4 layers100 × 55 mm
Avdisplay cape
gpgreen/avdisplay-cape
Kicad hardware design for Beaglebone cape intended for Avionics project. Dual CAN interface and power.
46 parts
2 layers59.5 × 54 mm
Can bridge
gpgreen/can-bridge-hardwareKicad project for can-usb bridge
- Size
- 59.5 × 54 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 14
- Nets
- 53
- Pads
- 92
- Tracks, vias
- 62, 5
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 28 Mar 2024
- Updated
- 26 Apr 2024
Overview
Can bridge is an open-source printed circuit board by gpgreen, from the gpgreen/can-bridge-hardware repository on GitHub. It is a 2-layer board of 59.5 × 54 mm with 14 parts on 53 nets, routed with 62 tracks and 5 vias.
It is built around the MCP2551-I/SN-HG, TXB0104PW and 78RB02ST. Its parts include 3 capacitors, 3 resistors, 2 ICs, 2 diodes and 2 switches. It belongs with the interfaces and adapters and microcontroller boards boards and the AVR (ATmega, ATtiny) boards of this library.
Main components
3
MCP2551-I/SN-HG
SOP-8SOP-8 CAN Transceivers ROHSHGSEMICAN Transceivers
TXB0104PW
TSSOP-14-40℃~+85℃ 1 1.2V~3.6V 1.65V~5.5V 100Mbps 4 Auto Direction Detection Bidirectional CMOS CMOS Tri-State TSSOP-14 Translators, Level Shifters ROHSTexas InstrumentsTranslators, Level Shifters78RB02ST
插件,P=2.54mm-40℃~+85℃ 150mA 2 2.54mm 30V SPST 插件,P=2.54mm DIP Switches ROHSGrayhillDIP Switches
README
README.mdCan-Bridge
Kicad design for a CAN to USB serial bridge. Based on a Nucleo-F103RB development board with an arduino shield that provides the CAN transceiver for the CAN controller that resides on the STM32F103RB device on the dev board.
CAN Hardware
The CAN controller on the Nucleo dev board, is routed to a MCP2551 transceiver on the arduino daughter board. The two CAN outputs from the transceiver go to the CAN1 connector on the daughter board. This connector is pinned:
+---+
| o | NC
[| o | CANH
[| o | CANL
| o | NC
+---+
CAN1A 120 ohm terminating resistor is also on the board. To use this resistor, set the DIP switch position 1 to on.
Firmware
The firmware is designed to be used with Serial CAN from the canutils project. Rust-based project.
Schematics
Development Board
Parts
14| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 0.01nF | Capacitor_SMD:C_0603_1608Metric | C103, C104, C105 |
| 2 | 200 | Resistor_SMD:R_0603_1608Metric | R102, R103 |
| 2 | LED | LED_SMD:LED_0603_1608Metric | D101, D102 |
| 1 | 120 | Resistor_SMD:R_1206_3216Metric | R101 |
| 1 | 78RB02ST | Button_Switch_THT:SW_DIP_SPSTx02_Slide_9.78x7.26mm_W7.62mm_P2.54mm | SW101 |
| 1 | Arduino_Uno_R3_Shield | PCM_arduino-library:Arduino_Uno_R3_Shield | A101 |
| 1 | CAN1 | Connector_JST:JST_EH_B4B-EH-A_1x04_P2.50mm_Vertical | J102 |
| 1 | MCP2551-I-SN | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U102 |
| 1 | Reset | My Custom Footprints:OnShine KPT-1187B | SW102 |
| 1 | TXB0104PW | Package_SO:TSSOP-14_4.4x5mm_P0.65mm | U104 |
Questions
How big is the Can bridge PCB?
It measures 59.5 × 54 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Can bridge use?
14 parts, built around the MCP2551-I/SN-HG, TXB0104PW and 78RB02ST. 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 Can bridge KiCad files?
From the gpgreen/can-bridge-hardware repository on GitHub, at the commit this page was made from: the board is can-bridge.kicad_pcb and its schematic can-bridge.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Can bridge design in my own project?
Its repository states no licence, so its author keeps all rights: ask gpgreen before reusing the design.
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