Haptic driver. Technical documentation.

Haptic driver Texas Instruments' DRV2605 device is designed to provide extremely-flexible haptic control of ERM and LRA actuators over a shared I²C-compatible bus. Technical documentation. This control relieves the host processor from ever generating pulse-width modulated (PWM) drive signals, saving The DA7281 haptic driver with multiple I 2 C addresses combines custom drive sequences (on- and off-resonance) at up to 1kHz. The DA7283 drives both ERM and LRA (narrow and wideband) actuators and track resonance up to 300Hz producing DRV2605 Haptic Driver . I found out TI have a wide variety of haptic drivers. 7 or above; Windows based Drivers and OpenHaptics may be found here. This sample demonstrates how to configure a ROM playback event on the DRV2605 and executes playback of a tapping rhythmic pattern. Use this Wireling to create haptic motor vibration effects. Run the . It provides many features, which help eliminate the design complexities of haptic motor control including: • Reduced solution size • High-efficiency output drive The MAX77501 is a high-efficiency controller driver for piezo haptic actuators and is optimized for driving up to 2µF piezo elements. The datasheet is really complicated and the process of designing haptic patterns to be played by the board is not straightforward at all. This control relieves the host processor from ever generating pulse-width modulated (PWM) drive signals, saving both Select from TI's Haptic motor drivers family of devices. This program is free software: you can redistribute it and/or modify. Figure 3 shows a high-level block diagram of a multi-channel haptic system. It provides many features which help eliminate the design complexities of haptic motor control including reduced solution size, high-efficiency output drive, simplified control signaling, quick device startup, and auto-resonance frequency Adafruit Industries, Unique & fun DIY electronics and kits Adafruit DRV2605L Haptic Motor Controller - STEMMA QT / Qwiic : ID 2305 - The DRV2605 from TI is a fancy little motor driver. Download the . It features a piezo-sensing interface that detects pressure on the piezo actuator, plays automatic haptic waveform feedback, and notifies the user. DA7281 offers wideband operation that fully utilizes the capabilities of newer /* Haptic DRV2605 - Haptic Driver for Dialog DRV2605. The internal boost converter raises the supply voltage to 10 V, The haptics API allows for the control of haptic driver devices for the purposes of performing haptic feedback events. It can drive 100 nF actuators with up to 190 V pp waveforms (at 300 Hz) while operating from a 3 V to 5. The input signal can be either differential or single-ended. AW8623X integrates a 3KByte SRAM for user-defined waveforms to achieve a The haptic device drivers for the currently shipping versions of haptic devices to be used with OpenHaptics software are available below for download. The following config. This program is distributed in the hope that it will be useful, • Flexible Haptic/Vibra Driver The DRV2605 is designed to give extremely flexible haptic control of ERM and LRA actuators over a – LRA (Linear Resonance Actuator) shared I2C compatible bus. The DA7280 can drive both ERM and LRA (narrow and wideband) actuators and track resonance up to 300Hz to drive The CS40L26/CS40L26B is the industry’s leading self-contained haptic driver IC that integrates a DSP and Class D digital boost converter to enable advanced closed-loop control of the HV53011 is a high-voltage driver solution for surface haptic applications. Advanced sensor-less velocity control (SVC) provides real-time braking and consistent Texas Instruments' DRV2603 is a haptic driver designed to control Linear Resonant Actuators (LRA) and Eccentric Rotating Mass (ERM) motors. HV53011 is a high-voltage driver solution for surface haptic applications. I2C selectable as PWM, analog, or trigger. Their zero power sensing (ZPS) allows for the replacement of mechanical buttons. The Haptic Control Console software supports the evaluation of our haptic drivers and third-party haptic actuators to develop advanced tactile feedback. 5ms makes the DRV8662 an ideal piezo driver for fast DA7280 is a linear resonant actuator (LRA) and eccentric rotating mass (ERM) haptic driver offering automatic closed-loop LRA resonant frequency tracking. It can drive actuators with up to 190 Vpk-pk waveforms while operating from a 3-5. The kit is intended for applications where the vibration motor needs to be mounted separately from the board. 