components, 28 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
arduino_nano
U1
8
IRFB_7430
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8
1
579-MCP1407-E/P
MCP1407
P1
1
538-22-28-4160
GND_con
P2
1
538-22-28-4160
AutoPulse
P3
1
437-8018700210001101
GND_con
P4
1
437-8018700210001101
AutoPulse
P5
1
OLED_Display
P6
8
TVS-SMAJ13A-13-F
D_M1, D_M2, D_M3, D_M4, D_M5, D_M6, D_M7, D_M8
1
Bourns_PEC11L
ENC1
1
CONN_01X02
Foot_Switch1
2
CONN_01X08
Mosfet_CTRL1, Mosfet_CTRL2
4
5.0SMDJ13A
TVS1, TVS2, TVS3, TVS4
1
GND
W1
1
12V
W2
1
750-CDBA160-G
D
D1
1
78-MMSZ4687-E3-08
ZENER
D3
1
863-BAV99LT1G
D_Schottky_BAV99
D4
1
581-12103D103MAT2A
0.1µF
C1
1
505-MKS2C041001FMSSD
1µF
C2
Show 8 more
QtyPartRefs
3
581-12103D103MAT2A
10nF
C3, C4, C6
1
647-UWT1E471MNL1S
470µF
C5
1
603-AC1206FR-071KL
150
R1
8
603-RC1206FR-0730RL
30
R2, R3, R4, R5, R6, R7, R8, R9
1
603-RC1206FR-07620RL
620
R10
1
603-RC1206FR-073K3L
3.3k
R11
2
603-RC1206FR-0710KL
10k
R12, R16
3
10k
R13, R14, R15

Arduino Spot Welder V3 design files

The KiCad project lives in the KaeptnBalu/Arduino_Spot_Welder_V3 repository on GitHub; these links point at the commit this page was built from.

Arduino Spot Welder V3: common questions

What microcontroller does the Arduino Spot Welder V3 use?

The Arduino Spot Welder V3 is built around the arduino_nano, from the AVR/Arduino family.

How big is the Arduino Spot Welder V3 PCB?

The Arduino Spot Welder V3 measures 50 × 60 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Arduino Spot Welder V3?

58 components, from 28 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Arduino Spot Welder V3 design files?

From the KaeptnBalu/Arduino_Spot_Welder_V3 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Arduino Spot Welder V3 design in my own project?

Yes, under the terms of its GPL-3.0 license, which KaeptnBalu chose for the repository.

Can I test firmware for the Arduino Spot Welder V3 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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