ESP32-S3-RS485-CAN

Industrial ESP32-S3 Control Board With RS485 And CAN Communication Interfaces, Supports Wi-Fi / Bluetooth, Built-in Multiple Protection Circuits

Industrial ESP32-S3 Control Board
With RS485 & CAN Interfaces

Based on ESP32-S3, Supports Wi-Fi / Bluetooth, Onboard RS485 & CAN interfaces

Built-in protection circuits such as power isolation and optocoupler 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 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

Specifications

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 Arduino development

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

What's On Board

1. ESP32-S3
   up to 240MHz operating frequency, with 2.4GHz WiFi and BLE
2. DC-DC power module
   supports up to 3.3V 2A output
3. Pin header
   for connecting to other functional modules
4. Power supply screw terminal
   supports DC 7~36V wide voltage input
5. USB Type-C port
   for module power supply, firmware downloading and USB communication
6. RTC battery header
   for connecting rechargeable RTC battery (SH1.0)
7. Onboard ceramic antenna
8. IPEX 1 connector
   for connecting external antenna, enabled via resoldering an onboard resistor
9. 16MB Flash
10. Digital isolation
    prevents interference from external signal
11. CAN transceiver chip

12. LED indicators
    PWR: Power indicator
    RS485: lights up green when the RS485 port sends data; lights up blue when the RS485 port receives data
    CAN: blinks during data transmission
13. ESP32 BOOT button
14. ESP32 RESET button
15. Power supply isolation
    Provides stable isolated voltage, no extra power supply is required for the isolated terminal
16. RS485 matching resistor
    Onboard reserved 120R matching resistor, enabled via jumper
17. CAN matching resistor
    Onboard reserved 120R matching resistor, enabled via jumper
18. RS485 & CAN communication terminal
    for connecting external RS485 and CAN devices
19. PCF85063 RTC chip
20. DC-DC power chip
21. ME6217C33M5G
    Low dropout regulator, 800mA output (Max.)
22. RS485 transceiver chip
23. TVS diode
    Effectively suppresses surge voltage and transient spike voltage in the circuit

Enclosure Design

Protection Enclosure With Rail-Mount Support, Easy To Install, Safe To Use

Outline dimensions

Support Batch Customization

Support software and hardware customization
Including hardware interface, LOGO, label, case and web page, etc.

Resources & Services

Wiki: www.waveshare.com/wiki/ESP32-S3-RS485-CAN

Weight: 0.06 kg

1. ESP32-S3-RS485-CAN x1
2. SH1.0 4PIN cable ~150mm x1
3. Screwdriver x1

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