# Waveshar adapter issue

**URL:** <https://forum.realdash.net/t/waveshar-adapter-issue/10396>\
**Category:** Adapters (CAN/LIN)\
**Created:** [May 8, 2026, 12:58am UTC](https://forum.realdash.net/t/waveshar-adapter-issue/10396 "2026-05-08T00:58:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![kp77](https://forum.realdash.net/user_avatar/forum.realdash.net/kp77/32/2804_2.png) [@kp77](https://forum.realdash.net/u/kp77)\
**Post date:** [May 8, 2026, 12:58am UTC](https://forum.realdash.net/t/waveshar-adapter-issue/10396/1 "2026-05-08T00:58:36Z")

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Hi guys i got issu with waveshare adapter however i try to configure the can adapter i keep having connecting popup in the main guage menu at the bottom right corner after config…etror message in picture

Whene i try to go to see can message in real dash apps close …

 ![IMG_5976](https://forum.realdash.net/uploads/default/original/2X/7/7d6556d9be55feac1c27d6a541e9dd58ee338a3e.jpeg)

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**Author:** ![Cableline01](https://forum.realdash.net/user_avatar/forum.realdash.net/cableline01/32/2770_2.png) [@Cableline01](https://forum.realdash.net/u/Cableline01)\
**Post date:** [May 11, 2026, 4:28pm UTC](https://forum.realdash.net/t/waveshar-adapter-issue/10396/2 "2026-05-11T16:28:04Z")

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By default, the speed is 2000000bps I run the same adapter.

From the site page.

- Supports CAN2.0A (standard frame) and CAN2.0B (extended frame)
- CAN baud rate is configurable in the range of 5Kbps-1Mbps
- Supports 4 working modes: normal mode, loopback mode, silent mode, silent loopback mode
- Supports multiple CAN data sending modes: single frame, multiple frames, manually, regularly and cyclic sending
- Supports multiple CAN data receiving modes: can be configured to only receive data from a certain ID, or specify ID to automatically answer the configured data
- Data can be saved as TXT or Excel
- Supports CAN bus detection for status checking
- Sending/receiving CAN data with time scale, allows sequentially displaying
- Baud rate of USB virtual COM port is configurable in the range of 9600 ~ 2000000bps (2000000bps by default)
- Supports setting working parameters by configuration software or serial command, can be saved after power off
- Adopts STM32 chip solution, stable and reliable communication
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit
- Comes with master computer software for Windows system, easy to use
- Easy secondary development, just need to modify the sending and receiving commands