System 1 - System 2
ESP32 Port |
I/O |
SPH0645 I2S Mic Port |
I/O |
Bezeichnung |
| GND |
I |
SEL |
I |
Channel select |
| GPIO 25 |
I/O |
LRCL |
I/O |
Left/Right clock (WS) |
| GPIO 33 |
I/O |
DOUT |
I/O |
Data out |
| GPIO 32 |
I/O |
BCLK |
I/O |
Bit Clock |
| GND |
I |
GND |
I |
Ground |
| VDD |
O |
VDD |
I |
Versorgungsspanung |
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System 1 - System 3 (mit optinalem
Mikrofon)
ESP32 Port |
I/O |
ICS4343v0.1 I2S Mic Port |
I/O |
Bezeichnung |
| GND |
I |
LR |
I |
Left/Right Channel |
| GPIO 25 |
I/O |
WS |
I/O |
Word Select |
| GPIO 33 |
I/O |
SD |
I/O |
Serial Data |
| GPIO 32 |
I/O |
SCK |
I/O |
Serial Clock |
| VDD |
O |
VDD |
I |
Versorgungsspannung |
| GND |
I |
GND |
I |
Ground |
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