Crowbar
About the Crowbar PCB
Crowbar is an open source PCB design by AllAboutCircuits, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 13 × 37.2 mm, with 12 components from 10 distinct parts.
Other key parts include the LM25576. By type, the board carries 4 connectors, 4 resistors, 2 diodes, 1 IC and 1 fuse.
It belongs with the robotics & motion designs in this gallery.
From the project
C-BISCUIT is a modular DIY robotic vehicle design based on the Freescale i.MX6 Wandboard and the Robotic Operating System (ROS).
Select R, C if special (power, ESR, whatever) Mega-Fit footprints Mounting hole footprints Fuse Select holder Make footprint Inductor footprint IC footprints? * PCB layout
Main components on the Crowbar
Crowbar bill of materials (BOM)
12 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM25576 BT137S | TO-252-2Lead | U1 |
| 2 | CONN_01X02 CONN_01X01 | SolderWirePad_single_SMD_5x10mm | P1, P2 |
| 2 | CONN_01X01 | SolderWirePad_single_SMD_5x10mm | P3, P4 |
| 1 | 3A | 3549-BLADE-CLIP | F1 |
| 1 | CSHD6-60C LM431 | SOT-23_Handsoldering | D1 |
| 1 | RED | LED-5MM | D2 |
| 1 | 3.48K | R_0805_HandSoldering | R1 |
| 1 | 2.49K | R_0805_HandSoldering | R2 |
| 1 | 20.5K 200 | R_0805_HandSoldering | R3 |
| 1 | 49.9K 220 | R_0805_HandSoldering | R4 |
Crowbar design files
The KiCad project lives in the AllAboutCircuits/C-BISCUIT repository on GitHub; these links point at the commit this page was built from.
Crowbar: common questions
How big is the Crowbar PCB?
The Crowbar measures 13 × 37.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Crowbar?
12 components, from 10 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 Crowbar design files?
From the AllAboutCircuits/C-BISCUIT repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Crowbar design in my own project?
Yes, under the terms of its GPL-2.0 license, which AllAboutCircuits chose for the repository.
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