Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	ESP32-C3/S3/C6/H2
Flash Memory	4MB
SRAM	384KB
Wi-Fi Standard	2.4GHz 802.11 b/g/n
Bluetooth Version	Bluetooth 5 (LE)
Operating Voltage	3.3V
Input Voltage	5V via USB
GPIO Count	20+ Pins
Interface	USB Type-C
Dimensions	20mm x 13mm

5 reviews

Anonymous

Apr 10, 2026

Rating: 5/5

Perfect for IoT

Small form factor makes it easy to embed. Wi-Fi works flawlessly.

Anonymous

Mar 12, 2026

Rating: 4/5

Good value

Performance is solid for the price. Wish it had more PSRAM options.

Anonymous

Mar 05, 2026

Rating: 5/5

Reliable connectivity

Bluetooth pairing is stable. USB-C is a nice touch.

Anonymous

Feb 08, 2026

Rating: 5/5

Great learning board

Easy to set up with Arduino IDE. Good documentation online.

Anonymous

Jan 20, 2026

Rating: 5/5

Compact and powerful

Replaced my older ESP8266 boards with these. Much faster.

5 FAQ

Q: What is the maximum current per GPIO?

A: Please refer to the datasheet, typically around 12mA per pin.

Q: Does it support MicroPython?

A: Yes, MicroPython and CircuitPython are supported.

Q: Is this compatible with Arduino IDE?

A: Yes, it supports Arduino IDE and PlatformIO.

Q: Can I power it with a 3.7V battery?

A: Yes, via the 3.3V pin, but ensure stable voltage.

Q: Is there a reset button?

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

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