Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	ESP32-S3-WROOM-1
CPU Frequency	240 MHz
Flash Memory	8 MB
PSRAM	8 MB
Wireless Connectivity	Wi-Fi 802.11b/g/n, Bluetooth 5 LE
USB Interface	USB Type-C
GPIO Pins	45 Programmable
Logic Voltage	3.3V
Input Voltage	5V via USB
Board Size	20.5 x 17.5 mm

5 reviews

Anonymous

Apr 12, 2026

Rating: 5/5

Easy to Flash

Recognized immediately on Windows 11. No driver issues encountered during setup.

Anonymous

Mar 27, 2026

Rating: 5/5

Bluetooth Works Well

Connected to my phone without issues. BLE advertising is stable and range is decent.

Anonymous

Mar 12, 2026

Rating: 5/5

Compact Powerhouse

Great for space-constrained IoT builds. The form factor is tiny but it packs all the features I need.

Anonymous

Feb 08, 2026

Rating: 4/5

Solid Board

Pinout diagram could be clearer in the documentation, but the hardware itself is reliable.

Anonymous

Feb 05, 2026

Rating: 4/5

Good but hot

Runs a bit warm under load when using Wi-Fi continuously. Otherwise performance is solid.

5 FAQ

Q: What is the current limit via USB?

A: Approximately 500mA can be drawn via the USB Type-C connection.

Q: Does it need specific drivers?

A: It typically uses CH343 or CP210x drivers depending on the production batch.

Q: Is 5V tolerated on GPIO pins?

A: No, the GPIO pins are strictly 3.3V logic. Applying 5V may damage the board.

Q: Is a battery connector included?

A: No, there is no dedicated battery connector. You can manage battery via GPIO.

Q: Can I use ESP-IDF for development?

A: Yes, the ESP32-S3 is fully supported by the ESP-IDF framework.

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