Waveshare ESP32-S3 RS485 Development Board, LX7 240MHz Dual-Core Processor, WLED Strip Control, Supports Wi-Fi / Bluetooth 5, Onboard RS485 Interface And Audio Input & Output

Waveshare ESP32-S3 RS485 Development Board, LX7 240MHz Dual-Core Processor, WLED Strip Control, Supports Wi-Fi / Bluetooth 5, Onboard RS485 Interface And Audio Input & Output

The Waveshare ESP32-S3 RS485 Development Board is a versatile development platform powered by a dual-core ESP32-S3 LX7 processor running at up to 240 MHz. It combines Wi-Fi and Bluetooth 5 connectivity with an onboard RS485 interface, making it suitable for industrial communication, IoT, automation, and embedded control applications.

The board also supports WLED strip control, enabling flexible control of addressable LED lighting for smart lighting and visual projects. Integrated audio input and output interfaces allow the board to be used in voice, audio-processing, and interactive applications. Its combination of wireless connectivity, RS485 communication, LED control, and audio capabilities makes it a practical choice for developing connected and multifunctional ESP32-S3 projects.

User Manual / Datasheet / Example Codes Etc.

Features

• Based on ESP32-S3-WROOM-1-N16R8 module with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz
• Integrated 2.4GHz Wi-Fi and Bluetooth 5 (LE) wireless communication for wireless control, device networking, and IoT application development
• Equipped with 16MB Flash and 8MB PSRAM, providing ample storage and runtime resources for lighting effects, audio processing, and complex application development
• Onboard LED strip data output interfaces with 5V level shifting, supporting various digital LED strips for WLED, ambient lighting, and customized lighting effect applications
• Integrates an isolated RS485 communication interface for connecting sensors, PLCs, Modbus devices, and other equipment
• Onboard RS485 TX/RX status indicators for easy monitoring of data transmission and reception during debugging
• Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply is required for the isolated terminal
• Integrates the ES7210 audio ADC and ES8389 audio codec, supporting multi-channel microphone input and stereo audio output for AI voice, voice interaction, and other applications
• Onboard 3.5mm audio jack and PH2.0 4pin speaker connector for audio input and output applications
• Supports a wide input voltage range of 5 ~ 24V
• Onboard USB Type-C port for programming and debugging
• Provides multiple GPIO expansion interfaces and user buttons for connecting sensors, actuators, and other peripherals
• Supports development with ESP-IDF, Arduino, and other development environments, with example programs and development resources provided for quick setup and secondary development
• Rail-mounted protective case, easy to install, safe to use

Specifications

• Module: ESP32-S3-RS485-WLED
• Microcontroller: ESP32-S3-WROOM-1-N16R8
• Antenna: Onboard PCB antenna
• Wireless communication: 2.4GHz WiFi (802.11 b/g/n), Bluetooth 5 (LE)
• power supply Screw terminal
• Voltage range: 5V ~ 24V
• WLED LED Output
• Maximum Output: 8A (adequate heat dissipation required)
• Output Channels: 2 LED outputs (GPIO2, GPIO16)
• Supported LED Strip: WS2812B / WS2811 / SK6812 / TM1814 / SM16704 / APA102 / SK9822 / single-color LED strips, etc.
• Control Method: WLED open-source firmware (Web-based control); supports color, brightness, dynamic effects, segment control, presets, and more
• USB
• Connector: USB Type-C
• Power supply: 5V
• Functions: 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
• LED indicators
• PWR indicator: Red power indicator, lights up when there is USB connection and voltage is detected
• RS485 indicators
• TXD: lights up green when the RS485 port sends data
• RXD: lights up blue when the RS485 port receives data
• Appearance
• Enclosure: Rail-mount protective case
• Dimensions: 81.9 × 54.0 × 32.0mm

Package Includes

• ESP32-S3-RS485-WLED x1
• DC 5.5×2.1mm female power adapter x1
• Screwdriver x1

Dimensions