Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	ESP32-C3FH4
CPU Architecture	32-bit RISC-V
Flash Memory	4MB
SRAM	400KB
Wi-Fi Standard	802.11 b/g/n
Bluetooth Version	Bluetooth 5 (LE)
Operating Voltage	3.3V
Input Voltage	5V via USB
GPIO Pins	22 Programmable
Dimensions	25.4 x 12.7 mm

5 reviews

Anonymous

Apr 16, 2026

Rating: 5/5

Great for IoT

Compact and powerful. The RISC-V architecture works smoothly with Arduino IDE.

Anonymous

Apr 13, 2026

Rating: 5/5

Easy to start

Plug and play via USB-C. Drivers installed automatically on Windows.

Anonymous

Mar 30, 2026

Rating: 4/5

Solid performance

Nice form factor. Heat dissipation is good under load.

Anonymous

Mar 11, 2026

Rating: 4/5

Good value

Works as expected. Wish it had more detailed pinout silk screening.

Anonymous

Feb 18, 2026

Rating: 5/5

Low power

Great for battery-powered sensors. Bluetooth LE connectivity is stable.

5 FAQ

Q: Can I power this via VIN pin?

A: Yes, VIN accepts 5V input which is regulated to 3.3V.

Q: What debugger interface is supported?

A: It supports JTAG debugging via USB.

Q: Is the antenna external or onboard?

A: It features a onboard PCB antenna.

Q: Does it have a built-in LED?

A: Yes, there is an onboard WS2812 RGB LED.

Q: Is this compatible with MicroPython?

A: Yes, the ESP32-C3 supports MicroPython firmware.

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