Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP32-WROOM-32
CPU Frequency	240 MHz
Flash Memory	4 MB
SRAM	520 KB
WiFi Standard	802.11 b/g/n
Bluetooth Version	v4.2 BR/EDR and BLE
GPIO Pins	30
Operating Voltage	3.3V
Input Voltage	5V (Micro USB)
Dimensions	55mm x 28mm

5 reviews

Anonymous

Mar 20, 2026

Rating: 5/5

Great for kids coding

We use this with mBlock and Scratch. My children find it very easy to program simple games.

Anonymous

Mar 14, 2026

Rating: 5/5

Excellent for IoT learning

This board works perfectly with the Arduino IDE. Setup was easy and WiFi connectivity is stable.

Anonymous

Mar 09, 2026

Rating: 4/5

Good value board

Hardware is solid. Documentation could be slightly better for absolute beginners.

Anonymous

Mar 06, 2026

Rating: 5/5

Fast shipping and works well

Arrived quickly. Tested the Bluetooth and it pairs instantly with my phone.

Anonymous

Feb 14, 2026

Rating: 5/5

Reliable performance

Been running a sensor project for weeks without any crashes or disconnects.

5 FAQ

Q: Is this compatible with 5V logic sensors?

A: The GPIO pins operate at 3.3V logic. Please use a level converter for 5V sensors.

Q: Is the Bluetooth range long?

A: The typical range is around 10 meters in open space without obstacles.

Q: Can I power this with a battery?

A: Yes, you can power it via the VIN pin or use a LiPo battery with an adapter.

Q: Does it work with Mac OS?

A: Yes, it is compatible with Windows, Mac OS, and Linux systems.

Q: What USB cable is included?

A: It comes with a standard Micro USB cable for power and programming.

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