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Tessan A4L-BK Power Strip
US
Tessan A4L-BK

Available from:
Amazon.com






Flashed with:
Tuya-Convert

GPIO #Component
GPIO00 None
GPIO01 None
GPIO02 None
GPIO03 Relay4
GPIO04 Relay3
GPIO05 None
GPIO09 None
GPIO10 None
GPIO12 Relay1
GPIO13 None
GPIO14 Relay2
GPIO15 None
GPIO16 None
FLAG None

Template

{"NAME":"TESSAN A4L-BK","GPIO":[0,0,0,24,23,0,0,0,21,0,22,0,0],"FLAG":0,"BASE":18}

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.

I haven’t been able to track down the other functions, if there are any, and haven’t cracked open the case to do any exploration.