DFRobot
Gravity: CAN to TTL Communication Module with SLCAN Protocol
· MPN: TEL0150
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##Introduction This is a CAN-to-UART and USB 1.0 communication module that is compatible with both 3.3V and 5V. It supports the CAN 2.0 protocol and incorpor...
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##Introduction This is a CAN-to-UART and USB 1.0 communication module that is compatible with both 3.3V and 5V. It supports the CAN 2.0 protocol and incorporates the SLCAN command, eliminating the need for you to concern yourself with the complexities of the CAN protocol. By simply sending AT commands, you can engage in CAN data transmission and configure its functionalities.This module not only provides a UART interface but also integrates a USB interface, eliminating the need for cumbersome conversions between USB and UART during data debugging. Connecting it to your computer via USB allows for convenient data debugging through a serial assistant. This feature proves particularly handy when deploying the module on-site for debugging purposes.The module offers a configurable CAN baud rate range of 25K–1 Mbps, supporting a maximum rate of 2 milliseconds per transmission and ensuring the delivery of 500 data packets per second without any loss. Its stable and reliable communication capabilities significantly reduce the likelihood of errors in your project and streamline the project debugging process.Additionally, the module is equipped with data communication indicators and a 120Ω resistor jumper. These design details serve to enhance the efficiency of your project development and validation.Would you like to learn about the differences between Modbus and CAN bus? Read this blog to gain further insight. Functional diagram of Gravity: CAN to TTL Communication Module Connection Diagram of Gravity: CAN to TTL Communication Module and ESP32-E ##Features Supports CAN 2.0.Incorporates SLCAN protocol commands, ensuring user-friendly operation with no need to focus on CAN protocol intricacies.Enables CAN baud rate configuration ranging from 25K to 1Mbps, guaranteeing the delivery of 500 data packets per second without any loss.Integrates a USB interface, eliminating the requirement for additional USB-to-UART connections and providing convenient usability.Compatible with both 3.3V and 5V voltage levels and power supply.Configuration parameters can be saved even when power is disconnected. ##Applications Intended for communication among robotics and intelligent vehicles enthusiasts.Ideal for research and development engineers, as well as small-scale development companies, for learning, product testing, development, and integration purposes.Illumination control system for small vehicles. ##Specification Operating voltage: 3.3V - 5V.Operating current: 65mA.AT command protocol: SLCAN.Compatible with CAN 2.0 protocol.USB interface: USB 1.0.UART interface voltage levels: 3.3V, 5V.UART baud rate: 115200Bps (default configuration).Optional CAN communication baud rates: 25kbits/s 50kbits/s 100kbits/s 125kbits/s 250kbits/s 500kbits/s (default configuration) 800kbits/s 1Mbits/sCAN communication jumper: ×1CAN communication indicator: ×1Programming languages: C++, Arduino C, serial assistant.Solder material: Environmentally-friendly lead-free solder.Product dimensions (excluding packaging): 37mm×47mm×11.6mm (at the highest point). ##Documents Product wikiDimension DiagramCAD File ##ShippingList CAN TO UART/USB Module ×1Gravity-4P I2C/UART Sensor Cable × 1
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Plain-language definitions for the technical terms used above.
- baud
- Baud is the signalling rate of a serial connection, often used as the speed setting for UART communication. Matching the baud rate matters because both connected devices must use the same setting for readable data.
- CAN bus
- CAN bus is a reliable two-wire communication network originally designed for vehicles and now common in machinery and robotics. It matters when you need multiple controllers or devices to share status and control messages in a noisy electrical environment.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- I2C
- I2C is a two-wire communication bus used by many sensors and small modules. It matters because several I2C devices can share the same two wires, but each device needs a compatible address and your controller must support I2C.
- Modbus
- Modbus is an industrial communication protocol used by many meters, sensors, PLCs, and automation devices. Modbus support matters because it can make the controller easier to integrate with existing industrial equipment.
- UART
- UART is a simple serial connection that sends data over separate transmit and receive wires, often labelled TX and RX. It matters because this module is designed to replace a wired UART cable with a wireless link while keeping the same serial data format.
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