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

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

$17.9

Brand：SpotPear

SKU：020309500000

Date：2025-08-14 17:57

Part Number：

ESP32-S3-RS485-CAN ESP32-S3-RS485-CAN-U

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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

MODULE		ESP32-S3-RS485-CAN	ESP32-S3-RS485-CAN-U
MICROCONTROLLER		ESP32-S3 (Default module: ESP32-S3R8, customizable for other modules)
WIRELESS COMMUNICATION		2.4GHz WiFi (802.11 b/g/n), Bluetooth 5 (LE)
USB	Connector	USB Type-C
	Power Supply	5V
	Functions	Power supply, USB communication, firmware downloading, etc.
ISOLATED RS485	Connector	Screw terminal
	Direction Control	Automatically controlled via main controller hardware flow settings
	Protection	TVS diode, surge protection & ESD protection
	Resistor	Onboard reserved 120R matching resistor, NC by default, enabled via jumper
ISOLATED CAN	Connector	Screw terminal
	Direction Control	Hardware automatic control
	Protection	TVS diode, surge protection & ESD protection
	Resistor	Onboard reserved 120R matching resistor, NC by default, enabled via jumper
LED INDICATORS	PWR Indicator	Red power indicator, lights up when there is USB connection and voltage is detected
	RS485 Indicator	lights up green when the RS485 port sends data lights up blue when the RS485 port receives data
	CAN Indicator	blinks during data transmission
ANTENNA		Onboard antenna enabled by default	External antenna enabled by default, with SMA antenna connector
POWER SUPPLY SCREW TERMINAL	Voltage Range	7V ~ 36V
APPEARANCE	Enclosure	Rail-mount protective case
APPEARANCE	Dimensions	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

TOP TERMINAL BLOCK DESCRIPTION			BOTTOM TERMINAL BLOCK DESCRIPTION
POWER SUPPLY TERMINAL	Power positive: DC 7V ~ 36V		RS485 TERMINAL	A+ signal pin
POWER SUPPLY TERMINAL	Power negative			A+ signal pin
TYPE-C	for power supply, firmware download, and USB communication			B- signal pin
SH1.0	GND	Ground (GND)	CAN TERMINAL	H signal pin
	3V3	3.3V power output		H signal pin
	GPIO2	Adapting ESP32-S3 IO pin		L signal pin
	GPIO1	Adapting ESP32-S3 IO pin		L signal pin

Resource Introduction

ESP32-S3
Clocked at up to 240MHz, it features 2.4GHz Wi-Fi and Bluetooth Low Energy.
DC-DC power modules
Power module, supports up to 3.3V 2A output
Pin header
Other functional modules can be connected via pin headers
Power terminal blocks
Supports DC 7V ~ 36V wide voltage range power supply
USB Type-C port
Can be used for device power supply, firmware download and USB communication
RTC battery connector
Connect to rechargeable RTC battery (SH1.0)
Chip ceramic antenna
IPEX 1st generation transposon
Can be switched to use an external antenna by unsoldering a resistor
16MB Flash
Digital Isolation
Prevent external signals from interfering with the control chip
CAN converter chip
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

Device BOOT button
Device reset button
Power isolation
Provides stable isolation voltage, no additional power supply required for the isolation end
RS485 matching resistor
Reserve 120R matching resistor, which can be enabled by jumper cap
CAN matching resistor
Reserve 120R matching resistor, which can be enabled by jumper cap
RS485, CAN communication interface
Supports connection to external RS485 devices and CAN devices
RTC clock chip
PCF85063 RTC clock
DC-DC power supply chips
ME6217C33M5G
Low dropout LDO, current (Max) 800mA
RS485 conversion chip
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

[] ESP32-S3-RS485-CAN

[] ESP32-S3-RS485-CAN-U

To：

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