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LED Starry Sky Projector Light
LED Starry Sky Projector Light

Available from:
Amazon.co.uk
Aliexpress.com





Flashed with:
Serial port

GPIO #Component
GPIO00 None
GPIO01 None
GPIO02 None
GPIO03 None
GPIO04 PWM1
GPIO05 None
GPIO09 None
GPIO10 None
GPIO12 PWM2
GPIO13 None
GPIO14 PWM3
GPIO15 None
GPIO16 None
FLAG None

Template

{"NAME":"STAR PROJECTOR","GPIO":[0,0,0,0,37,0,0,0,38,0,39,0,0],"FLAG":0,"BASE":18}

This Star / Moon / Nebula projector appears to be driven by either a TYWE3S or a separate ST microcontroller depending on the position of the ““WiFi <> Touch”” switch.

To flash and use the TYWE3S the switch needs to be on the WiFi setting. Disassembly of the unit is simple. Wires then need to be soldered to the pins on the TYWES3 as per the guidance on the TuyaMCU Devices Page. There’s no need to ground NRST on the ST microcontroller, as the Rx / Tx pins are not connected to it.

The R, G, B components of the Nebula are driven by GPIO’s 4, 12, and 14 respectively. The Star and Moon effects do not seem to be separately controllable from the WiFi chip - they are simply come on and off with the main nebula effect.