Supports interfaces such as UART/SPI/I2C/PWM
Headphone port: Insert 3.5mm headphone jack to support left and right channel output
Left and right channel speakers: support output 4Ω 3W speaker output, and support dual channel output
Two analog microphones, respectively, as audio input; support for headset microphone input
Support 3.7V lithium battery input; support 5V 2A power input, support simultaneous lithium battery charging
Support 64G card reading and writing
Support multiple sleep modes
Embedded Lwip and FreeRTOS
Support STA//STA+ working mode
Support Smart Config/AirKiss One-click distribution network
colour:black
Material:plastic
size:65x58mm
Package Contents:
1 x ESP32 Audio Development Board
Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
I/O Mapping
|
I/O |
Signal |
Notes |
|---|---|---|
|
0 |
BOOT Button |
|
|
2 |
DATA0 SDCard |
|
|
4 |
DATA1 SDCard |
|
|
5 |
KEY6 Button |
|
|
12 |
DATA2 SDCard |
|
|
13 |
KEY2 Button/DATA3 SDCard |
(DIP Switch) |
|
14 |
CLK SDCard |
|
|
15 |
CMD SDCard/JTAG MTDO |
(DIP Switch) |
|
18 |
KEY5 Button |
|
|
19 |
KEY3 Button/LED5 |
|
|
21 |
CTRL Audio AMP |
|
|
22 |
LED4 |
|
|
23 |
KEY4 Button |
|
|
34 |
SDCard Detect |
|
|
36 |
KEY1 Button |
Header Pins (7x2)
GND IO0 RST TX0 RX0 3v3 3v3
IO21 IO22 IO19 IO23 IO18 IO5 GND