This Grove - CAN BUS Module based on GD32E103 adopts a brand-new design, uses the cost-effective and high-performance GD32E103 microcontroller as the main control and cooperates with a firmware we wrote to complete the function of the serial port to CAN FD.
Features
- Support CAN communication: Implements CAN FD at up to 5Mb/s
- Easy to program: Support AT command which enables simple serial port programming
- Grove ecosystem: 20mm x40mm x10mm small size, 4pin Grove connector to plug and play, Arduino compatible
This Grove - CAN BUS Module supports CAN FD(CAN with Flexible Data-Rate) communication, which is an extension to the original CAN protocol as specified in ISO 11898-1 that responds to increased bandwidth requirements in automotive networks. In CAN FD, the data rate (i.e. number of bits transmitted per second) is increased to be 5 times faster than the classic CAN (5Mbit/s for the data payload only, the arbitration bit rate is still limited to 1Mbit/s for compatibility). It supports AT command which enables simple serial port programming.
This Grove - CAN BUS Module is based on GD32E103 with a frequency up to 120MHz. It has a flash size from 64KB to 128KB and an SRAM size from 20KB to 32KB. However, it can not be used as an MCU yet, and this feature will be implemented soon in the future.
You can connect it to an XIAO RP2040 with its expansion board and any Grove sensors you need in your CAN Bus project. We have developed more than 400 Grove modules, covering a wide range of applications that can fulfill various needs.
- Grove - 3-Axis Digital Accelerometer(±1.5g) -- Sensing data changes for devices' fall detection, monitor if your car is tilted.
- Grove - Multichannel Gas Sensor v2 -- Provides a stable and reliable gas detecting function besides Carbon monoxide (CO), Nitrogen dioxide (NO2), Ethyl alcohol(C2H5CH), Volatile Organic Compounds (VOC)
- Grove - Ultrasonic Distance Sensor -- To measure the car-to-object distance and provide audible cues and visual aids to the driver for backing up parking, and vehicle proximity awareness
- Grove - PIR Motion Sensor -- To measure infrared light radiating from objects in its field of view
If you want to send the CANBus data through Long Range, please refer to the Wio-E5 CAN Dev kit which supports CAN FD, CAN2.0, and RS485 communication and also support the Global Long Range frequency plan with a long-distance transmission range of 10km(ideal value in open area)
Besides, We have launched six CAN Bus products, please go to this CAN Bus Family in Seeed page for more details about them.
What is CAN-BUS?
CAN stands for Controller Area Network, it is used to allow microcontrollers and devices to communicate with each other within a vehicle without a host computer which allows for control and data acquisition.
How does CAN-BUS work?
Every node has an ID, where the ones with the higher priority ID can have the priority to “talk” first while the others “listen”. This is to ensure that there are never two nodes talking at the same time. The biggest benefit of CAN-BUS is to be able to just connect components without having to worry about signal routing.
Learn more about CAN-BUS here.
Application
- Car hacking: allows different parts of the vehicle to talk to each other, including the engine, the transmission, and the brakes. Windows, doors, and mirror adjustment.
- 3D Printers
- Building automation
- Lighting control systems
- Medical instruments and equipment
Specification
| MCU | GD32E103 |
| UART baud rate | Up to 115200(default 9600) |
| CAN FD baud rate | Up to 5Mb/s |
| Indicator | TX and RX led |
| Working voltage | 3.3V |
| Grove connector | 4pin Grove connector to plug and play |
| Size | 20mm x40mm x10mm |
Partlist
| Grove - CAN BUS Module based on GD32E103 | 1 |
| Grove cable | 1 |
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