Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Brand | Youxin Electronics |
| Model Number | ESP32-Audio-Kit |
| Core Chip | Espressif ESP32-WROVER |
| Connectivity | Wi-Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR and BLE |
| Audio Codec | ES8388 Stereo ADC/DAC |
| Input Voltage | 5V via Micro-USB or Header |
| Flash Memory | 4MB SPI Flash |
| PSRAM | 8MB Octal SPI PSRAM |
| Interfaces | I2S, I2C, UART, SPI, PWM, ADC, DAC |
| Dimensions | 96mm x 64mm x 14mm |
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for IoT Audio Projects
This board is exactly what I needed for my smart speaker prototype. The ES8388 codec provides clear audio output, and the Wi-Fi connection is stable. Setup with ESP-IDF was straightforward.
Anonymous
Mar 20, 2026
Rating: 5/5
Low latency and high fidelity
I tested this for a wireless intercom system. The latency over Wi-Fi is impressively low, and the sound quality through the headphone jack is crisp. No static or interference detected.
Anonymous
Mar 19, 2026
Rating: 4/5
Good learning tool
As someone new to embedded systems, this board was a bit challenging at first, but there are plenty of example projects online. The Bluetooth pairing process is very smooth.
Anonymous
Mar 18, 2026
Rating: 5/5
Excellent value for money
Compared to other development boards, this offers incredible features for the price. The built-in microphone array works great for voice recognition experiments. Highly recommended for students.
Anonymous
Mar 18, 2026
Rating: 5/5
Reliable for industrial prototyping
We used several of these for a proof-of-concept in our factory monitoring system. They have been running continuously for weeks without crashing. The GPIO headers are robust.
Anonymous
Mar 10, 2026
Rating: 4/5
Great hardware, documentation could be better
The build quality is solid and the dual-core processor handles audio streaming well. I deducted one star because some pinout diagrams in the manual were slightly unclear, but community forums helped.
Q: What is the maximum sampling rate supported by the audio codec?
A: The ES8388 codec on this board supports sampling rates up to 96kHz with 24-bit resolution.
Q: Does this come with a case or enclosure?
A: No, this package includes only the development board. Enclosures must be purchased separately or 3D printed using available STL files from the community.
Q: Does this board support Over-The-Air (OTA) updates?
A: Yes, the ESP32-Audio-Kit fully supports OTA updates via Wi-Fi using the ESP-IDF framework or Arduino IDE.
Q: Is the source code for the demo examples open source?
A: Yes, all demo examples and the underlying ESP-ADF (Audio Development Framework) are open source and available on GitHub.
Q: Can I power this board directly with a 3.7V LiPo battery?
A: While the board has a battery connector option in some revisions, it is recommended to use the 5V Micro-USB input or a regulated 5V source unless you are certain your specific revision includes the charging circuit.
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