Relay Toggle Sample

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Relay Toggle Sample

This sample demonstrates toggling the relays.

To run the sample:
1.
Download the sample code from https://github.com/Turta-io/RelayHAT2/blob/master/Samples/Python/Relay_Toggle.py​
2.
Copy the sample code to a folder on the Raspberry Pi.
3.
Open terminal, and then go to the folder you copied the sample.
4.
Run the sample with the following command:
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python3 Relay_Toggle.py
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Sample Code
Relay_Toggle.py
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#!/usr/bin/env python3
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​
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#This sample demonstrates toggling the relays.
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#Install Relay HAT 2 library with "pip3 install turta-relayhat2"
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​
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from time import sleep
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from turta_relayhat2 import Turta_Relay
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​
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#Initialize
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relay = Turta_Relay.RelayController()
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​
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try:
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    while 1:
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        #Toggle relays 1 to 5
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        for x in range(1, 6):
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            print("Toggling relay", x)
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            relay.toggle(x)
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            sleep(2.0)
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​
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        #Toggle all relays
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        relay.toggle_all()
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        print("Toggling all relays")
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        sleep(2.0)
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​
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except KeyboardInterrupt:
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    print('Bye.')
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Result
When you run the sample, the relays invert their states sequentially. The application also writes the relay states to the terminal. The example output should be like this:
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Toggling relay 1
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Toggling relay 2
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Toggling relay 3
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Toggling relay 4
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Toggling relay 5
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Toggling all relays
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To stop the Python script, just press CTRL + C.

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