5 V supply voltage using only 350 mW power and up to 820 nF A3 OUT+ O Positive haptic driver differential output B1 IN/TRIG I Multi-mode Input. During a haptic feedback event the haptic device drives a signal to an actuator. Scroll down until you see Texas Instruments DRV2605L Haptic Drivers are a low-voltage haptic driver that includes a haptic-effect library and provides a closed-loop actuator-control system for high-quality haptic feedback for ERM and LRA. The device has many features that help eliminate the design complexities of haptic motor control including: • Reduced solution size The DA7282 ultra-low power haptic driver, combines custom drive sequences, on- and off-resonance, at up to 1kHz. Memory playback and haptic waveforms real-time streaming modes are supported. The input digital stream is written in the internal Texas Instruments DRV8601 Haptic Driver is a single-supply haptic driver that is optimized to drive a DC motor (Eccentric Rotating Mass or ERM) or a linear vibrator (Linear Resonant Actuator or LRA) using a single-ended PWM input signal. 5 V). It consists of 16 push-pull drivers capable of +/-135V output swing with Return-To-Zero (RTZ) function. Data and configuration parameters are easily The DRV2605 Haptic Driver chip includes a licensed library of over 100 pre-programmed waveforms that generate a variety of effects. 8. A 0. The The BOS0614 is a multi-channel piezo haptic driver based on Boréas’ patented CapDrive TM technology. Our boosted piezo drivers provide the voltage to powerfully drive piezo speakers or haptics elements at the chosen frequency for a variety of load capacitances. DA7282 is a linear resonant actuator (LRA) and eccentric rotating mass (ERM) haptic driver offering automatic closed-loop LRA resonant frequency tracking. Flexible Haptic and Vibration Driver for both ERM The MAX77501 is a high-efficiency controller driver for piezo haptic actuators and is optimized for driving up to 2µF piezo elements. Any technique that Add a kernel device driver API for interacting with haptic driver devices. DA7283 does not require any programming to drive LRA motors within its supported range and will automatically lock to the The DA7280 high-definition (HD) haptic driver combines custom drive sequences, on- and off-resonance, at up to 1kHz. To get started, simply connect an evaluation module (EVM) for a haptic driver to a computer with the Haptic To ensure the appropriate driver for your device, always use the driver your specific notebook OEM supports. (800) 346-6873 The DRV8662 Piezo Haptic Driver is a versatile device capable of driving both high- and low-voltage piezo haptic actuators. Haptic devices are integrated circuits that drive a linear resonant actuator (LRA) when an event occurs to provide the end user haptic feedback. Due to the construction and operating method, LRAs outlast traditional vibration motors several times over and are tuned to operate at frequencies that are optimal for skin contact. 5 V supply voltage. A haptic event can be triggered via GPIO or through a control port. Installing a generic driver from this website may result in the loss of OEM-customized functionality and other issues. The source of the haptic event signal varies depending on the capabilities of the haptic device. Draft PR: #66629. Additionally, a microcontroller that supports I 2 C is required to communicate with the DRV2605L and relay the data to the user by means of vibration. exe file to your computer. The DRV2605L-Q1 device is an automotive haptic driver that includes a haptic-effect library and provides a closed-loop actuator-control system for high-quality tactile feedback for ERM and LRA. TFA9894D Block Diagram TFA9894D Application Diagram The TFA9894D is a high-efficiency 10 V boosted Class-D haptic driver IC with a sophisticated smart haptic and LRA protection algorithm. via using the audio, pwm / analog functions) as The DA728x-EVAL-KIT is designed to evaluate the DA7280x family of high-definition (HD) haptic drivers. The DA7282 drives both ERM and LRA (narrow and wideband) actuators and track resonance up to 300Hz producing highly complex click/vibration touch effects in a wide range of applications. The Texas Instruments DRV8662 supports four GPIO-controlled gains: 28. Introduction. This schema helps improve actuator performance in terms of acceleration consistency, start time, and brake time and is accessible through a shared I 2 C compatible bus or PWM input signal. As an example, when the user strikes a key, a capacitive touch sensor IC detects the action and reports the information to the microprocessor, which instructs the piezo haptic driver to apply the appropriate vibration pattern to the piezo Texas Instruments' haptic driver for ERM and LRA with built-in library and smart-loop architecture. Texas Instruments' haptic driver for ERM and LRA with built-in library and smart-loop architecture. Problem description. Basic I2C Driver for the TI DRV2605 Haptic Driver. If not used, this pin should be connected to GND B2 SDA I/O I2C data B3 GND P Supply ground C1 SCL I I2C clock C3 OUT– O Negative haptic-driver differential output C2 VDD P Supply input (2. 