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Green rectangular circuit board with screw terminals and pin headers

WaveShare

WaveShare ESP32-S3 Industrial Control Board RS485 CAN 7-36V

SKU CH-RF1Q-6ZEJ0

Industrial ESP32-S3 board with isolated RS485 and CAN interfaces, 2.4 GHz Wi-Fi and Bluetooth 5, accepting 7-36 V power

  • Dual-core Xtensa LX7 at 240 MHz handles complex real-time tasks
  • 4 GHz Wi-Fi and Bluetooth 5 provide reliable wireless connectivity
  • Isolated RS485 and CAN interfaces connect industrial devices safely
  • Wide 7-36 V screw-terminal input suits industrial power environments
  • Digital, power-supply and optocoupler isolation prevents high-voltage interference

Industrial ESP32-S3 Controller

The WaveShare board combines an ESP32-S3 dual-core microcontroller running at 240 MHz with isolated RS485 and CAN interfaces. It targets engineers building automation gateways, sensor hubs or remote monitoring nodes that need both wired field-bus links and 2.4 GHz Wi-Fi or Bluetooth 5 connectivity in a single module.

Suited for new industrial designs

The board suits developers who require galvanic isolation on both serial ports and a wide 7 to 36 V supply input for direct connection to plant power. It is not for hobbyists expecting Arduino-form-factor headers, projects that need Ethernet or cellular backhaul, or teams locked into a proprietary PLC programming environment.

240 MHz dual-core processor

The Xtensa LX7 dual-core running at 240 MHz determines whether the part can handle real-time protocol stacks, encryption and local data logging simultaneously. If the application only needs simple Modbus relaying, a lower-cost single-core module may suffice.

Highlights

  • Dual-core Xtensa LX7 at 240 MHz handles complex real-time tasks
  • 4 GHz Wi-Fi and Bluetooth 5 provide reliable wireless connectivity
  • Isolated RS485 and CAN interfaces connect industrial devices safely
  • Wide 7-36 V screw-terminal input suits industrial power environments
  • Digital, power-supply and optocoupler isolation prevents high-voltage interference

Specifications

No published specifications for this item yet.

Questions about this item

Will the 7-36 V screw terminal let me keep my 24 V DIN-rail supply?

Yes, the onboard screw terminal accepts a wide 7~36 V input so a 24 V industrial supply connects directly without an extra converter.

How can I verify the isolated RS485 and CAN ports are communicating after wiring?

Send a Modbus request over RS485 or a CAN frame and watch the on-board LEDs; successful TX/RX activity confirms the isolated transceivers are working.

Does the board ship with antennas for the 2.4 GHz Wi-Fi and Bluetooth 5 radios?

The module integrates the RF circuitry on the PCB so no external antennas are required; only the power cable and your RS485/CAN field wiring must be added.

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