A
Anonymous
Apr 02, 2026
Rating: 3/5
Okay for beginners
Documentation was hard to find initially. Board works fine though.
Description
ESP-32 Development Board WiFi + Bluetooth 2-in-1 Dual-Core CPU Low Power ESP32 ESP-32S 2.4 GHz
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| CPU Architecture | Dual-Core Tensilica LX6 |
| Clock Frequency | 240 MHz |
| Flash Memory | 4 MB |
| SRAM | 520 KB |
| Wi-Fi Standard | 802.11 b/g/n |
| Bluetooth Version | v4.2 BR/EDR and BLE |
| GPIO Pins | 34 Programmable Pins |
| Operating Voltage | 3.3V |
| Input Interface | Micro USB |
| Board Dimensions | 55mm x 28mm |
5 reviews
A
Anonymous
Mar 01, 2026
Rating: 5/5
Fast and Reliable
Bluetooth connectivity is stable. Low power mode works as advertised.
A
Anonymous
Jan 29, 2026
Rating: 4/5
Good value
Great board but pinout diagram could be clearer for beginners.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Perfect Replacement
Upgraded from ESP8266. The dual core makes a huge difference.
A
Anonymous
Jan 28, 2026
Rating: 5/5
Excellent for IoT
Works perfectly with Arduino IDE. The Wi-Fi range is impressive.
5 FAQ
Q: Max current per GPIO pin?
A: The recommended maximum current per GPIO pin is 12mA.
Q: Does this support Arduino IDE?
A: Yes, it is fully compatible via the ESP32 board manager package.
Q: Is a USB cable included?
A: Yes, a standard Micro USB cable is included in the package.
Q: Is the GPIO 5V tolerant?
A: No, the GPIO pins operate at 3.3V logic level. Use a level shifter for 5V devices.
Q: What is the deep sleep current?
A: Approximately 10 microamps in deep sleep mode depending on configuration.
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