Category Archives: PCA9685

This Barometer Looks Mighty Fine, Rain or Shine

Mythological legend has it that Tempestas, the Roman goddess of storms and sudden weather, saved the consul Scipio when his fleet of ships got caught in a storm off of Corsica. In return, she demanded that a temple be dedicated to her.

[SephenDeVos]’ beautiful barometer, dubbed Tempestas II,  demands nothing …read more

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Posted in arduino, Arduino Hacks, barometer, BMP280, PCA9685, weather display | Leave a comment

Little Lamp To Learn Longer Leaps

Reinforcement learning is a subset of machine learning where the machine is scored on their performance (“evaluation function”). Over the course of a training session, behavior that improved final score is positively reinforced gradually building towards an optimal solution. [Dheera Venkatraman] thought it would be fun to use reinforcement learning …read more

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Posted in bamf, Bay Area Maker Faire 2019, Luxo, luxo jr., machine learning, Maker Faire Bay Area, PCA9685, pixar, pixar lamp, reinforcement learning, Robot Operating System, robots hacks, ros | Leave a comment

A Word Clock, The Hard Way

We’ve all seen word clocks, and they’re great, but there are only so many ways to show the time in words. This word clock with 114 servos is the hard way to do it.

We’re not sure what [Moritz v. Sivers] was aiming for with this projection clock, but he …read more

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Posted in clock hacks, DS3231 RTC, gears, led, nano, neopixel, PCA9685, projection, rack and pinion, servo, word clock, ws2812 | Leave a comment