Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller | ESP32-WROOM-32 |
| CPU Frequency | 240 MHz |
| Flash Memory | 4 MB |
| SRAM | 520 KB |
| WiFi Standard | 802.11 b/g/n |
| Bluetooth Version | v4.2 BR/EDR and BLE |
| GPIO Pins | 30 |
| Operating Voltage | 3.3V |
| Input Voltage | 5V (Micro USB) |
| Dimensions | 55mm x 28mm |
Anonymous
Mar 20, 2026
Rating: 5/5
Great for kids coding
We use this with mBlock and Scratch. My children find it very easy to program simple games.
Anonymous
Mar 14, 2026
Rating: 5/5
Excellent for IoT learning
This board works perfectly with the Arduino IDE. Setup was easy and WiFi connectivity is stable.
Anonymous
Mar 09, 2026
Rating: 4/5
Good value board
Hardware is solid. Documentation could be slightly better for absolute beginners.
Anonymous
Mar 06, 2026
Rating: 5/5
Fast shipping and works well
Arrived quickly. Tested the Bluetooth and it pairs instantly with my phone.
Anonymous
Feb 14, 2026
Rating: 5/5
Reliable performance
Been running a sensor project for weeks without any crashes or disconnects.
Q: Is this compatible with 5V logic sensors?
A: The GPIO pins operate at 3.3V logic. Please use a level converter for 5V sensors.
Q: Is the Bluetooth range long?
A: The typical range is around 10 meters in open space without obstacles.
Q: Can I power this with a battery?
A: Yes, you can power it via the VIN pin or use a LiPo battery with an adapter.
Q: Does it work with Mac OS?
A: Yes, it is compatible with Windows, Mac OS, and Linux systems.
Q: What USB cable is included?
A: It comes with a standard Micro USB cable for power and programming.
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