£ 18.99
DSD TECH SH C30L USB to CAN Bus Adapter Base on Canable Support SocketCAN Cangaroo(39CM/1.28FT)
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Open Source Hardware, Actually Published: SH-C30L comes from the CANable open hardware project — and we publish our own design back. The full schematic and PCB layout for this exact board are on our GitHub (dsdtech-official), as editable design files rather than pictures, under the CERN-OHL-S-2.0 licence, together with the firmware images. Inspect it, modify it, build your own. Direct USB-to-CAN Connectivity: Connect a computer straight to a CAN bus with no gateway in between. A 120 ohm termination switch is built in, so you can switch it off on a bus that already has two, and a programming switch drops the MCU into its USB bootloader for reflashing. Each CAN line runs through a resettable fuse and a TVS clamp, and the bus lands on a 3-pin 3.81 mm pluggable terminal. Flexibility on Open Protocols: SH-C30L ships with candleLight firmware, which speaks gs_usb — a protocol whose driver is built into the Linux kernel, so it comes up as a standard SocketCAN interface with nothing to install. Use it with cangaroo, can-utils or python-can. You can also reflash it to slcan firmware from your browser at canable.io. The Plug Is on a Lead, Not on the Board: A 15.4 in / 39 cm captive cable carries the USB-A plug, so the adapter no longer hangs off the port — it does not block the neighbouring socket, it keeps the strain off the connector, and the board itself is 19 mm shorter than our SH-C30A. Useful wherever the port is recessed or the wiring is tight. New Firmware, Free on GitHub: SH-C30L shipped with the stock CANable candleLight build, which ignores the 24 MHz crystal fitted on the board. Our own build runs from that crystal and lights the TX and RX LEDs the stock build left dark. Units produced from September 2026 ship with it already installed; earlier units can be updated over USB — free, and entirely optional.
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Open Source Hardware, Actually Published: SH-C30L comes from the CANable open hardware project — and we publish our own design back. The full schematic and PCB layout for this exact board are on our GitHub (dsdtech-official), as editable design files rather than pictures, under the CERN-OHL-S-2.0 licence, together with the firmware images. Inspect it, modify it, build your own. Direct USB-to-CAN Connectivity: Connect a computer straight to a CAN bus with no gateway in between. A 120 ohm termination switch is built in, so you can switch it off on a bus that already has two, and a programming switch drops the MCU into its USB bootloader for reflashing. Each CAN line runs through a resettable fuse and a TVS clamp, and the bus lands on a 3-pin 3.81 mm pluggable terminal. Flexibility on Open Protocols: SH-C30L ships with candleLight firmware, which speaks gs_usb — a protocol whose driver is built into the Linux kernel, so it comes up as a standard SocketCAN interface with nothing to install. Use it with cangaroo, can-utils or python-can. You can also reflash it to slcan firmware from your browser at canable.io. The Plug Is on a Lead, Not on the Board: A 15.4 in / 39 cm captive cable carries the USB-A plug, so the adapter no longer hangs off the port — it does not block the neighbouring socket, it keeps the strain off the connector, and the board itself is 19 mm shorter than our SH-C30A. Useful wherever the port is recessed or the wiring is tight. New Firmware, Free on GitHub: SH-C30L shipped with the stock CANable candleLight build, which ignores the 24 MHz crystal fitted on the board. Our own build runs from that crystal and lights the TX and RX LEDs the stock build left dark. Units produced from September 2026 ship with it already installed; earlier units can be updated over USB — free, and entirely optional.
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