Speaker¶
tone¶
Syntax:
1 | tone(uint16_t freq, [uint32_t duration]); |
Description: Set the pitch of speaker.
| Param | Description | type |
|---|---|---|
| freq | frequency | uint16_t |
| duration | duration (unit: millisecond) | uint16_t |
Example
1 2 3 4 5 6 | #include <M5Stack.h> void setup() { M5.begin(); M5.Speaker.tone(900, 1000); } |