I want to interface with obd2 port, is the only required connection can h/l? i am connected and i don't see any traffic with a logic analyzer anywhere

You'll need to connect three pins: Pin 6 - CAN Hi, Pin 14 - CAN Lo, and either Pin 4 - Chassis Ground or Pin 5 Signal Ground.

Will this work with the beagle bone black and can i use one on each of the two canbus ports?

Hi Dear, SN65HVD230 CAN Board is for CAN interface. If you need use for BB black, you may need to add this expansion board as below link shows. https://www.amazon.com/dp/B00Q8J55C0?Amazon.

Has anyone used this device with an esp8266 (or hazzah 8266 from adafruit)?

Hello, you can try having a look at the manufacturer's Wiki page, hopefully you will be able to find the answer to your question there:http://www.waveshare.com/wiki/SN65HVD230_CAN_Board

What library is being used for successful coms? i have an esp32 feather and have tried several libraries to read can data on a vw with no luck!

Similar to STM32 and other master controllers, the module ESP32 connected to SN65HCD230 is also programmed in C language. The underlying library and STM32 also have many similarities. For more information, please contact us via Amazon Message, our engineer team will share the esp32 library for you.

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Waveshare SN65HVD230 CAN Board Connecting MCUs to CAN Network Features ESD Protection Communication Evaluation Development Board 3.3V

Product ID: 15628498

Details

Brand
waveshare
CPU Model
ARMv7
Connectivity Technology
CAN
Model Name
SN65HVD230
Operating System
Linux

⚡3.3V power efficiency

🔗Seamless CAN network connectivity

🛡️ESD protection for durability

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Description

🔌 Power your projects with precision and protection!

BROAD COMPATIBILITY - Works flawlessly with PCA82C250 and supports ARM-based Linux systems for versatile development.
COMPACT LIGHTWEIGHT - Sleek 7.09" x 3.94" x 3.54" form factor at just 10 grams fits any project setup.
ROBUST ESD PROTECTION - Built-in safeguards ensure your development board stays resilient in demanding environments.
OPTIMIZED 3 3 V POWER DESIGN - Low-voltage operation reduces power consumption without compromising performance.
PLUG PLAY CAN INTEGRATION - Effortlessly connect MCUs to CAN networks with onboard SN65HVD230 transceiver.

The Waveshare SN65HVD230 CAN Board is a compact, 3.3V-powered development board featuring an onboard CAN transceiver with robust ESD protection. Designed for seamless MCU-to-CAN network communication, it supports ARM-based Linux systems and is compatible with PCA82C250, making it an essential tool for professional-grade embedded system development.

Specifications

ASIN	B00KM6XMXO
Best Sellers Rank	#339 in Single Board Computers (Computers & Accessories)
Brand	waveshare
CPU Model	ARMv7
Compatible Devices	PCA82C250
Connectivity Technology	CAN
Customer Reviews	4.7 4.7 out of 5 stars (153)
Item Dimensions L x W x H	7.09"L x 3.94"W x 3.54"H
Item Weight	0.01 Kilograms
Manufacturer	Waveshare
Mfr Part Number	SN65HVD230 CAN Board
Model Name	SN65HVD230
Model Number	SN65HVD230 CAN Board
Operating System	Linux
Processor Brand	ARM
RAM Memory Technology	LPDDR
UPC	700646948321 615311268638 888566245345 779172279001
Wireless Compability	802.11b

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