The Maker Go ESP32-C5-EVB is a developer board integrating an ESP32-C5 module with support for Wi-Fi 6, Bluetooth LE 5.0, Thread, and Zigbee, making it ideal for smart home applications. This board features four relays and four opto-isolated inputs, along with an RS-485 communication port. Compared to its predecessor, the ESP32-C6-EVB, the C5 version has significant architectural modifications and interface improvements, offering a more versatile layout. The ability to extend memory through PSRAM and external flash adds further flexibility for projects. The device powers via a DC source and can be easily programmed through a USB Type-C port. With its combination of hardware and software, it’s particularly suitable for industrial control and automation applications.

Critical Analysis

The Maker Go ESP32-C5-EVB stands out for its technical specifications and versatility, making it a great choice for IoT developers. The four relays and opto-isolated inputs offer ample options for device control. However, the learning curve for beginners may be steep. The availability of schematics and source code is a positive aspect, fostering the learning and implementation of complex projects. It remains to be seen whether this board will be able to compete with other products from established brands in the IoT market.

Pros and Cons

Pros	Cons
Support for Wi-Fi 6 and Bluetooth LE 5.0	May have a steep learning curve for beginners
Four relays and opto-isolated inputs	Not yet tested widely in the market
Robust communication via RS-485	Limited community documentation and guides
Competitive price	Potentially less documentation than competitors

Sources

Author: Jean-Luc Aufranc
URL: https://www.cnx-software.com/2026/07/31/maker-go-esp32-c5-evb-board-features-rs-485-interface-four-relays-four-opto-isolated-inputs/
Publication Date: 2026-07-31

Rights and Attribution

Images, logos, and photographs are the property of their respective owners. Used for commentary purposes.

---

← Back to blog