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Waveshare Industrial ESP32 S3 POE ETH Control Board with 8-Channel Digital I/O, Dual-Core LX7 Processor & PoE Ethernet
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The Waveshare Industrial ESP32-S3 POE ETH 8DI 8DO Control Board is an industrial-grade ESP32-S3 control solution designed for reliable digital I/O control, automation, and AIoT applications. It is powered by an Xtensa 32-bit LX7 dual-core processor running at up to 240 MHz and provides 8-channel digital input and 8-channel digital output for connecting switches, sensors, actuators, and other industrial equipment.
The board supports 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 LE, 10/100 Mbps Ethernet, IEEE 802.3af PoE, isolated RS485, and isolated CAN, giving it flexible wired and wireless communication options. Its digital inputs support 5–36V passive or active NPN/PNP signals, while the digital outputs support 5–40V open-drain operation with up to 500mA load current per channel and optocoupler isolation.
For industrial power requirements, it accepts 7–36V DC through the screw terminal or 5V/1A through USB Type-C. Built-in power isolation, digital isolation, optocoupler protection, TVS protection, surge protection, and ESD protection help provide stable operation in demanding environments.
The board also includes a W5500 Ethernet controller, RTC, TF card slot, buzzer, programmable RGB LED, USB Type-C interface, and 35mm rail-mount protective enclosure, making it suitable for industrial automation, remote I/O control, IoT gateways, smart factory systems, and embedded control projects.
| Specification | Details |
|---|---|
| Version | ESP32-S3-POE-ETH-8DI-8DO |
| Microcontroller | ESP32-S3 |
| Default Module | ESP32-S3-WROOM-1U-N16R8 |
| Module Customization | Customizable for other ESP32-S3 modules |
| Wireless Communication | 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 (LE) |
| USB Connector | USB Type-C |
| USB Power Supply | 5V |
| USB Functions | Power supply, USB communication, firmware downloading, etc. |
| Isolated RS485 Connector | Screw terminal |
| RS485 Direction Control | Automatically controlled by main controller hardware flow settings |
| RS485 Protection | TVS diode, surge protection & ESD protection |
| RS485 Matching Resistor | Onboard 120Ω resistor, NC by default; enabled via jumper |
| Isolated CAN Connector | Screw terminal |
| CAN Direction Control | Hardware automatic control |
| CAN Protection | TVS diode, surge protection & ESD protection |
| CAN Matching Resistor | Onboard 120Ω resistor, NC by default; enabled via jumper |
| Ethernet Interface | PoE Ethernet port |
| PoE Standard | IEEE 802.3af |
| Digital Output Channels | 8 channels |
| Digital Output Voltage | 5V–40V |
| Digital Output Type | Open-drain output |
| Maximum Output Load | 500mA per channel |
| Digital Output Isolation | Optocoupler isolation |
| Digital Input Channels | 8 channels |
| Digital Input Voltage | 5V–36V |
| Digital Input Type | Passive input / active input (NPN or PNP) |
| Digital Input Isolation | Bi-directional optocoupler isolation |
| RGB LED | Programmable RGB colorful LED |
| PWR LED | Red power indicator |
| TXD LED | Green TX indicator for RS485/CAN data transmission |
| RXD LED | Blue RX indicator for device data reception |
| Screw Terminal Power Supply | 7V–36V |
| Enclosure | Rail-mount protective case |
| Dimensions | 175 × 90 × 40 mm |
This product comes with a 1-year manufacturer warranty from the date of purchase, covering manufacturing defects only.
The product shows signs of physical damage, mishandling, exposure to water/moisture, fire, natural calamities, unauthorized repairs, improper storage near heat or direct sunlight, or alteration in any way.
The online experience was great and shipping was quick. Box was solid and item build is amazing. It works perfectly and customer support was helpful. I had a great customer experience overall and I highly recommend this today.
The online experience was great and shipping was fast. Packing was secure and product quality is excellent. It works perfectly and customer support was helpful. I had a great customer experience overall and I highly recommend this today.
The online experience was great and shipping was quick. Packing was secure and product quality is excellent. It works perfectly and customer support was helpful. I had a great customer experience overall and I highly recommend this today.
The online experience was great and shipping was quick. Box was solid and item quality is excellent. It works perfectly and customer support was helpful. I had a great customer experience overall and I highly recommend this today.
The online experience was great and shipping was quick. Box was secure and product quality is excellent. It works perfectly and customer support was helpful. I had a great customer experience overall and I highly recommend this today.
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