
LogicAnalyzer
gusmanb/logicanalyzer
24 channel, 100Msps logic analyzer hardware and software

Arduino Uno Shield for Stepcraft GRBL Controller
GRBL Stepcraft is an open-source printed circuit board by maz3max, from the maz3max/Stepcraft-GRBL repository on GitHub, published under the MIT licence. It is a 2-layer board of 68.6 × 53.3 mm with 10 parts on 35 nets, routed with 102 tracks and 12 vias.
Arduino Uno Shield for Stepcraft GRBL Controller
This is a shield to control STEPCRAFT mills via the LPT port.
(it could be easily modified to work without the LPT module directly plugged into the X1 socket)
An Arduino UNO is used with GRBL firmware and this shield.
The build option USE_SPINDLE_DIR_AS_ENABLE_PIN is needed for GRBL to work with this shield.
It works like a charm on the STEPCRAFT-2/840 with HF500 Spindle attached.
Created with KiCAD, pcb2gcodeGUI and milled on the STEPCRAFT mill itself.
The copyrights of the uploaded manuals are owned by STEPCRAFT.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | CONN_01X01 | Socket_Arduino_Uno:Arduino_1pin | P5, P6, P7, P8 |
| 1 | Analog | Socket_Arduino_Uno:Socket_Strip_Arduino_1x06 | P2 |
| 1 | DB25_FEMALE | Connectors:DB25FC | J1 |
| 1 | Digital | Socket_Arduino_Uno:Socket_Strip_Arduino_1x10 | P3 |
| 1 | Digital | Socket_Arduino_Uno:Socket_Strip_Arduino_1x08 | P4 |
| 1 | PROBE | Pin_Headers:Pin_Header_Straight_1x02_Pitch2.54mm | J2 |
| 1 | Power | Socket_Arduino_Uno:Socket_Strip_Arduino_1x08 | P1 |
It measures 68.6 × 53.3 mm and has 2 copper layers, 1.6 mm thick.
10 parts. 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.
From the maz3max/Stepcraft-GRBL repository on GitHub, at the commit this page was made from: the board is GRBL_Stepcraft.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT 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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