Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Main Chip | ESP32-WROVER-E |
| Flash Memory | 4 MB |
| PSRAM | 8 MB |
| Wi-Fi Protocol | 802.11 b/g/n |
| Bluetooth Version | v4.2 BR/EDR and BLE |
| Audio Codec | ES8388 |
| Input Voltage | 5V via Micro USB |
| Interfaces | I2S, I2C, SPI, UART, GPIO |
| Board Dimensions | 89mm x 55mm |
| Operating Temperature | -40°C to +85°C |
Anonymous
Mar 10, 2026
Rating: 4/5
Good quality, documentation could be better
Hardware is solid. Wi-Fi connectivity is stable. Wish the wiki had more examples for beginners.
Anonymous
Feb 27, 2026
Rating: 5/5
Fast shipping and genuine product
Received quickly. Tested the Bluetooth streaming and it works without latency issues.
Anonymous
Feb 25, 2026
Rating: 5/5
Perfect for IoT Audio Projects
Great board for building voice assistants. The ES8388 codec works flawlessly with ESP-IDF.
Anonymous
Feb 10, 2026
Rating: 5/5
Excellent microphone quality
The onboard mic picks up voice clearly for wake word detection. Very satisfied with this purchase.
Anonymous
Jan 23, 2026
Rating: 4/5
Solid development tool
Works well with Arduino IDE too. Only minor issue was the USB cable included felt a bit cheap.
Q: Is this compatible with ESP-IDF?
A: Yes, it is fully supported by the latest ESP-IDF versions.
Q: Is the source code open?
A: Yes, the examples are open source under Apache 2.0 license on GitHub.
Q: What is the impedance of the headphone jack?
A: The headphone output supports standard 32-ohm headphones.
Q: Can I power this with a battery?
A: Yes, there are pins available for battery connection, but ensure voltage regulation.
Q: Does it support Alexa Voice Service?
A: It is capable of running AVS, but you will need to configure the software yourself.
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