Arduino Quick Start
2. Devices & Examples
3. M5Unified
4. M5GFX
5. Extensions
Unit
Base
Cap
IoT
Accessories
Chain DualKey Switch
APIs and example programs related to the Chain DualKey Switch.
Example Program
Build Requirements
- M5Stack Board Manager version ≥ 3.2.4
- Board option = M5ChainDualKey
cpp
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#define SWITCH_BLE 8
#define SWITCH_WIFI 7
void setup() {
pinMode(SWITCH_BLE, INPUT);
pinMode(SWITCH_WIFI, INPUT);
Serial.begin(115200);
}
void loop() {
if (digitalRead(SWITCH_BLE) == HIGH) {
Serial.println("Switch in BLE position");
} else if (digitalRead(SWITCH_WIFI) == HIGH) {
Serial.println("Switch in WIFI position");
} else {
Serial.println("Switch in middle position");
}
delay(500);
}This program checks the switch position every 500 milliseconds and prints the current state message to the Serial Monitor:
