Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP32-E Module
Wireless Connectivity	Wi-Fi 802.11 b/g/n & Bluetooth v4.2 BR/EDR and BLE
USB Interface Chip	CH340C
Operating Voltage	3.3V
Flash Memory	4MB
SRAM	520KB
GPIO Pins	30 Pins
Input Voltage	5V via Micro USB
Dimensions	55mm x 28mm x 13mm
Compatibility	Arduino IDE, MicroPython, ESP-IDF

5 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Perfect for IoT projects

Works flawlessly with Arduino IDE. The CH340C driver was easy to install and the board was recognized immediately.

Anonymous

Mar 19, 2026

Rating: 5/5

Great upgrade from ESP8266

The dual-core processing makes a huge difference. Bluetooth connectivity is stable and setup was straightforward.

Anonymous

Feb 21, 2026

Rating: 5/5

Fast shipping

Arrived well packaged. Board recognized immediately on Windows 10 without needing extra drivers.

Anonymous

Feb 11, 2026

Rating: 4/5

Reliable for students

Bought 10 for our workshop. 9 worked out of the box. Support was helpful with the one issue we encountered.

Anonymous

Jan 24, 2026

Rating: 4/5

Good value board

Solid build quality. Wi-Fi range is decent for the price. One pin was slightly bent but fixed easily.

5 FAQ

Q: What is the current draw in deep sleep?

A: Typically around 10-20 microamps depending on your specific configuration and peripherals.

Q: Does this support 5V logic on GPIO?

A: No, the GPIO pins are 3.3V logic. Using 5V directly on GPIO pins may damage the board.

Q: Can I power this with a 9V battery?

A: Yes, via the VIN pin, but ensure it regulates down correctly. USB input is strictly 5V.

Q: Is the antenna external or onboard?

A: This model features an onboard PCB antenna integrated into the module.

Q: Does it work with Mac OS?

A: Yes, you may need to install the CH340 drivers manually for macOS.

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