Tuya-Convert might not be possible for this device if the manufacturer started using newest Tuya firmware since this template was published. Instead you can likely serial flash Tasmota without soldering with a flashing jig, if the device is easily opened.
For more accurate energy consumption measurements this device requires power monitoring calibration.
This is the english version
Para a versão em português (pr-BR) use ESSE LINK
Recently, some smart plugs with the BR plug type started appearing on AliExpress
Usually, these products don’t have a specific model and make, since they are mostly Tuya whitelables. After searching alot, I’ve found Nanxin NX-SM400 which looks like this one.
Since this model working with the Smart Life app, we know it uses a Tuya chip. To flash Tasmota, we need to us tuya-convert. There’s an excellent tutorial (in pt-BR) by Douglas Baptista that you can use.
Go to the device’s IP address >
Configure Other >
Just paste that line and check
To create the template, I had to open the plug up.
If you want to do that, you can use a hot air gun on the bottom part and a flat head screwdriver to force it open. It will probably damage the case a little bit and you will need to glue it shut.
The smart plug uses the
TYWE2S Tuya chip, which is a
The power monitoring chip is the BL0937 It’s pins are connected like this:
|Pin 6 (CF)||GPIO 4|
|Pin 7 (CF1)||GPIO 5|
|Pin 8 (SEL)||GPIO 12|
The switch and LEDs are on another PCB. They are connected like this:
|Red LED||GPIO 14 (Same as Relay)|
|Blue LED||GPIO 13|
|Switch||GPIO 3 (Rx)|
At last, the Relay is connected to the