Waveshare ESP32-S3 Industrial Control Board RS485 CAN WiFi Bluetooth

Imagine a controller that can talk to machines, sensors and the cloud without a mess of wires. The Waveshare ESP32-S3 Industrial Control Board does exactly that. It is built for engineers who need reliable RS485 and CAN communication together with WiFi and Bluetooth in one compact board. If you have ever struggled with separate modules, power issues or noisy signals, this board solves those headaches in a single, sturdy package.

Waveshare ESP32-S3 Industrial Control Board RS485 CAN WiFi Bluetooth

Many industrial projects require both wired and wireless links, but managing two different devices creates extra cost and space problems. Missing a reliable interface can cause data loss, slow response time and costly downtime. This switch board brings together a powerful ESP32-S3 MCU, isolated RS485 and CAN ports, plus 2.4 GHz WiFi and Bluetooth 5. It gives you a clean, single solution that reduces wiring, saves board space and improves signal integrity, so your system runs smoother and faster.

Benefits

• All communication options in one board, saving space and cost.
• Isolated RS485 and CAN protect your devices from voltage spikes.
• Built-in WiFi and Bluetooth let you add remote monitoring easily.
• USB-C port simplifies firmware updates and power delivery.
• LED indicators give instant visual feedback on power and data flow.

Usages

Use this board in factory automation to connect PLCs via CAN while sending status to a cloud dashboard over WiFi. It fits well in smart building projects where sensors talk over RS485 and the central controller talks to mobile apps via Bluetooth. Hobbyists can build robotics that need robust wired links for motor control and wireless links for remote commands. The rail-mount case makes it easy to install in control panels, DIN rails or test rigs.

Key Features

• ESP32-S3 MCU (default ESP32-S3R8) with dual-core processing.
• 2.4 GHz WiFi (802.11 b/g/n) for fast wireless networking.
• Bluetooth 5 LE for low-energy device connections.
• Isolated RS485 port with screw-terminal and hardware flow control.
• Isolated CAN port with screw-terminal and automatic direction control.
• USB Type-C connector for power and firmware download.
• 5 V regulated supply and 7 V-36 V DC input range.
• Onboard 120 resistor (NC by default, jumper selectable).
• TVS diode, surge and ESD protection on all communication lines.
• Power, RS485 and CAN LED indicators for quick status checks.
• Rail-mount protective enclosure measuring 91.6 23.3 58.7 mm.

Specifications