Anonymous
Apr 16, 2026
Rating: 5/5
Bluetooth Range Impressive
Using BLE for a home automation project. The range is better than expected for the onboard antenna.
Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| CPU | Dual-Core Tensilica LX6 |
| Clock Speed | 240 MHz |
| Wi-Fi | 802.11 b/g/n (2.4 GHz) |
| Bluetooth | v4.2 BR/EDR and BLE |
| Flash Memory | 4MB |
| SRAM | 520KB |
| GPIO Pins | 34 Programmable Pins |
| Operating Voltage | 3.3V |
| Interface | USB-to-UART Bridge |
| Dimensions | 55mm x 28mm x 13mm |
Anonymous
Apr 16, 2026
Rating: 5/5
Bluetooth Range Impressive
Using BLE for a home automation project. The range is better than expected for the onboard antenna.
Anonymous
Apr 07, 2026
Rating: 5/5
Low Power Consumption
Measured the deep sleep current and it is indeed very low. Great for battery-powered sensors.
Anonymous
Feb 10, 2026
Rating: 4/5
Good Value but Needs Docs
Hardware is solid and cheap. However, beginners might struggle finding specific pinout diagrams for this specific revision.
Anonymous
Jan 23, 2026
Rating: 3/5
Driver Issues Initially
Took some time to install the correct USB drivers on Windows. Once working, it is fine.
Anonymous
Jan 21, 2026
Rating: 5/5
Perfect for IoT Projects
This board works flawlessly with the Arduino IDE. The Wi-Fi connectivity is stable and the dual-core processing handles multitasking well.
Q: Is this board compatible with MicroPython?
A: Yes, this ESP32 board is fully compatible with MicroPython firmware.
Q: Is a USB cable included in the box?
A: Yes, a standard Micro USB cable is included for programming and power.
Q: Can I power this directly with 3.3V?
A: Yes, you can supply 3.3V directly to the 3.3V pin, bypassing the regulator.
Q: What is the maximum current per GPIO pin?
A: We recommend drawing no more than 12mA per GPIO pin to ensure stability.
Q: Does it support an external antenna?
A: No, this model features a fixed onboard PCB antenna only.