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

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• Description

  Description

  SPECIFICATIONS

  Accessory Type: Extension Board

  Battery Included: No

  Brand Name: spotpear

  Choice: yes

  Compatible With: ESP32-S3

  High-concerned chemical: None

  Origin: Mainland China

  Typical Application Fields: Education and Learning

  semi_Choice: yes

  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

  
  

  Product Features

  • Based on the ESP32-S3 microcontroller, it has a built-in Xtensa 32-bit LX7 dual-core processor with a main frequency of up to 240MHz.

  • Integrated 2.4GHz Wi-Fi and Bluetooth 5 Low Energy (LE) dual-mode wireless communication for excellent RF performance

  • Onboard isolated RS485 interface, convenient for external access to various RS485 Modbus industrial expansion modules or sensors

  • Onboard isolated CAN interface for easy access to various CAN devices

  • Onboard pin header allows connection to other devices

  • Onboard USB Type-C interface, which can be used for power supply and download debugging, making it convenient for development and use

  • Onboard terminal block power supply interface supports a wide voltage range of 7V ~ 36V, convenient for industrial power supply use

  • Onboard RTC clock chip, supports scheduled tasks

  • Onboard digital isolation to prevent external signals from interfering with the control chip

  • Onboard integrated power isolation can provide stable isolation voltage, and no additional power supply is required for the isolation end

  • Onboard RS485 transmit and receive indicator and CAN working indicator, convenient for sensing the operating status of the device

  • Guide rail type protective shell, easy to install and use, safer with shell

  Product Parameters

  model	ESP32-S3-RS485-CAN
  microcontroller	ESP32-S3 (ESP32-S3R8 chip by default, customizable)
  Wireless Communications	2.4GHz Wi-Fi (802.11 b/g/n)、Bluetooth 5 (LE)
  USB port	Interface form	USB Type-C
  	Supply voltage	5V
  	Function	Device power supply, USB communication, firmware download, etc.
  Isolated RS485 communication interface	Interface form	Terminal Blocks
  	Direction control	Automatic control via master hardware flow settings
  	Interface protection	Provides TVS tube protection, surge and electrostatic protection
  	Matching resistor	Default is NC, 120R matching resistor is reserved, jumper cap can be used to enable
  Isolated CAN communication interface	Interface form	Terminal Blocks
  	Direction control	Hardware automatically determines and controls the direction of data transmission
  	Interface protection	Provides TVS tube protection, surge and electrostatic protection
  	Matching resistor	Default is NC, 120R matching resistor is reserved, jumper cap can be used to enable
  pilot lamp	PWR	Power indicator light, when connected to USB, it will light up red when voltage is detected
  	RS485	RS485 indicator light： The green light turns on when data is sent from the RS485 interface. The blue light turns on when data is sent back from the RS485 interface
  	CAN	CAN indicator light, flashes when there is data communication on the CAN interface
  Terminal power supply	Power supply range	7V ~ 36V
  Product Appearance	shell	Rail-type protective housing
  	size	91.6 × 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

  

  Upper terminal description			Lower terminal description
  Power supply terminal	Power supply positive: DC 7V ~ 36V		RS485 terminal	A+ signal pin
  	Negative pole of power supply
  Type-C	Can be used for device power supply, firmware download, and USB communication			B- Signal pin
  SH1.0	GND	Ground wire	CAN terminal	H signal pin
  	3V3	3.3V power output
  	GPIO2	Expanded IO		L signal pin
  	GPIO1	Expanded IO

  
  

  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
  

  Guide rail type protective shell, easy to install and use, safer with shell

  
  

  Product size

  

  
  

  
  

• Shipping and returns

  Shipping and returns

• Vendor Garageflow
• SKU 978:5317977#ESP32-S3-RS485-CAN