2 layers139.7 × 73.7 mm
2 layers99.4 × 53 mm
MegaShield
MaslowCNC/Electronics144This is the main control board for the Maslow CNC router. It is designed to mate with an Arduino Mega 2560
- Size
- 99.4 × 53 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 40
- Nets
- 49
- Pads
- 165
- Tracks, vias
- 464, 52
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 16 Nov 2014
- Updated
- 3 May 2021
Overview
MegaShield is an open-source printed circuit board by MaslowCNC, from the MaslowCNC/Electronics repository on GitHub, published under the Unlicense licence. It is a 2-layer board of 99.4 × 53 mm with 40 parts on 49 nets, routed with 464 tracks and 52 vias.
It is built around the MRA4004. Its parts include 7 connectors, 6 capacitors, 2 resistors and 2 ICs. It belongs with the robots and motor control boards of this library.
Main components
1README
README.mdMaslow Electronics
The printed circuit board which powers the Maslow CNC Machine
======================
Layout
Schematic
Parts
40| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | MRA4004 | MegaShield:SMA | U$2, U$3, U$4, U$5, U$6, U$7, U$8, U$9, U$10, U$11, U$13, U$14 |
| 6 | M03LOCK | MegaShield:1X03_LOCK | J2, J3, J4, J5, J6, J7 |
| 4 | .1uF | MegaShield:C0805 | C1, C2, C3, C4 |
| 4 | PINHD-1X8 | MegaShield:1X08 | COMMUNICATION1, COMMUNICATION2, PWMH1, PWML1 |
| 3 | JST-PH-6 | MegaShield:JST-PHR-6-SMD | U$1, U$12, U$20 |
| 2 | 1.0uF | MegaShield:0805-CAP | C5, C6 |
| 2 | L298SO | MegaShield:POWERSO-20 | IC1, IC2 |
| 2 | LED_E | MegaShield:LED_1206 | 12VPOWER1, USB1 |
| 2 | PINHD-2X2 | MegaShield:2X02 | JP3, JP4 |
| 1 | 1K | MegaShield:R0805 | R2 |
| 1 | 270 | MegaShield:R0805 | R1 |
| 1 | DCJ0202 | MegaShield:DCJ0202 | J1 |
Questions
How big is the MegaShield PCB?
It measures 99.4 × 53 mm and has 2 copper layers, 1.6 mm thick.
What parts does the MegaShield use?
40 parts, built around the MRA4004. 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 MegaShield KiCad files?
From the MaslowCNC/Electronics repository on GitHub, at the commit this page was made from: the board is PowerDistribution/KiCad/MegaShield.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the MegaShield design in my own project?
Its repository publishes it under the Unlicense licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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