SWB1 Smart Power Strip - FengtianGu/Sonoff-Tasmota GitHub Wiki
Product
SWB1 Wi-Fi smart power strip with 4 main ports. Each port can be controlled manually FCCID: 2AJK8-SWB1 This is a new device not using the Tuya PCB but is a esp8266ex based and works great with Tasmota
The product can be purchased on amazon.ca (could be found on other amazon sites)
Inside
Inside PCB
The chip used WT8266-S1. The specs can be found on wireless-tags.com
JTAG
Pins used. You can choose one of 3 GND to your liking. the RESET(RST) pin is also marked for those that use that pin to reset the chip while flashing