Industrial ESP32-S3 Control Board
With 2-Ch CAN Interfaces

Based on ESP32-S3, Supports Wi-Fi / Bluetooth, Onboard 2-Ch CAN interfaces

Built-In Protection Circuits Such As Power Isolation And Digital Isolation,
Safe & Stable & 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 2-ch isolated CAN interfaces 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 7V ~ 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 CAN status indicators for monitoring the operating status of the device
• Rail-mounted protective case, easy to install, safe to use

Version Options

Specifications

MODULE		ESP32-S3-CAN-2CH	ESP32-S3-CAN-2CH-U
DEFAULT ANTENNA CONFIGURATION		Uses the onboard antenna	Uses an external antenna via the SMA connector
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 CAN	Connector	Screw terminal
	Communication Protocols	Supports CAN 2.0A / CAN 2.0B with up to 1Mbps communication rate
	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 powered via USB or an external power supply
	CAN_1	Green/blue indicators, blink during data transmission
	CAN_2
POWER SUPPLY SCREW TERMINAL	Voltage Range	7V ~ 36V
APPEARANCE	Enclosure	Rail-mount protective case
	Dimensions	91.6 × 23.3 × 58.7 (mm)

Based On ESP32-S3, Designed
For AIoT Market

Equipped With Xtensa 32-Bit LX7 Dual-Core Processor, Capable Of Running At 240 MHz, With Powerful AI Computing Performance And Security Encryption Mechanism; Integrated 2.4GHz Wi-Fi And Bluetooth 5 (LE) Dual-Mode Wireless Communication

Onboard Multiple Isolation Protection Circuit

Multiple Protections, More Safe And Reliable

Application Scenario

Allows Users To Access The Relevant Webpage Via A Mobile Phone Or PC Browser To Control The Device And Send Data

Supports ESP-IDF, Arduino

Comprehensive SDK, Dev Resources, And Tutorials To Help You Easily Get Started

Application Examples

Provides Demo Code For IoT Connectivity By Integrating Communication Interfaces With A Web Page, Enabling Data Visualization Services

Interface Description

TOP TERMINAL BLOCK DESCRIPTION			BOTTOM TERMINAL BLOCK DESCRIPTION
POWER SUPPLY TERMINAL	Power positive: DC 7V ~ 36V		CAN_1 TERMINAL	H signal pin
	Power negative
TYPE-C	for power supply, firmware download, and USB communication			L signal pin
SH1.0	GND	Ground (GND)	CAN_2 TERMINAL	H signal pin
	3V3	3.3V power output
	GPIO2	Adapting ESP32-S3 I/O pin		L signal pin
	GPIO1	Adapting ESP32-S3 I/O pin

What's On Board

1. ESP32-S3
   up to 240MHz operating frequency, with 2.4GHz Wi-Fi and BLE
2. LED indicators
   PWR: Power indicator
   CAN_1: lights up green when the CAN_1 port sends data; lights up blue when the CAN_1 port receives data
   CAN_2: lights up green when the CAN_2 port sends data; lights up blue when the CAN_2 port receives data
3. ESP32 BOOT button
4. ESP32 RESET button
5. Power supply isolation
   Provides stable isolated voltage, no extra power supply is required for the isolated terminal
6. CAN_1 matching resistor
   Onboard reserved 120R matching resistor, enabled via jumper
7. CAN communication terminal
   for connecting external CAN devices
8. CAN_2 matching resistor
   Onboard reserved 120R matching resistor, enabled via jumper
9. CAN transceiver chip
10. Digital isolation
    prevents interference from external signal
11. 16MB Flash
12. IPEX 1 connector
    for the ESP32-S3-CAN-2CH-U version, connects an external antenna via the SMA connector

 

13. Onboard ceramic antenna
    for the ESP32-S3-CAN-2CH version, uses the onboard antenna
14. RTC Batt header
    for connecting rechargeable RTC Batt (SH1.0)
15. USB Type-C port
    for device power supply, firmware downloading and USB communication
16. Power supply screw terminal
    supports DC 7V ~ 36V wide voltage input
17. Pin header (2.0mm pitch)
    for connecting to other functional modules
18. DC-DC power module
    supports up to 3.3V 2A output
19. TVS diode (Transient Voltage Suppressor)
    Effectively suppresses surge voltage and transient spike voltage in the circuit
20. ME6217C33M5G
    Low dropout regulator, 800mA output (Max.)
21. CAN transceiver chip
22. DC-DC power chip
23. XL2515QF20
    CAN controller
24. PCF85063 RTC chip

Enclosure Design

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

Outline Dimensions

[] ESP32-S3-CAN-2CH

[] ESP32-S3-CAN-2CH-U

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