• sales

    +86-0755-88291180

ESP32-S3 Industrial-Grade IOT RS485 CAN Communicator WiFi Bluetooth

$17.9

Brand:SpotPear
SKU:020309500000
Date:2025-08-14 17:57
No:
In Stock

ESP32-S3 Industrial Control Board Industrial-grade RS485/CAN Communicator Supports Wi-Fi/Bluetooth/RS485/CAN interfaces Built-in multiple protection circuits

ESP32-S3 Industrial Board
Industrial-grade RS485 and CAN communicators

Based on ESP32-S3 master control, supports Wi-Fi, Bluetooth, RS485 and CAN interfaces

Built-in power isolation, digital isolation and other protection circuits, safer, more stable and more reliable

Features At A Glance
  • Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz
  • Integrated 2.4GHz Wi-Fi and Bluetooth 5 (LE) dual-mode wireless communication, with superior RF performance
  • Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors
  • Onboard isolated CAN interface for easy access to various CAN devices
  • Onboard pin header for connecting external devices
  • Onboard USB Type-C port for power supply, firmware downloading and debugging
  • Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications
  • Onboard RTC chip, supports scheduled tasks
  • Onboard digital isolation to prevent interference from external signal
  • Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply is required for the isolated terminal
  • Onboard RS485 TX/RX indicators and CAN indicator for monitoring the operating status of the module
  • Rail-mounted protective case, easy to install, safe to use
Version Options

Specifications
MODULEESP32-S3-RS485-CANESP32-S3-RS485-CAN-U
MICROCONTROLLERESP32-S3 (Default module: ESP32-S3R8, customizable for other modules)
WIRELESS COMMUNICATION2.4GHz WiFi (802.11 b/g/n), Bluetooth 5 (LE)
USBConnectorUSB Type-C
Power Supply5V
FunctionsPower supply, USB communication, firmware downloading, etc.
ISOLATED RS485ConnectorScrew terminal
Direction ControlAutomatically controlled via main controller hardware flow settings
ProtectionTVS diode, surge protection & ESD protection
ResistorOnboard reserved 120R matching resistor, NC by default, enabled via jumper
ISOLATED CANConnectorScrew terminal
Direction ControlHardware automatic control
ProtectionTVS diode, surge protection & ESD protection
ResistorOnboard reserved 120R matching resistor, NC by default, enabled via jumper
LED INDICATORSPWR IndicatorRed power indicator, lights up when there is USB connection and voltage is detected
RS485 Indicatorlights up green when the RS485 port sends data
lights up blue when the RS485 port receives data
CAN Indicatorblinks during data transmission
ANTENNAOnboard antenna enabled by defaultExternal antenna enabled by default, with SMA antenna connector
POWER SUPPLY SCREW TERMINALVoltage Range7V ~ 36V
APPEARANCEEnclosureRail-mount protective case
Dimensions91.6 × 23.3 × 58.7 (mm)

Based on ESP32-S3

Designed specifically for the AIoT market

Equipped with an Xtensa 32-bit LX7 dual-core processor with a clock speed of up to 240MHz, it offers powerful AI computing capabilities and secure encryption mechanisms. It also integrates 2.4GHz Wi-Fi and Bluetooth 5 (LE) dual-mode wireless communication.


Onboard multiple isolation protection circuits

Multiple protections, safer and more reliable to use


Application Scenario

You can use your mobile phone or computer browser to enter the relevant web page to control the device to send data


Support Arduino, convenient for secondary development

Complete SDK and open source tutorials are provided to make it easy to get started and can be quickly embedded into applications.


Example Demo

The sample code implements a communication interface and a web page to demonstrate IoT connectivity and data visualization.


Interface Description

TOP TERMINAL BLOCK DESCRIPTIONBOTTOM TERMINAL BLOCK DESCRIPTION
POWER SUPPLY TERMINALPower positive: DC 7V ~ 36VRS485 TERMINALA+ signal pin
Power negative
TYPE-Cfor power supply, firmware download, and USB communicationB- signal pin
SH1.0GNDGround (GND)CAN TERMINALH signal pin
3V33.3V power output
GPIO2Adapting ESP32-S3 IO pinL signal pin
GPIO1Adapting ESP32-S3 IO pin

Resource Introduction


  1. ESP32-S3

    Clocked at up to 240MHz, it features 2.4GHz Wi-Fi and Bluetooth Low Energy.

  2. DC-DC power modules

    Power module, supports up to 3.3V 2A output

  3. Pin header

    Other functional modules can be connected via pin headers

  4. Power terminal blocks

    Supports DC 7V ~ 36V wide voltage range power supply

  5. USB Type-C port

    Can be used for device power supply, firmware download and USB communication

  6. RTC battery connector

    Connect to rechargeable RTC battery (SH1.0)

  7. Chip ceramic antenna
  8. IPEX 1st generation transposon

    Can be switched to use an external antenna by unsoldering a resistor

  9. 16MB Flash
  10. Digital Isolation

    Prevent external signals from interfering with the control chip

  11. CAN converter chip
  12. Working indicator light

    PWR: Power indicator

    RS485: Lights green when data is being sent from the RS485 interface and lights blue when data is being sent back from the RS485 interface

    CAN: CAN indicator; flashes when data is being communicated on the CAN interface

  1. Device BOOT button
  2. Device reset button
  3. Power isolation

    Provides stable isolation voltage, no additional power supply required for the isolation end

  4. RS485 matching resistor

    Reserve 120R matching resistor, which can be enabled by jumper cap

  5. CAN matching resistor

    Reserve 120R matching resistor, which can be enabled by jumper cap

  6. RS485, CAN communication interface

    Supports connection to external RS485 devices and CAN devices

  7. RTC clock chip

    PCF85063 RTC clock

  8. DC-DC power supply chips
  9. ME6217C33M5G

    Low dropout LDO, current (Max) 800mA

  10. RS485 conversion chip
  11. Onboard TVS (Transient Voltage Suppressor)

    Can effectively suppress surge voltage and transient spike voltage in the circuit



Shell design

Protection Case With 35mm Rail-Mount Support, Easy To Install, Safe To Use


Product size