1 or above; Phantom Premium 1. Be warned, this is not a simple chip to work with if you do want to update the memory. The evaluation board is flexible enough to be used as stand-alone or DA7280-A is a linear resonant actuator (LRA) and eccentric rotating mass (ERM) haptic driver offering automatic closed-loop LRA resonant frequency tracking. All these make the AW8623X an ideal candidate for haptic driver. There is also a kit for those The US082-DA7280EVZ evaluation board enables quick prototyping for a custom system design with the DA7280 ultra-low power haptic driver. It provides many features which help eliminate the design complexities of haptic motor control including reduced solution size, high efficiency output drive, closed-loopmotor control, quick device startup, embedded waveform library, and auto AW86927 is a high voltage H-bridge, single chip LRA haptic driver, with F0 detecting and tracking based on BEMF, with a boost converter up to 11V drive voltage inside, supporting real time playback, memory playback, cont DRV2605L Multi-Driver ERM, LRA Haptic Driver Evaluation Kit User’s Guide 1 Introduction The DRV2605L device is a haptic driver designed for linear resonant actuators (LRA) and eccentric rotating mass (ERM) motors. Before The DRV2665 device is a piezo haptic driver with integrated 105-V boost switch, integrated power diode, integrated fully-differential amplifier, and integrated digital front end. The feature guarantees consistency across LRA production tolerances, operating temperature, aging, and mechanical coupling. 5, 1. No results found. ori topic name : /haptic/ori The DRV2605 is a haptic driver designed for Linear Resonant Actuators (LRA) and Eccentric Rotating Mass (ERM) motors. An Overview of Vibration/Haptic Motors. 5” capacitive touch Products Piezo drivers DRV2667 — Haptic driver for piezo with integrated 105-V boost converter, waveform memory & DAC Haptic motor drivers DRV2510-Q1 — Automotive 3A haptic driver for solenoids with integrated diagnostics and load-dump protection DRV2511-Q1 — Automotive 8A haptic driver for solenoids with integrated fault-protection DRV2604 — Haptic driver for HAPTIC_ENABLE = yes HAPTIC_DRIVER = drv2605l # or HAPTIC_DRIVER = solenoid. Piezo haptic buttons, supported by the device, improve on older haptic Arduino library support for the SparkFun Qwiic Haptic Driver to control Dialog Semiconductor's DA7280 motor driver IC and the built-in LRA vibration motor via I2C. The BOS1921 differential driver achieves low distortion waveforms and quiet actuator operation. The Haptic System. Boreas Technologies BOS0614 four-channel piezo haptic drivers are based on patented CapDrive™ technology, capable of driving up to four 60 V piezo actuators. The Qwiic Haptic Driver includes an itty-bitty, Linear Resonant Actuator (LRA) vibration motor and Dialog Semiconductor's DA7280 motor driver IC for applications that require haptic feedback. 1-µF The Boréas Technologies BOS1211 CapDrive piezo haptic driver, now available at Mouser, is designed to drive TDK's PowerHap 120V piezo actuators or similar loads with up to 120V HD haptic low-distortion waveforms. 5/6DOF or 1. The digital interface of the DRV2667 device Arduino DRV 2667 Haptic Piezo Driver Control: During a project I was working on for my Masters at the RCA - Innovation Design Engineering, I was looking for a way to control Piezo transducers to create advanced haptic feedback and effects. This versatile device is capable of driving both high-voltage and low-voltage piezo haptic actuators. A typical start-up time of 1. It provides many features which help eliminate the design complexities of sensing capabilities allowing haptic feedback to be automatically played when detection conditions are met. h settings are available for all types of haptic feedback: Settings Default Description; HAPTIC_ENABLE_PIN: Not defined: Configures a pin to enable a boost converter for some haptic solution, often used with solenoid drivers. Mouser offers inventory, pricing, & datasheets for Haptic Drivers Power Management ICs. The input signal can be driven as haptic packets over the I 2C port or through the analog inputs. The board provides a standard Pmod™ Type 6A (extended I 2 C) connection for the on-board Typical piezo haptic driver waveform. 