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Hardware Twakie Smart Plug

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AshG edited this page Jan 26, 2020 · 2 revisions

I came across this smart plug on amazon UK. They support power monitoring and has 2 USB port with 2.1 Amps each (total 4.2 amps). I bought a couple to test them and they seem to be rebadged sonoff s31 plugs but include Dual USB ports. They use Chipsea CSE7759B chip for power monitoring though , See pictures.

Stock firmware on these devices is 1.1.0 and Firmware ID - PSF-B67-GL.

I tried to flash them using SONota method but failed, I have now managed to flash them now using UART ( I used Raspberry Pi 1 ) with prebuilt Sonoff s31 image from espurna ( espurna-1.14.1-itead-sonoff-s31.bin ) and they seem to be working fine.

The only thing I have noticed is that firmware reports the power monitoring chip as CSE7766 but the actual chip is CSE7759B. However, power monitoring reading seems to be accurate as I compared with the flashed and non-flashed plug on the same circuit.

image::https://user-images.githubusercontent.com/35870635/73137602-d9deb000-4051-11ea-83b5-88a7af09a095.jpg[Image1] image::https://user-images.githubusercontent.com/35870635/73137604-dc410a00-4051-11ea-9eed-b8a5fd87672b.jpg[Image2] image::https://user-images.githubusercontent.com/35870635/73137605-dea36400-4051-11ea-93ce-f00f6a1d1c2e.jpg[Image3] image::https://user-images.githubusercontent.com/35870635/73137606-e105be00-4051-11ea-8472-5309caf408c6.jpg[Image4] image::https://user-images.githubusercontent.com/35870635/73137607-e3681800-4051-11ea-8b13-7b56df90b086.jpg[Image5] image::https://user-images.githubusercontent.com/35870635/73137608-e4994500-4051-11ea-8bbb-d56c30c844d0.jpg[Image6] image::https://user-images.githubusercontent.com/35870635/73137609-e5ca7200-4051-11ea-9707-7b2f6cbea7ea.jpg[Image7] image::https://user-images.githubusercontent.com/35870635/73137610-e6fb9f00-4051-11ea-934b-2f7bfe082271.jpg[Image8] image::https://user-images.githubusercontent.com/35870635/73137611-e8c56280-4051-11ea-892e-d1e9ce59aa77.jpg[Image9] image::https://user-images.githubusercontent.com/35870635/73137612-e9f68f80-4051-11ea-9f35-de675c3c04e3.JPG[Image10] image::https://user-images.githubusercontent.com/35870635/73137613-ebc05300-4051-11ea-8cc9-926d4032f0dd.jpg[Image11]

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