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:
