from machine import Pin from machine import Timer from utime import sleep_ms import network wlan = network.WLAN(network.STA_IF) wlan.active(True) networks = wlan.scan() ONBOARD_LED = 10 # GPIO10, PIN 7 ONBOARD_BTN = 3 # GPIO3, 13 # Configure on-board LED and push button # Stated GPIOs correspond to the wiring schematic onboard_led = Pin(ONBOARD_LED, Pin.OUT) onboard_button = Pin(ONBOARD_BTN, Pin.IN, Pin.PULL_UP) # Interrupt function to alternate on-board LED state def led_interrupt(t): onboard_led.value(not onboard_led.value()) # Interrupt function to turn LED ON when on-board button is pressed def button_interrupt(pin): print("Button was pressed") onboard_led.value(1) def main(): onboard_led_timer = Timer(0) # connect_wireless() if not wlan.isconnected(): onboard_led_timer.init(mode=Timer.PERIODIC,period=500,callback=led_interrupt) print("Connecting to Wi-Fi ...") wlan.connect('IoT_bots', '208208208') if wlan.isconnected(): print("Connected to Wi-Fi: " +wlan.config('ssid')) print("Channel: ", wlan.config('channel')) print("Security: ", wlan.config('hostname')) print(wlan.ifconfig()) onboard_led_timer.init(mode=Timer.PERIODIC,period=1500,callback=led_interrupt) # Assign interrupt to the on-board push button onboard_button.irq(trigger=Pin.IRQ_FALLING, handler=button_interrupt) if __name__ == '__main__': main()