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

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

Product ID: 733906922

Details

CPUモデル
ARMv7
ブランド
WaveShare
モデル名
SN65HVD230 CAN
付属コンポーネント
SN65HVD230
接続技術
Can

🔌3.3V power supply

🔗CAN network connectivity

🛡️ESD protection

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Description

🔗 Connect smarter, develop faster — don’t get left offline!

BUILT IN ESD PROTECTION - Safeguard your development board from electrostatic damage, ensuring long-term reliability.
SEAMLESS CAN INTEGRATION - Effortlessly connect your MCU to robust CAN networks with the SN65HVD230 transceiver.
COMPACT LIGHTWEIGHT DESIGN - Minimal footprint (18x10x9 cm) and ultra-lightweight (10g) for flexible prototyping setups.
PIN COMPATIBLE WITH PCA 82 C 250 - Drop-in replacement design for hassle-free upgrades and broad device compatibility.
POWER EFFICIENT 3 3 V OPERATION - Optimized low-voltage power supply for modern microcontroller compatibility and energy savings.

The Waveshare SN65HVD230 CAN Board is a compact development accessory featuring the SN65HVD230 CAN transceiver, designed for seamless MCU connection to CAN networks. Powered by 3.3V and equipped with ESD protection, it offers reliable, low-voltage operation and pin compatibility with PCA82C250, making it an essential tool for professional-grade communication evaluation and embedded system development.

Specifications

ASIN	B00KM6XMXO
Amazon 売れ筋ランキング	パソコン・周辺機器 - 176,372位 ( パソコン・周辺機器の売れ筋ランキングを見る ) シングルボードコンピュータ - 1,839位
OS1	Linux
RAMメモリ採用技術	DDR4
UPC	700646948321 615311268638 888566245345 779172279001
おすすめ度	4.7 5つ星のうち4.7 (150) var
コンピュータCPUタイプ	ARMv7
コンピュータCPU製造会社	can
ブランド名	WaveShare
メーカー型番	SN65HVD230 CAN Board
ワイヤレス通信規格	802.11b
互換デバイス	PCA82C250。
同梱商品	SN65HVD230 CANボード。
品目寸法（L x W x H）	18長さ x 10幅 x 9高さ cm
商品の重量	0.01 キログラム
型番	SN65HVD230 CAN Board
通信・接続インターフェース	Can

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