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+Info on the Tuya
+The chip inside is a Tuya TYWE3S. It replicates the capabilities of an ESP8266 plus some other functionality.
+
+It's similar to the Martin Jerry Dimmer [MJ-SD01](https://github.com/arendst/Sonoff-Tasmota/wiki/Martin-Jerry-MJ-SD01).
+
+Generic (18)
+
+D3 GPIO0 Button1
+D3 GPIO1 Serial Out
+D3 GPIO2
+D3 GPIO3 Serial In
+D3 GPIO4             Relay3i (31)
+D3 GPIO5             Relay2i (30)
+D3 GPIO12 Relay1     Relay1  (29)
+D3 GPIO13 Led1i      Button1 (17)
+D3 GPIO14 Sensor     
+D3 GPIO15
+D3 GPIO16
+
+I hope this can help someone.
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