Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP32-S3-WROOM-1
Wi-Fi Standard	802.11b/g/n (2.4 GHz)
Bluetooth Version	Bluetooth 5.0 (LE)
Communication Interface 1	Isolated RS485
Communication Interface 2	Isolated CAN Bus
Input Voltage	5V DC via USB or Terminal
Flash Memory	4MB
PSRAM	8MB Octal SPI
Operating Temperature	-40°C to 85°C
Board Dimensions	65mm x 30mm

5 reviews

Anonymous

Mar 13, 2026

Rating: 4/5

Great Hardware, Learning Curve

Board works perfectly. Took some time to configure the CAN library but overall very satisfied.

Anonymous

Mar 08, 2026

Rating: 5/5

Perfect for Prototyping

Love the terminal blocks. Makes connecting sensors much easier than using breadboards.

Anonymous

Feb 18, 2026

Rating: 5/5

Excellent for Industrial Automation

Used this for a Modbus project. The isolation gives peace of mind when connecting to legacy machinery.

Anonymous

Feb 16, 2026

Rating: 5/5

Stable Connection

Wi-Fi remains stable even near heavy machinery. Recommended for factory floor use.

Anonymous

Jan 21, 2026

Rating: 4/5

Good Value

Solid build quality. Wish the documentation was slightly more detailed for beginners.

5 FAQ

Q: Can I power this via the VIN terminal?

A: Yes, you can supply 5V DC directly to the VIN terminal blocks for operation.

Q: Are the headers pre-soldered?

A: No, the board comes with header pins included in the package for you to solder.

Q: Is this compatible with Arduino IDE?

A: Yes, it is fully compatible with the Arduino IDE using the ESP32 board manager.

Q: What is the isolation voltage rating?

A: The communication interfaces are isolated up to 2500Vrms for safety protection.

Q: Does it support MicroPython?

A: Yes, the ESP32-S3 chip supports MicroPython firmware natively.

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