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Home Automation and even in Mesh networking projects
the contacts are metal spring wires angled away from the insertion interface
To program this microcontroller
Maximum AC load current: 7A @ 250/125V AC
you can connect Control Input Pin to any GPIO pin of 5V operating Arduino like UNO or MEGA and control the relay by your program
3S BMS - 20A Li-ion Battery Protection Board for 3.7V NMC cells Header Wire Home Automation and even inLithium Ion batteries though have high energy density and light in weight, are very dangerous if abused i. e., if you overcharge or undercharge the battery or draw more current than it can provide then it can explode damaging the surrounding or even potentially harm the humans around. To prevent this to happen you should use your batteries with a protection board. This 3S Lithium ion Battery Protection Board monitor protects three cells connected in
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