Spyke

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memes

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Simple trick

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Not by default. It remembers the MAC for each specific network. This is because sometimes you want to have specific device on the same IP all the time. The DHCP decides this via the MAC.

If you want it truly randomised every time you need to turn on non persistent MAC randomisation in the developer option.

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Shift register > Relays - inconsistent results when load is attached to relay

Not entirely sure, but maybe these help you somehow:

The relay has a coil which requires 0.35W. The chip seems to have a maximum output current of 35mA.

The ‚switch on current‘ of an inductive load is usually 3 to 5 times higher than the ‚hold‘ current.

The valve may not have a free-wheeling-diode. This could create an issue by creating strange voltage spikes on all your supply voltages (connected by GND).