2 layers182.2 × 116.6 mm
2 layers149.8 × 80 mm![EDM Motherboard [23.04.20], the printed circuit board in 3D](/embed/boards/Rack-Robotics/Powercore-V1.0-Hardware.jpg)
EDM Motherboard [23.04.20]
Rack-Robotics/Powercore-V1.0-Hardware168CAD & Electronics for Powercore V1
- Size
- 149.8 × 80 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 84
- Nets
- 53
- Pads
- 258
- Tracks, vias
- 345, 216
- Pours
- 21
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 1 Aug 2023
- Updated
- 29 Dec 2023
Overview
EDM Motherboard [23.04.20] is an open-source printed circuit board by Rack-Robotics, from the Rack-Robotics/Powercore-V1.0-Hardware repository on GitHub. It is a 2-layer board of 149.8 × 80 mm with 84 parts on 53 nets, routed with 345 tracks and 216 vias.
It is built around the AOD508 and IRF135S203. Its parts include 18 resistors, 16 capacitors, 10 connectors, 4 ICs and 3 diodes. It belongs with the computers and single-board computers boards and the RP2040 boards of this library.
Main components
2README
README.mdRack Robotics Powercore EDM Power Supply Unit Hardware
This repository contains the hardware and electronics CAD for Rack Robotics's Powercore, an affordable, hackable transistor EDM power supply unit. It is released under the Creative Commons CC BY-NC 4.0 license.
Overview
The Rack Robotics's Powercore V1 is a transistor-capacitor hybrid EDM power supply unit. The Powercore creates, maintains, and monitors electrical sparks in an EDM machine. It is designed to be affordable and hackable.
This repository contains KiCAD projects for EDM Motherboard [23.04.20] and EDM PCB Resistor [23.05.03]. As well as STEP and Fusion 360 archive files of the physical power supply. STLs and other files for 3D printer are on the Rack Robotics printables.
Installation
Clone the repository using the following command:
git clone https://github.com/rack-robotics/powercore-v1-hardware.git
Contributing
We welcome contributions to this project. If you've found a bug or have a feature request, please open an issue. If you would like to improve the firmware, please fork the repository and create a pull request.
License
This software is released by Rack Robotics, Inc. under the Creative Commons CC BY-NC 4.0 license.
Parts
84| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 4.7 uF | Capacitor_SMD:C_1206_3216Metric | C1, C2, C3, C4, C5, C6, C7, C8, C9, C10 |
| 5 | 10K R | Resistor_SMD:R_1206_3216Metric | R1, R5, R12, R17, R18 |
| 5 | GND | TestPoint:TestPoint_Pad_1.5x1.5mm | TP5, TP6, TP7, TP15, TP22 |
| 4 | 200 R | Resistor_SMD:R_1206_3216Metric | R6, R14, R15, R16 |
| 4 | CATHODE | TestPoint:TestPoint_Pad_1.5x1.5mm | TP1, TP2, TP3, TP4 |
| 4 | Conn_01x03_Male | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J2, J3, J4, J5 |
| 3 | 0.1 uF | Capacitor_SMD:C_0805_2012Metric | C11, C13, C16 |
| 3 | LED | LED_SMD:LED_0603_1608Metric | D1, D2, D3 |
| 2 | +12v | TestPoint:TestPoint_Pad_1.5x1.5mm | TP9, TP10 |
| 2 | +5V | TestPoint:TestPoint_Pad_1.5x1.5mm | TP14, TP19 |
| 2 | 1 uF | Capacitor_SMD:C_0805_2012Metric | C14, C15 |
| 2 | 100 R | Resistor_SMD:R_1206_3216Metric | R4, R11 |
| 2 | 1K R | Resistor_SMD:R_1206_3216Metric | R3, R8 |
| 2 | 3K R | Resistor_SMD:R_1206_3216Metric | R7, R10 |
| 2 | AOD508 | Package_TO_SOT_SMD:TO-252-2 | Q2, Q3 |
| 2 | CURRENT ANALOG | TestPoint:TestPoint_Pad_1.5x1.5mm | TP16, TP20 |
| 2 | INVRT_PWM | TestPoint:TestPoint_Pad_1.5x1.5mm | TP12, TP13 |
| 2 | LM317_TO-252 | Package_TO_SOT_SMD:TO-252-2 | U2, U3 |
| 2 | PWM | TestPoint:TestPoint_Pad_1.5x1.5mm | TP17, TP18 |
| 2 | SHORT ALERT | TestPoint:TestPoint_Pad_1.5x1.5mm | TP21, TP23 |
| 2 | VCC | TestPoint:TestPoint_Pad_1.5x1.5mm | TP8, TP11 |
| 1 | 1 nF | Capacitor_SMD:C_0805_2012Metric | C12 |
| 1 | 24 V IN | Johns_Library:JST_S2B-XH-A(LF)(SN) | P1 |
| 1 | 2K R | Resistor_SMD:R_1206_3216Metric | R9 |
| 1 | 4.7K R | Resistor_SMD:R_1206_3216Metric | R13 |
| 1 | 8.66K | Resistor_SMD:R_1206_3216Metric | R2 |
| 1 | ACS712xLCTR-20A | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | CURRENT ANALOG | Johns_Library:JST_S2B-XH-A(LF)(SN) | P2 |
| 1 | Heatsink | Heatsink:Heatsink_AAVID_573300D00010G_TO-263 | HS1 |
| 1 | IRF135S203 | Package_TO_SOT_SMD:TO-263-2 | Q1 |
| 1 | LOGO | Johns_Library:Rack Robotics Logo | G*** |
| 1 | LOGO | Johns_Library:Open Source Symbol | G*** |
| 1 | LOGO | Johns_Library:Rick Roll QR Code | G*** |
| 1 | LOGO | Johns_Library:RackRobo QR Code | G*** |
| 1 | LOGO | Johns_Library:Powercore V1 Github QR Code | G*** |
| 1 | LOGO | Johns_Library:Twitter QR Code | G*** |
| 1 | Pico | Johns_Library:RPi_Pico_SMD_TH | U4 |
| 1 | SHORT ALERT | Johns_Library:JST_S2B-XH-A(LF)(SN) | P3 |
| 1 | Screw_Terminal_01x04 | Johns_Library:CUI_TB002-500-04BE | J1 |
| 1 | THERMISTER 1 | Johns_Library:B2B-XH-A(LF)(SN) | P4 |
| 1 | THERMISTER 2 | Johns_Library:B2B-XH-A(LF)(SN) | P5 |
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Questions
How big is the EDM Motherboard [23.04.20] PCB?
It measures 149.8 × 80 mm and has 2 copper layers, 1.6 mm thick.
What parts does the EDM Motherboard [23.04.20] use?
84 parts, built around the AOD508 and IRF135S203. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the EDM Motherboard [23.04.20] KiCad files?
From the Rack-Robotics/Powercore-V1.0-Hardware repository on GitHub, at the commit this page was made from: the board is EDM Motherboard [23.04.20]/EDM Motherboard [23.04.20].kicad_pcb and its schematic EDM Motherboard [23.04.20]/EDM Motherboard [23.04.20].kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the EDM Motherboard [23.04.20] design in my own project?
Its repository states no licence, so its author keeps all rights: ask Rack-Robotics before reusing the design.