or located under the following github pages github.io. Additionally in combination with the technical datasheet of microchip PCF8574-Datasheet. PCF8574_I2C::PCF8574 pcf{0x20, &Wire}; void setup() { ...
Always take precautions as UV radiation can cause sunburn, eye damage and other severe problems. Do not expose yourself to the sun or any other UV source too long. When working with UV light, natural ...