Interfacing PWM logic sources to battery-powered motor drivers can be a challenge. While an Linear Resonant Actuator (LRA) is driven with an AC bipolar waveform near the LRA's resonant frequency, an ...
Texas Instruments’ Haptic Bluetooth Kit (DRV2605EVM-BT) helps enable designers to prototype eccentric rotating mass (ERM) motor and linear resonant actuator (LRA) haptic affects. Texas Instruments’ ...
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 ...
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