The multisensor device (U9) on the Nordic Thingy:53™ contains sensors for temperature, humidity, air quality, and air pressure. The multisensor device is connected to the Inter-integrated Circuit (I2C) bus.
The following schematic describes the environmental sensors.
The color sensor (U10) on the Nordic Thingy:53 senses red, green, and blue light. The sensor is located under the RGB LED light guide to direct the light to the sensor. The color sensor is accessed through I2C.
The following schematic describes the color sensor.