After getting some mini massagers for the fair sex from a discount sale fair, I started thinking about vibration/haptic motor projects again! I’m in the middle of a lot of projects based on small ...

Tiny motors used for haptic feedback and vibration come in a variety of shapes and sizes. The most familiar is the “eccentric rotating mass” (ERM) variety which just spins an imbalanced weight on a ...

I need two buzzers alternating on / off on one pin. Is it possible to get ‘opposite’ transistors in series? One that grounds when the base goes high, one that grounds on low? In that way they can be ...

Force feedback took off in a big way in the late 90s, bringing a sense of realism to flight sticks and racing wheels that hadn’t been there before. Its cheaper haptic cousin was rumble feedback via ...