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WS03-Led Controller (from Aliexpress)~

The WS01 LED-Controller uses an ESP8266-S1 Module (16MBit Flash) All required Pins for programming are available, as well as additional GPIO4 and GPIO2.

Outside Images

PCB Image with pinout

GPIO2 & GPIO4 are working for I2C (2=SDA 4=SCL). (Tested with DS3231 Module ) The device uses an additional CD4050 at the pins used for PWM.