HardLabs

Arduino Spot Welder V4

KaeptnBalu·Arduino_Spot_Welder_V4·KiCAD_PCB_Files/KiCAD_Project/Arduino_Spot_Welder.kicad_pcb

Arduino Spot Welder V4 PCB layout, top view — open source AVR/Arduino board by KaeptnBalu

About the Arduino Spot Welder V4 PCB

Arduino Spot Welder V4 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 × 77 mm, with 55 components from 29 distinct parts.

Its main chip is the 992-15FX1-254MM, from the AVR/Arduino family. By type, the board carries 18 resistors, 7 connectors, 7 capacitors, 6 transformers, 4 diodes and 1 IC.

It belongs with the power & battery designs in this gallery.

From the project

This is V4 of the Arduino Spot Welder. An Arduino based Spot Welder for battery welding

These are the KICAD project files for the Arduino Spot Welder V4

Main components on the Arduino Spot Welder V4

992-15FX1-254MM

Arduino Spot Welder V4 bill of materials (BOM)

55 components, 29 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
992-15FX1-254MM
arduino_nano
U1
1
621-MMBT3904-F
MMBT3904-7-F
Q1
1
710-691214110002
V IN
P1
1
MCP1407
P2
1
OLED_Display
P3
1
538-22-28-4160
GND_con
P4
1
538-22-28-4160
AutoPulse
P5
1
437-8018700210001101
GND_con
P6
1
437-8018700210001101
AutoPulse
P7
1
Bourns_PEC11L
ENC1
1
CONN_01X02
Foot_Switch1
2
CONN_01X06
Mosfet_CTRL1, Mosfet_CTRL2
1
81-NCP21XV103J03RA
10k
NTC1
1
810-PS1240P02BT
SPEAKER
SP1
6
FDB0105N407L
T1, T2, T3, T4, T5, T6
2
621-SMAJ13A-13-F
SMAJ13A
TVS1, TVS2
3
576-SLD8S14A
SLD8S14A
TVS3, TVS4, TVS5
1
750-CDBA160-G
D
D1
2
78-BAV99-E3-08
D_Schottky_BAV99
D2, D4
1
78-MMSZ4687-E3-08
ZENER
D3
Show 9 more
QtyPartRefs
4
80-C0805C103J5R
10nF
C1, C5, C6, C7
1
505-MKS2C041001FMSSD
1µF
C2
2
647-UWT1E471MNL1S
470µF
C3, C4
7
603-RC0805FR-0710KL
10k
R1, R2, R3, R4, R5, R7, R11
3
603-RC0805FR-071KL
1k
R6, R8, R9
1
603-RC0805FR-07620RL
620
R10
1
603-RC0805FR-133K3L
3k3
R12
2
603-RC1206FR-0730RL
30
R13, R18
4
30
R14, R15, R16, R17

Arduino Spot Welder V4 design files

The KiCad project lives in the KaeptnBalu/Arduino_Spot_Welder_V4 repository on GitHub; these links point at the commit this page was built from.

Arduino Spot Welder V4: common questions

What microcontroller does the Arduino Spot Welder V4 use?

The Arduino Spot Welder V4 is built around the 992-15FX1-254MM, from the AVR/Arduino family.

How big is the Arduino Spot Welder V4 PCB?

The Arduino Spot Welder V4 measures 50 × 77 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Arduino Spot Welder V4?

55 components, from 29 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 V4 design files?

From the KaeptnBalu/Arduino_Spot_Welder_V4 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 V4 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 V4 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.

Similar boards