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⚙️ Unlock CAN Bus Mastery with Open Source Power!
The DSD TECH SH-C30A USB to CAN Bus Adapter is a compact, open source hardware device that connects your computer directly to CAN bus networks via USB Type A. Featuring an industry-first built-in 120Ω termination switch and broad firmware compatibility, it empowers professionals to sniff, analyze, and control CAN data streams with ease. Supported by a global user base and backed by a 1-year warranty, this adapter is a must-have tool for automotive engineers, developers, and tech enthusiasts seeking flexible, reliable CAN bus connectivity.








| ASIN | B0BQ5G3KLR |
| Best Sellers Rank | #5,546 in Computer Cables & Interconnects |
| Brand | DSD TECH |
| Color | Red |
| Compatible Devices | Computers |
| Connector Type | USB Type A |
| Current Rating | 1 A |
| Customer Reviews | 4.4 out of 5 stars 126 Reviews |
| Finish | Matte |
| Input Voltage | 5 volts |
| Item Dimensions | 3.35 x 1.3 x 0.51 inches |
| Item Weight | 0.02 kg |
| Item dimensions L x W x H | 3.35 x 1.3 x 0.51 inches |
| Manufacturer | DSD TECH |
| Mfr Part Number | SH-C30A |
| Model Number | SH-C30A |
| Number of Items | 1 |
| Number of Ports | 1 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | Automobile |
| UPC | 794251082150 |
| Unit Count | 1 Count |
| Warranty Description | Manufacturer warranty for 12 months from the date of purchase |
| Warranty Type | 1 year warranty |
M**H
Works well for CAN sniffing
Worked well, used this to sniff some CAN messages on a 2015 Mustang. Didn't change the firmware, left it alone and ended up finding a slightly older version of SavvyCAN that someone made a plugin for (drop a .dll into the SavvyCAN canbus folder). This allowed SavvyCAN to work with the Candlelight firmware that this thing came with. Not sure how you beat this for $17.
B**L
Updated version works fine.
After reading the various reviews on this, I decided to take a chance. There are a couple reviews here talking about how the CAN-L line is shorted to ground. Indeed this was an issue at one point. Upon reading some of the reviews from other countries, it looks like DSD Tech was aware of the issue and fixed it, commenting as much on various reviews. So I hope that people who got the version shorted were able to get a replacement from DSD Tech. My experience with this has been fine. I did use a multimeter before intial use to see if I got the updated board or not and indeed, my board was fine. No shorts between CAN-L and ground. Instsalled drivers and such on my laptop, hooked up everyting to my 2011 VW Golf. Works fine with both SavvyCan and CANHacker. Using this setup to research the data packets sent over the CANBUS. Once I have all the data I need, I'll use that data with an Arduino Nano and MCP2515 CANBUS module to control some addressable LEDs.
B**Z
Good
Good
T**K
It seems to work great
I used it to verify communications on an NMEA 2000 product I am developing. I used Cangaroo from Canable and it worked as soon as I got the correct connection to the bus. Vey much worth the 20$.
B**.
Kinda works, sometimes
Trying to replay CAN data back onto the bus this adapter will freeze after a few seconds. I've tried multiple firmware and driver versions (candlelight, gs_usb, PCAN) with both python-can and BUSMASTER. All tests end up the same: it works for a few seconds and then stops until the adapter is unplugged and plugged back in again. Guess I should have bought the expensive device instead of wasting hours of my time on this thing.
K**N
Defective
This device has an error on the PCB that shorts the CANL to GND and the 1040 side of the spark gap. Buy a real Canable or spend some time to cut the short out and patch with wire.
K**N
Can L and Grn Short
Came with can L and Ground shorted causing errors during communication.
S**A
PC App issue
Works well but front end is not very user friendly
S**M
USB-CAN-Bus-Adapter – tut, was er soll
Dieser USB-CAN-Bus-Adapter tut genau das, was er soll. Wer so ein Gerät bestellt, wird ohnehin wissen, wofür es gedacht ist. Ich nutze ihn zur BMS-Anbindung im EV-Bereich, und für diesen Zweck funktioniert er einwandfrei. Die Verarbeitung macht einen soliden Eindruck, und die Datenübertragung läuft stabil und zuverlässig. Bis jetzt keine Probleme, daher klare Empfehlung für alle, die einen zuverlässigen CAN-Bus-Adapter suchen.
I**S
Not isolated. Killed by an earth loop
Not isolated. Killed by an earth loop
J**N
sencillez de uso, no necesita configuración
Funciona perfectamente con los software libres de análisis de redes can
M**O
Ottimo
Fa tutto quello che deve
Trustpilot
5 days ago
3 days ago