@@ -21,13 +21,17 @@ The first parameter to `attachInterrupt()` is an interrupt number. Normally you
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|Board |Digital Pins Usable For Interrupts
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|Uno, Nano, Mini, other 328-based |2, 3
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+ |UNO R4 Minima, UNO R4 WiFi |2, 3
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|Uno WiFi Rev.2, Nano Every |all digital pins
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|Mega, Mega2560, MegaADK |2, 3, 18, 19, 20, 21 (*pins 20 & 21* are not available to use for interrupts while they are used for I2C communication)
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|Micro, Leonardo, other 32u4-based |0, 1, 2, 3, 7
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|Zero |all digital pins, except 4
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|MKR Family boards |0, 1, 4, 5, 6, 7, 8, 9, A1, A2
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|Nano 33 IoT |2, 3, 9, 10, 11, 13, A1, A5, A7
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|Nano 33 BLE, Nano 33 BLE Sense |all pins
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+ |Nano RP2040 Connect |all pins except A6/A7
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+ |Nano ESP32 |all pins
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+ |GIGA R1 WiFi |all pins
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|Due |all digital pins
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|101 |all digital pins (Only pins 2, 5, 7, 8, 10, 11, 12, 13 work with *CHANGE*)
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