Joy-it RB-P-XPLR-SET handleiding

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Joy-it

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Handleiding

4.3 RELAY

Relays are some of the oldest electromechanical components and function as electrically controlled switches. With a small input voltage and low current, a

large electrical load can be switched on and o at the output. When the relay switches through, the red LED also lights up. You can insert stripped cable ends

into the terminal socket (by pressing down the orange lever) to use the three connections.

The relay is connected to GPIO pin GP28.

# Load libraries

from machine import Pin, PWM

from utime import sleep

relayPin = 28

# Initialize GPIOs

relay = Pin(relayPin, Pin.OUT)

while True:

# Toggle Relay

relay.on()

sleep(1)

relay.off()

sleep(1)

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