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Source Code and Docs about the Node Module designed by M5Stack

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Docs about the Node Module designed by M5Stack

DESCRIPTION

TheNode is asound box module with 12 RGBLed(SK6812), a codec chip(WM8978), DHT12, IR Transmitter and Receiver(CHQ0038H), two MICs. WM8978 is often used to be applied for Hi-Fi Speaker. You can program it after connected to any series of M5Stack Core through Arduino.

You can creat a Webradio, Bluetooth Speaker, even Intelligent sound box with this module.

For verifying the hardware, you can burn theseexample codes to Node.

PinMap

Codec Chip(WM8978)ESP32
I2S_CLK ( MCLK )GPIO0
I2S_WS ( LRC )GPIO13
I2S_BCK ( BCK )GPIO5
I2S_IN ( DACDAT )GPIO2 ( MOSI )
I2S_OUT ( ADCDAT )GPIO34 ( MISO )
I2C_SDA ( SDIN )GPIO21
I2C_SCL ( SCLK )GPIO22
L_OUT1 ( LOUT1 )GPIO25
RGBLed(SK6812)ESP32
SK6812GPIO15
IRESP32
IR_ReceiveGPIO35
IR_SendGPIO12
DHT12ESP32
I2C_SDAGPIO21
I2C_SCLGPIO22

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