ESP32-S3 IoT PLC Board – Cloud Monitoring, Relay Outputs & CAN

StamPLC – ESP32-S3 IoT Programmable Logic Controller with Cloud Monitoring

Meet the StamPLC — a powerful, compact IoT Programmable Logic Controller (PLC) built on the ESP32-S3FN8 (StampS3A) control module. Engineered for industrial automation, remote monitoring, and smart field deployments, this development board combines robust connectivity, flexible I/O, and cloud data integration in a DIN-rail-ready form factor.

Whether you're building a smart factory system, automating a remote facility, or prototyping an industrial IoT solution, the StamPLC delivers the processing power, connectivity, and durability to get the job done.

Key Features

• Powerful Core: Based on the StampS3A control module (ESP32-S3FN8) for high-performance processing and efficient Wi-Fi/Bluetooth wireless connectivity
• EZData Cloud Monitoring: Seamlessly push and monitor real-time data to the cloud for remote visibility and centralized control
• 8 Opto-Isolated Digital Inputs: Electrically isolated inputs for safe, noise-free signal acquisition from sensors and field devices
• 4 Relay Outputs (AC/DC): Versatile relay outputs capable of switching both AC and DC loads for direct actuator and device control
• Industrial Fieldbus Interfaces: Onboard PWR-CAN and PWR-485 ports for seamless integration into standard industrial communication networks
• Expandable I/O: GPIO.EXT port and 2 Grove interfaces allow easy connection of additional sensors, modules, and actuators
• 1.14-inch Color Display: Real-time parameter display and status monitoring at a glance
• User Controls & Alerts: RESET/BOOT button, 3 programmable user buttons, and a buzzer for anomaly alerts and configuration
• Wide Voltage Input: Supports DC 6–36V for compatibility with diverse industrial power supplies
• DIN Rail Mounting: Standard DIN rail design for secure, professional panel installation
• Micro-SD Card Slot: Built-in slot for convenient data logging, storage, and firmware updates
• Material: PCB

Power Supply Notice

The power supply output pins for the PWR-CAN and PWR-485 interfaces are directly connected to the main input power. Always ensure the input voltage matches the power requirements of any connected external devices before operation.

Package Contents

• 1 × StamPLC IoT ESP32-S3 PLC Development Board

Note: Product appearance and printed text may vary by production batch; this does not affect performance or functionality. Color may vary slightly due to display settings and lighting. Measurement tolerance: ±1–3 cm.

Made in Mainland China.

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Frequently Asked Questions

Q: What microcontroller powers the StamPLC IoT development board?

A: The StamPLC is built on the StampS3A control module featuring the ESP32-S3FN8 chip, which provides powerful dual-core processing along with integrated Wi-Fi and Bluetooth wireless connectivity — ideal for IoT and industrial automation applications.

Q: Can the StamPLC relay outputs control both AC and DC devices?

A: Yes. The 4 relay outputs on the StamPLC support both AC and DC loads, making them highly versatile for controlling a wide range of industrial actuators, motors, solenoids, and other equipment.

Q: What voltage range does the StamPLC support?

A: The StamPLC accepts a wide input voltage range of DC 6–36V, making it compatible with standard industrial power supplies and various field deployment scenarios.

Q: Does the StamPLC support DIN rail installation?

A: Yes. The StamPLC is specifically designed for standard DIN rail mounting, ensuring a secure, professional installation inside industrial control panels and enclosures.

Q: Can I use the StamPLC for cloud-based remote monitoring?

A: Absolutely. The StamPLC integrates with EZData Cloud Monitoring, allowing you to transmit sensor data, monitor device status, and manage your automation system remotely from anywhere with an internet connection.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.