5 High Force, 1. All settings are adjustable through the digital front end to reduce the BOM. The 10 kSPS sensing interface supports custom haptic feedback, while four GPIOs trigger low-latency responses, Add a kernel device driver API for interacting with haptic driver devices. AW8623X is a low cost H-bridge, single chip LRA haptic driver, with F0 detecting and tracking based on BEMF, supporting real time playback, memory playback, Cont playback, and hardware pin trigged playback with fast start up time. Type Title Date * Data sheet: DRV2700 Industrial Piezo Driver With Integrated Boost Converter DRV2605L Multiple ERM, LRA Haptic Driver Kit 1 Introduction The DRV2605L device is a haptic driver designed for linear resonant actuators (LRA) and eccentric rotating mass (ERM) motors. View all 7. Normally one would just turn those kinds of Texas Instruments' DRV2603 is a haptic driver designed to control Linear Resonant Actuators (LRA) and Eccentric Rotating Mass (ERM) motors. Mem-ory playback and haptic waveforms real-time streaming A3 OUT+ O Positive haptic driver differential output B1 IN/TRIG I Multi-mode Input. The DA7280-A can drive both ERM and LRA (narrow and wideband) actuators and track resonance up to 300Hz to drive the most complex click/vibration touch effects in a wide range of applications. Find parameters, ordering and quality information. Renesas' DA728x family High-Definition (HD) Haptic Driver provides drive capability at up to 1kHz to cover the broad range of human touch sensitivity. Some examples of haptic signal sources are analog signals, Products Piezo drivers DRV2667 — Haptic driver for piezo with integrated 105-V boost converter, waveform memory & DAC Haptic motor drivers DRV2510-Q1 — Automotive 3A haptic driver for solenoids with integrated diagnostics and load-dump protection DRV2511-Q1 — Automotive 8A haptic driver for solenoids with integrated fault-protection DRV2604 — Haptic driver for haptic drivers, automotive manufacturers can reduce driver distraction and increase confidence within the vehicle by adding clear and fast response from the capacitive touch elements in their infotainment center console. Haptic motor drivers parameters, data sheets, and design resources. DA7282 offers wideband operation that fully utilizes the capabilities of newer The Qwiic Haptic Motor Driver Kit includes an itty-bitty, Linear Resonant Actuator (LRA) vibration motor, wires, and the breakout board for Dialog Semiconductor's DA7280 motor driver IC for applications that require haptic feedback. The output stage of the DRV2511-Q1 device consists of a full H-bridge capable of delivering 8 A of peak current. Currently only supports Open-Loop ERM operation using internal Immersion TouchSense 2200 software/library, although user can use the Read/Write Byte methods to Texas Instruments DRV8601 Haptic Driver is a single-supply haptic driver that is optimized to drive a DC motor (Eccentric Rotating Mass or ERM) or a linear vibrator (Linear Resonant Actuator or LRA) using a single-ended PWM input signal. The DRV2667 device is a piezo haptic driver with integrated 105-V boost switch, integrated power diode, integrated fully-differential amplifier, and integrated digital front end capable of driving both high-voltage and low-voltage piezo haptic actuators. star =Top documentation for this product selected by TI. pos topic name : /haptic/position type : geometry_msgs::Vector3Stamped. Select the appropriate file from the tables below and then follow these steps: Remove the previously installed Phantom Device Driver or Geomagic Touch Device Driver from Control Panel, if any. The DA7280 can drive both ERM and LRA (narrow and wideband) actuators and track resonance up to 300Hz to drive The build in haptic patterns might be suitable for most people, so they won't need to update the memory on the haptic driver. One of the following supported 3D Systems haptic devices and drivers: Touch or Touch X (HID, USB, or LAN devices) Touch Device Driver 2022. The BOS1211 features a piezo sensing interface that detects pressure on the piezo actuator, plays automatic haptic waveform feedback, and For example, the BOS1901 Piezo Haptic Driver from Boréas Technologies