seesaw test - I2C to Analog Input / NeoPixel Output
Adafruit seesaw is a near-universal converter framework which allows you to add add and extend hardware support to any I2C-capable microcontroller or microcomputer. Instead of getting separate I2C GPIO expanders, ADCs, PWM drivers, etc, seesaw can be configured to give a wide range of capabilities. And now we've got our seesaw peripheral library ported to Arduino IDE & humming along nicely - here's a demo where we have an I2C controller read a trim potentiometer over I2C, then turn that into NeoPixel brightness settings and pipe out a rainbow demo to a NeoPixel strip over I2C. #adafruit…
The skinny
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