How to Control Your Light on WiFi Smart Switch and Wall Switch

Smart switch is a very cheap device, only a few dollars. This is a great solution to get started with the smart home.

Smart homes are different for everyone. For some of you who are already smart homes: all devices such as lights, curtains, air conditioners, water heaters, sound systems, cameras, alarm systems... are connected to each other. can communicate with the host and must be able to run automated scripts.

That's what we're aiming for, with a few $ we can also make the home smarter with a lot of automation scenarios.

Warning. If you are not confident in doing what you see, ask a professional to avoid electric shock.

You can use any smart switch. I am using smart switch BlitzWolf BW-SS1 and SONOFF Basic R2.

I recommend you buy the smart switch BlitzWolf BW-SS5 it will solve the limitations of the BlitzWolf BW-SS1 switch that I will talk about later

BlitzWolf BW-SS5
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BlitzWolf BW-SS5

For example, when you come home from work, with just one touch, all lights and water heaters will be turned on (in case your office moving time is not fixed). You can set the system to automatically run at 6 p.m. if you get home at a fixed time.

If your smart switch doesn't have enough power to turn the pump on/off, you can combine the smart switch with a Contactor like this clip.

The head with the mains plug is the power supply for the light bulb. The power supply to the light bulb will have the neutral wire connected in common and the phase wire connected to the switch.

We just need to add a smart switch by: the “L out” output of the smart switch connects to the phase wire of the light bulb on the switch. “N in” is connected to the neutral wire, “L in” is taken from the power supply for the light bulb.

Here I use the smart switch of BlitzWolf with product code BW-SS1. I like using BlitzWolf's devices because this is a big brand, the product quality is good but cheap, and especially it uses the Tuya ecosystem. I have a lot of products in the Tuya ecosystem, so it's more convenient to use an APP like Smart life or Tuya.

The inside of the BlitzWolf BW-SS1 smart switch looks pretty good. I especially like the cord holder of the device, it's big so it's very nice to attach the power cord

You can use any smart switch to counteract the above. SONOFF products are also a good suggestion. The price is also similar to BlitzWolf's product. This is SONOFF Basic R2 next to BlitzWolf BW-SS1

You cannot turn off by wall switch if turned on by APP because current does not flow through wall switch.

You can't turn it off by APP if it's on by wall switch

To solve this problem you can use a more specialized smart switch. Example: BlitzWolf BW-SS5. However, this device will cost 3 times more, if your family has too many devices, it is also a bit expensive.

Which product to choose depends on your needs and economic conditions. Hope you can choose the right product for your needs.

This is inside my power outlet. Good luck. Keep safe