Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Processor	Dual-core Xtensa LX7
Clock Speed	240 MHz
Flash Memory	8 MB
PSRAM	8 MB
Wi-Fi Standard	802.11b/g/n
Bluetooth Version	5.0 LE
USB Interface	Type-C
Logic Voltage	3.3V
Input Voltage	5V DC
Board Size	25.4 x 17.8 mm

5 reviews

Anonymous

Apr 16, 2026

Rating: 5/5

Easy to use

Plug and play with Arduino IDE. The USB-C connection is very convenient compared to older micro USB boards.

Anonymous

Mar 14, 2026

Rating: 5/5

Great for IoT

Works perfectly with Home Assistant. The Bluetooth connectivity is stable and the Wi-Fi range is impressive for such a small board.

Anonymous

Mar 09, 2026

Rating: 5/5

Fast shipping

Board arrived quickly and works well. No issues with pinout compatibility on my existing projects.

Anonymous

Feb 28, 2026

Rating: 4/5

Solid choice

Good pinout layout. I wish it had a battery connector included, but otherwise it is a great development board.

Anonymous

Feb 14, 2026

Rating: 4/5

Good board

Solid performance for the price. It gets a bit warm under heavy load but nothing concerning. Easy to flash firmware.

5 FAQ

Q: Does it have a reset button?

A: Yes, there is an onboard EN button for reset.

Q: Is it 5V tolerant?

A: No, the GPIO pins are 3.3V logic only.

Q: What is the power consumption?

A: Approximately 50mA in active transmission mode.

Q: Can I use this with ESP-IDF?

A: Yes, it is fully compatible with ESP-IDF framework.

Q: Does this support MicroPython?

A: Yes, this board supports MicroPython firmware.

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