DRV2605L based Linear Resonant Actuator (LRA) driver for haptic vibration outputDesigned by Fyber Labs Inc. in United States of America
Update R2.0 is available and has the pin layout reversed from R1.0 to be the same as other Flex Module layouts. Now in easy to buy packs with i2c multiplexing: Checkout the LRA Haptic Pack. What is i…Read More…
R2.0 is available and has the pin layout reversed from R1.0 to be the same as other Flex Module layouts.
Checkout the LRA Haptic Pack.
(This is a replacement for the early DRV2605L Flex Module. We updated the VDD and GND inputs, so that they are reversed and compatible with all other Flex Modules.)
A Flex Module is a tiny breakout board that is both breadboard-able and designed to solder/epoxy to flexible PCB for wearable prototyping. The LRA Haptic Flex Module is based on the DRV2605L Haptic Driver. The design is tiny to fit on the opposite side of a flexible circuit board from the ERM/LRA vibrator with a neoprene pad dampener. The allows for maximum flexibility of the circuit. It could also be attached directly to the motor, though durability would be limited.
This Flex Module will drive both linear resonant actuators (LRAs) and eccentric rotating mass (ERM) motors for haptic vibration. With an LRA, there is over 100 unique effects that can be selected from the internal licensed haptic IP.
This design includes both PWM and audio line input option to drive the motor directly. So audio can be outputted over the motor driven or a microcontroller can drive the LRA by PWM directly.
The DRV2605L has a single i2c address and drives a single motor. To control multiple LRA Haptic Flex Modules on the same i2c bus, please utilize the i2c Switch Flex Module.
Designed, fabricated, and shipped from the US.
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Oscar Javier | July 13, 2015
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