ネコちゃんと暮らし初めて、とにかくご機嫌に遊んで過ごしていただきたいと考えるようになりました。毎日誠心誠意ねこじゃらしを振るのに加え、ご自身でも遊んでいただけるものを捧げたくなり、フルカラーLEDテープを使って、センサーで感知すると光 ...
// - Add 1000 uF CAPACITOR between NeoPixel strip's + and - connections. // - MINIMIZE WIRING LENGTH between microcontroller board and first pixel. // - NeoPixel strip's DATA-IN should pass through a ...
#define qsuba(x, b) ((x>b)?x-b:0) // Analog Unsigned subtraction macro. if result <0, then => 0. By Andrew Tuline. float vImpact0 = sqrt( -2 * GRAVITY * h0 ); // Impact velocity of the ball when it ...
Today, we’re going to explore the uses of addressable LEDs. Addressable LED is an easy way to add complex lighting effects to any project. Each addressable LED has an integrated driver that allows you ...