is a single-chip piezo-actuator driver with high-efficiency energy recovery based on their patented CapDrive™ technology. Select from TI's Haptic motor drivers family of devices. It can deliver up to 5. publisher. it under the terms of the GNU General Public License as published by. Please clear your search and try again. FourSemi has diversified product forms and strong technical strength. This program is distributed in the hope that it will be useful, The DRV2511-Q1 device is a high current haptic driver specifically designed for inductive loads, such as solenoids and voice coils. The ProDK Development Kit allows functional verification of the DA1469x family of devices. It supports directly driving ECM (eccentric rotating mass) and LRA (linear resonant actuator) type haptic motors. 0 V. 5 to 5. The feature guarantees consistency DA7283 is a linear resonant actuator (LRA) haptic driver offering automatic closed-loop LRA resonant frequency tracking. Its products cover Car Audio Amplifier, Mid/High Power Audio Amplifier, Smart Audio Amplifier, SPC Audio Amplifier, Haptic Driver, Power Management, etc. This kit is intended for applications where the vibration motor needs to be mounted separately from the board. The board is powered and controlled from the onboard USB circuitry and consists of a DA728x motherboard, DA7280 daughtercard, DA7281 daughtercard, DA7282 daughtercard, and DA7283 daughtercard. Demonstrations from TI Haptic Touch Pad and Touch Screen • TI DRV8662 • Provides forceful haptic feedback by using a piezo actuator • 3. Get compelling, reliable vibration feedback anywhere in the car with our AEC-Q100 automotive-qualified solenoid haptic drivers. The DRV8601 is a single-supply haptic driver that is optimized to drive a DC motor (also known as Eccentric Rotating Mass or ERM in haptics terminology) or a linear vibrator (also known as Linear Resonant Actuator or LRA in haptics terminology) using a single-ended PWM input signal. g. The piezo haptic driver is designed to drive TDK's PowerHap 120V piezo actuators or similar loads with up to 120V HD haptic low-distortion waveforms. By using this code, you can publish the position & orientaton data and you can subscribe the force data. In this session I will provide a snapshot overview of vibration/haptic motors and then I’ll explore a simple method used to drive then, so you can apply it to your own devices. It can generate a single-ended haptic waveform of up to 110VPK-PK amplitude from a 2. Connecting the ProDK to the host PC . Browse source code on GitHub Overview . The DA7280-A high-definition (HD) haptic driver combines custom drive sequences, on- and off-resonance, at up to 1kHz. With a fast turn-on time of 100µs, the DRV8601 is an excellent haptic driver for use in mobile phones and other portable electronic devices. 8dB, 34. T 5. DRV8662 ACTIVE Haptic driver for piezo with integrated 105-V boost converter in QFN package Pin-to-pin replaceable. The DA7281 drives both ERM and LRA (narrow and wideband) actuators and tracks resonance up to 300Hz to provide highly complex click/vibration touch effects in a wide range of applications. 5V input power supply or a single cell Li+ battery. Contribute to awinic-driver/aw8624 development by creating an account on GitHub. Rather than controlling a stepper motor or DC motor, its designed specifically for controlling haptic motors - buzzers and vibration motors. The DRV2603 is designed for low latency, high efficiency, and more drive strength for actuators commonly used for tactile feedback in the portable market. 6 W (AVG) output power to an 8 Ohm LRA, at a battery supply voltage of 4. It provides many features which help eliminate the design complexities of haptic Actuator drivers. Let’s brush up our knowledge on vibration/haptic motors and related driver circuits. Its Zero Power Sensing (ZPS) capabilities enables the replacement of The haptic device drivers for the currently shipping versions of haptic devices to be used with OpenHaptics and modeling software are available below for download. It can generate a single-ended haptic waveform of up to 110V PK-PK amplitude from a 2. DA7280 offers wideband operation that fully utilizes the capabilities of newer The Haptic Control Console software is an evaluation and development suite for TI's haptic drivers. The DRV2605 from TI is a fancy little motor driver. Get Started With the Haptic Motor Driver Guide. Each output driver is capable of sourcing and sinking at The DRV2603 is a haptic driver designed specifically to solve common obstacles in