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⚙️ Upgrade your CAN bus game with the pro’s choice adapter!
The DSD TECH SH-C31A USB to CAN Adapter is a compact, high-speed 5 Mbps USB device based on the open-source Canable 2.0 platform. It features enhanced housing and protection circuitry, supports both classic CAN and CAN FD protocols (with firmware upgrade), and is compatible with desktops and laptops. Designed for professionals seeking reliable, transparent hardware with permanent technical support and a 1-year warranty, it’s a top-tier tool for automotive and industrial CAN bus diagnostics.








| ASIN | B0CDGD1FSH |
| Best Sellers Rank | #133 in USB Computer Network Adapters |
| Brand | DSD TECH |
| Color | Green |
| Compatible Devices | Desktop, Laptop |
| Customer Reviews | 4.3 out of 5 stars 71 Reviews |
| Data Link Protocol | USB |
| Data Transfer Rate | 5 megabits_per_second |
| Global Trade Identification Number | 00794251080989 |
| Hardware Interface | USB |
| Item Weight | 0.02 kg |
| Manufacturer | DSD TECH |
| Mfr Part Number | SH-C31A |
| Model Number | SH-C31A |
| Number of Items | 1 |
| UPC | 794251080989 |
| Unit Count | 1 Count |
| Warranty Description | Manufacturer warranty for 12 months from the date of purchase |
C**T
Works with Savvycan on Linux
The first thing that I did when I got this was install the candlelight firmware from the canable website. This went smoothly with no issues. I have successfully used this with SavvyCan running on Linux mint with minimal configuration. Mine came with the screw down connectors for the wires which is not as convenient as the lever type it is shown with but it still works fine. Overall, this is a good option for an all in one can bus reader that is mostly ready to go out of the box. I was able to connect to my car first try after installing the candlelight firmware as mentioned. This does what an esp32 plus a can transceiver like the mcp2562 with the added benefit of can-fd support, which the esp32 cannot do, in one compact package and a very reasonable price for everything this can do.
B**Z
Good
Good
B**R
Works beautifully
I am using it on an Ubuntu Linux system, and it worked just as well as a Canable with the alternate firmaware.
B**L
It works
Dip switch for termination resistor broke on first use. Other than that, works as advertised.
A**.
Plug and Play with Modern Linux Kernel
Able to easily use the can-utils package and verify operation using a scope with built in CAN decoding.
R**D
Does not work. No drivers
I purchased this to work with Windows and a Jetson Nano to work with CAN Bus data. for both windows and Nano/Linux the device did not install or there where no drivers. Tried to flash the Candlelight firmware, still was not able to use device.
K**S
Looks great, nice packaging., can't get it to work.
Maybe i'm missing something, but I couldn't get it to talk to my computer out of the box, was able to reflash it to newer firmware, but it still won't talk. Sending it back. If you can get it to work mechanically it's beautiful, with great connectors.
M**G
Works, Came With SLCAN instead of Candelight Firmware
This DSD TECH SH-C31A USB to CAN Adapter with FD Support Based on Canable 2.0 dongle works correctly, at least with Cangaroo. It was detected that is came with SLCAN firmware instead of Candelght firmware as described. That is OK if you know what it has. I generated some arbitrary data and transmitted with it. The waveforms are OK, not pretty, but good enough to decode correctly every time. It seems to follow different setups I tried. I'm not that knowledgeable with Cangaroo. It will take much more time to investigate all of it's features. If it came wth the firmware as described it would be closer to 5 stars.
S**N
Does the job
Works flawlessly on a raspberry pi with Home Assistant.
V**R
CAN通信状態の確認に利用
LINKG4XのCAN通信状態確認用に利用 通信内容についての取得については問題なく出来ました。
C**N
Ottimo convertitore
Ho preso questo adattatore da USB a CAN per un progetto che sto preparando da collegare alla mia auto, ed è stata una scelta eccellente. Il dispositivo si è rivelato subito pratico ed efficace, con una configurazione molto semplice e intuitiva. È compatibile con diverse piattaforme, e ho potuto utilizzarlo senza problemi sia su Windows che su Linux, con un’ottima integrazione nel mio ambiente di lavoro. La qualità costruttiva è sorprendentemente buona per un prodotto di questa fascia di prezzo. Il corpo è robusto, compatto e abbastanza resistente per un utilizzo frequente. Durante l’uso, la connessione è stabile e affidabile, e il dispositivo è riuscito a gestire flussi di dati senza interruzioni o perdite. Anche l’aggiornamento del firmware è stato semplice, nella parte posteriore sono presenti due interruttori in miniatura, uno per attivare la resistenza da 120 ohm per il terminatore, e l’altro per avviarlo in modalità boot e scaricare quindi il firmware aggiornato. Finora si è rivelato un ottimo aiuto, e non posso che consigliarlo.
B**N
Perfect for can analysis or sending commands
Worked great straight from the box. Could.not have been better.
N**K
Great adapter, high quality
A great USB to CAN adapter for anyone needing one. It's high quality and will definitely last if taken relatively good care of.
Trustpilot
3 weeks ago
5 days ago