this project converts an uninterruptable power supply (ups) into an 8 channel relay box that is controlled by a ps2keyboard with an arduino uno. hardware: the battery & charging circuit is removed ...
Normal: Manual control of each relay All ON: Activate all relays All OFF: Deactivate all relays Alternating: Alternate between odd and even relays Sequential: Activate one relay at a time in sequence ...
Nowadays, people have smartphones with them all the time. So it makes sense to use these to control home appliances. Presented here is a home automation project using a simple Android app, which you ...
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