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

Hardware for the ROS Sync Node
Ros sync node is an open-source printed circuit board by AndersonRayner, from the AndersonRayner/ros_sync_node_hw repository on GitHub. It is a 2-layer board of 42.5 × 38.5 mm with 29 parts on 23 nets, routed with 59 tracks and 0 vias.
Its parts include 12 connectors and 1 IC. It belongs with the RP2040 boards of this library.
Breaks out a Waveshare RP2040-Zero with 0.1" header pins for use as a ROS-enabled hardware sync node.
Make sure to clone recursively so that you have the required libraries
git clone git@github.com:AndersonRayner/ros_sync_node_hw.git --recursiveEverything runs using kicad so you'll need that too.
Support in Arduino for the RP2040-Zero requires adding the board definition to the Boards Manager. Add the URL
https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.jsonto File > Preferences > Additional Boards Manager URLs.
Open up the boards manager Tools > Board > Boards Manager and install Raspberry Pi Pico/RP2040 by Earle F. Philhower, III.
The software designed for this board to allow it to act as a ROS sync node is available at ros_sync_node.
Compile and upload it as Tools > Board > Raspberry Pi RP2040 Boards > Raspberry Pi Pico.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | MountingHole | other:OSHTab | H5, H6, H7, H8, H9, H10, H11, H12, H13, H14, H15, H16 |
| 9 | Conn_01x03_Pin | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1, J2, J3, J4, J5, J6, J7, J8, J9 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 1 | 3V3_Out | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J11 |
| 1 | 5V_In | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J10 |
| 1 | LED_out | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J12 |
| 1 | RPiPico_Waveshare | arduino:RPiPico_Waveshare | U1 |
It measures 42.5 × 38.5 mm and has 2 copper layers, 1.6 mm thick.
29 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 AndersonRayner/ros_sync_node_hw repository on GitHub, at the commit this page was made from: the board is ros_sync_node.kicad_pcb and its schematic ros_sync_node.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask AndersonRayner before reusing the design.

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

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