The Waveshare 32154 is the ESP32-S3-RS485-CAN module which is an Industrial ESP32-S3 Control Board, RS485 and CAN Communication Interfaces, Wi-Fi / Bluetooth, Built-in Multiple Protection Circuits.
Part: ESP32-S3-RS485-CAN
Industrial ESP32-S3 Control Board with RS485 & CAN Interfaces
Based on ESP32-S3, Supports Wi-Fi / Bluetooth, Onboard RS485 & CAN
(Controller–area network) interfaces
Built-in protection circuits such as power isolation and optocoupler isolation,
Safe & Stable & Reliable
Features
- 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 indicators for monitoring the operating status of the module
- Rail-mounted protective case, easy to install, safe to use
Specifications
|
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 |
|
|
CAN indicator |
blinks during data transmission |
|
|
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 protection, safer and more 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
|
Top Terminal Block Description |
Bottom Terminal Block Description |
|||
|
Power Supply Terminal |
Power positive: DC 7V ~ 36V |
RS485 Terminal |
A+ signal pin |
|
|
Power negative |
||||
|
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 |
|||
|
GPIO2 |
ESP32-S3 IO pin |
L signal pin |
||
|
GPIO1 |
ESP32-S3 IO pin |
|||
Interface Description
What's On Board
- ESP32-S3
up to 240MHz operating frequency, with 2.4GHz WiFi and BLE - DC-DC power module
supports up to 3.3V 2A output - Pin header
for connecting to other functional modules - Power supply screw terminal
supports DC 7~36V wide voltage input - USB Type-C port
for module power supply, firmware downloading and USB communication - RTC battery header
for connecting rechargeable RTC battery (SH1.0) - Onboard ceramic antenna
- IPEX 1 connector
for connecting external antenna, enabled via resoldering an onboard resistor - 16MB Flash
- Digital isolation
prevents interference from external signal - CAN transceiver chip
- 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 - ESP32 BOOT button
- ESP32 RESET button
- Power supply isolation
Provides stable isolated voltage, no extra power supply is required for the isolated terminal - RS485 matching resistor
Onboard reserved 120R matching resistor, enabled via jumper - CAN matching resistor
Onboard reserved 120R matching resistor, enabled via jumper - RS485 & CAN communication terminal
for connecting external RS485 and CAN devices - PCF85063 RTC chip
- DC-DC power chip
- ME6217C33M5G
Low dropout regulator, 800mA output (Max.) - RS485 transceiver chip
- TVS diode
Effectively suppresses surge voltage and transient spike voltage in the circuit.
