lastMotionState = motionState; delay(50); // Simple debounce
Compared to older PIR models, the HW-416B is frequently favored for its . While traditional sensors rely on analog circuitry that can be finicky with temperature fluctuations, the HW-416B utilizes a dedicated IC that handles noise filtering internally. Key Specifications at a Glance hw416b pir sensor datasheet better
The HW-416B has two small yellow jumpers and three pins labeled and H . lastMotionState = motionState