Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Processor | Dual-Core 240MHz Xtensa® 32-bit LX6 |
| Flash Memory | 4MB SPI Flash |
| SRAM | 520KB |
| Wi-Fi Standard | 802.11 b/g/n (2.4 GHz) |
| Bluetooth Version | v4.2 BR/EDR and BLE |
| GPIO Pins | 38 Pins available |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via Micro-USB |
| Current Consumption | ~80mA (transmitting) |
| Programming Interface | USB-to-UART Bridge |
Anonymous
Mar 24, 2026
Rating: 3/5
Documentation needed
Hardware is fine but setup was tricky. Had to find external drivers for the USB bridge. Would be better if a guide was included.
Anonymous
Feb 11, 2026
Rating: 4/5
Good board, minor issues
Great value for the price. The pins are a bit tight for some breadboards, but functionality is solid. Bluetooth pairing was quick.
Anonymous
Feb 09, 2026
Rating: 5/5
Fast and Reliable
Bluetooth connectivity is stable and the range is decent. I use this for sensor data logging and it hasn't failed me yet.
Anonymous
Feb 07, 2026
Rating: 5/5
Excellent for IoT Projects
Works perfectly with the Arduino IDE. The Wi-Fi connection is stable and the dual-core processing handles multitasking well. Highly recommended for beginners.
Anonymous
Feb 05, 2026
Rating: 5/5
Perfect for Home Automation
Running MQTT without issues. Low power consumption in deep sleep mode makes it ideal for battery-powered sensors.
Q: Can it act as a standalone web server?
A: Absolutely. You can host a web server directly on the ESP32 to control pins via a browser.
Q: What is the maximum voltage allowed on GPIO pins?
A: The GPIO pins operate at 3.3V logic level. Do not exceed 3.3V to avoid damage.
Q: What power supply current is recommended?
A: We recommend a 500mA power supply to ensure stable operation during Wi-Fi transmission.
Q: Is this board compatible with MicroPython?
A: Yes, this ESP32 module fully supports MicroPython firmware.
Q: Does this come with pre-soldered headers?
A: Yes, the standard package includes pre-soldered pin headers ready for breadboard use.
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