Spotwelderix controlboard
About the Spotwelderix controlboard PCB
Spotwelderix controlboard is an open source ESP32 PCB design by swifty99, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 60.4 × 70 mm, with 42 components from 24 distinct parts.
Its main chip is the NodeMCU32, from the ESP32 family. Other key parts include the LM7805M_TO263. By type, the board carries 18 resistors, 8 capacitors, 6 connectors, 3 transistors, 3 diodes and 2 ICs.
From the project
Spotwelderix
Main components on the Spotwelderix controlboard
Spotwelderix controlboard bill of materials (BOM)
42 components, 24 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | NodeMCU32 | ESP32_NODEMCU | U1 |
| 1 | LM7805M_TO263 | TO-252-2 | U2 |
| 3 | AO3400A | SOT-23 | Q1, Q2, Q3 |
| 1 | LEDs | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J1 |
| 1 | ChargerPower | JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J2 |
| 1 | ExtPwr_FAn | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J3 |
| 1 | Testpin | PinHeader_1x09_P2.54mm_Vertical | J4 |
| 1 | Display | JST_XH_B8B-XH-A_1x08_P2.50mm_Vertical | P1 |
| 1 | CONN_01X08 | JST_XH_B9B-XH-A_1x09_P2.50mm_Vertical | P2 |
| 1 | Buzzer | Buzzer_15x7.5RM7.6 | BZ1 |
| 1 | EC12D1524403 | RotaryEncoder_Alps_EC12E-Switch_Vertical_H20mm | ENC1 |
| 2 | D | D_SMA_Handsoldering | D1, D2 |
| 1 | D_Schottky | D_SMA_Handsoldering | D3 |
| 3 | 100p | C_0805_2012Metric | C1, C3, C4 |
| 1 | 10n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2 |
| 1 | 470p | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C6 |
| 1 | 100p | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C7 |
| 1 | 470µ | CP_Radial_D10.0mm_P5.00mm | C8 |
| 1 | 10µ | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C9 |
| 7 | 2.5k | R_0805_2012Metric | R1, R3, R7, R8, R9, R13, R15 |
Show 4 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 100 | R_0805_2012Metric | R2, R4, R5, R6 |
| 1 | 47k | R_0805_2012Metric | R10 |
| 2 | 15k | R_0805_2012Metric | R12, R14 |
| 4 | 10k | R_0805_2012Metric | R16, R17, R18, R19 |
Spotwelderix controlboard design files
The KiCad project lives in the swifty99/Spotwelderix repository on GitHub; these links point at the commit this page was built from.
Spotwelderix controlboard: common questions
What microcontroller does the Spotwelderix controlboard use?
The Spotwelderix controlboard is built around the NodeMCU32, from the ESP32 family.
How big is the Spotwelderix controlboard PCB?
The Spotwelderix controlboard measures 60.4 × 70 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Spotwelderix controlboard?
42 components, from 24 distinct parts. The full bill of materials is listed on this page.
Where can I download the Spotwelderix controlboard design files?
From the swifty99/Spotwelderix repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Spotwelderix controlboard design in my own project?
Yes, under the terms of its GPL-3.0 license, which swifty99 chose for the repository.
Can I test firmware for the Spotwelderix controlboard without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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