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Sinotimer Power Monitoring DIN Relay
Model reference: TM608
Sinotimer

Available from:
Banggood.com
Aliexpress.com





Install method:
USB to Serial

GPIO #Component
GPIO00 Button 1
GPIO01 None
GPIO02 None
GPIO03 None
GPIO04 BL0937 CF
GPIO05 HLWBL CF1
GPIO09 None
GPIO10 None
GPIO12 HLWBL SELi
GPIO13 Led_i 1
GPIO14 Relay 1
GPIO15 None
GPIO16 None
GPIO17 None
Template
{"NAME":"TM608","GPIO":[32,0,0,0,2720,2656,0,0,2624,320,224,0,0,0],"FLAG":0,"BASE":18}

This device now comes with a Wi-Fi module incompatible with Tasmota

For more accurate energy consumption measurements this device requires power monitoring calibration.

No success with Tuya-convert. Opens relatively easy. Has a TYWE3S module inside. The TX/RX is unconnected so can easily be flashed via serial connection. Edit 06/09/2021 : bought 6 of those TM608 and got some models with WB3S inside, the swap with a ESP12S Was done successfully. Note its quite tricky to desolder the module withs a soldering iron. with a hot air station its a lot more easy.