This library is designed to work with the TLC5955 LED controller chip from Texas Instruments. It can also be configured to work with many other LED driver chips from the TLC59** family using the ...

This library is to control the I2C PCA9634 PWM extender. The 8 channels are independently configurable in steps of 1/256. This allows for better than 1% fine tuning of the duty-cycle of the PWM signal ...

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More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

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Water You Doing?/Thinking About Blinking Elinor models the foundational practices of science inquiry and engineering design -- including her amazing powers of observation and willingness to ask ...