driving both Linear Resonance Actuator (LRA) and Eccentric Rotating Mass (ERM) haptic elements. Normally one would just turn those kinds of motors on The SparkFun Haptic Motor Driver breakout board features six pins to provide power to the sensor and I 2 C bus. This schema helps improve actuator performance in terms of acceleration consistency, start time, and brake time and is accessible through a shared I 2 C The DRV2605 haptic motor driver component allows the user to configure and play custom or preconfigured haptic feedback sequences via a serial interface such as I2C. 1-µF . exe DRV2605L ERM and LRA Haptic Driver Evaluation Kit The DRV2605L is a haptic driver designed for linear resonant actuators (LRA) and eccentric rotating mass (ERM) motors. the Free Software Foundation, either version 3 of the License, or (at your option) any later version. It supports connecting external hardware by exporting DA1469x pins to standard headers and enables the user to do precise power measurements through the integrated power measurements circuitry. First off note that haptics is a very large field. Select the appropriate file from the table and then follow these steps: Remove the previously installed haptic device driver from Control Panel, if any. - sparkfun/SparkFun_Qwiic_Hap /* Haptic DRV2605 - Haptic Driver for Dialog DRV2605. exe file as administrator. 8V to 5. Please be aware that you aw8624 haptic driver. 8dB, 38. parametric-filter Actuator drivers; parametric-filter Brushed DC (BDC) motor drivers; parametric-filter Brushless DC (BLDC) motor drivers; parametric-filter Gallium nitride (GaN) intelligent power modules (IPMs) parametric-filter Half-bridge drivers; parametric-filter Isolated gate drivers; parametric-filter Low-side drivers The SparkFun Qwiic Haptic Driver includes an itty-bitty, Linear Resonant Actuator (LRA) vibration motor and Dialog Semiconductor's DA7280 motor driver IC for applications that require haptic feedback. DA7281 is a linear resonant actuator (LRA) and eccentric rotating mass (ERM) haptic driver offering automatic closed-loop LRA resonant frequency tracking. It also supports fully custom waveforms (e. The device has many features that help eliminate the design complexities of haptic motor control including: • Reduced solution size • High-efficiency output The DRV8662 is a single-chip piezo haptic driver with integrated 105 V boost switch, integrated power diode, and integrated fully-differential amplifier. BOS1901 Piezo Haptic Driver Product Description 190 V pk-pk Piezo Haptic Driver Powered by CapDrive TM The BOS1901 is a single-chip piezo actuator driver with energy recovery, based on our patented CapDrive™ technology. This versatile device supports HD haptics through the I2C port or through the analog inputs. 4dB, and 40. Piezo elements are versatile materials, capable of reproducing audio signals at loud volume levels as well as low-frequency haptic vibration effects. TI’s DRV2605 is a Haptic driver for ERM/LRA with waveform library & auto-resonance tracking. Each output driver is capable of sourcing and sinking at The CS40L26/CS40L26B is the industry’s leading self-contained haptic driver IC that integrates a DSP and Class D digital boost converter to enable advanced closed-loop control of the actuator, HD enabled haptics and audio generated haptics for use in smartphones, tablets and wearables. 4. And there are rqt_pub which i use it to get the graph of force simultaneously. You design snippets that are Haptic Drivers . Haptic Drivers Power Management ICs are available at Mouser Electronics. 7dB. The DA7283 ultra-low power haptic driver, combines custom drive sequences, on- and off-resonance, at up to 1kHz. Performance parameters of FourSemi products are comparable to domestic and foreign first-line IC companies. 1. 5HF/6DOF (Parallel port only) Phantom Device Driver 5. It can drive up to four piezo actuators simultaneously at 60 V. With a fast turn-on time of 100 µs, the DRV8601 is an excellent haptic driver for use in mobile phones The DRV8662 is a single-chip piezo haptic driver with integrated 105 V boost switch, integrated power diode, and integrated fully-differential amplifier. cd catkin_ws/ catkin_make rosrun haptic_ros_driver haptic_ros_driver 2. Please be aware that you will need to manually solder the wires DRV2624 ERM, LRA haptic driver evaluation kit User's Guide SLOU435B–December 2015–Revised February 2019 DRV2624 ERM, LRA haptic driver evaluation kit The DRV2624 is a haptic driver designed for Linear Resonant Actuators (LRA) and Eccentric Rotating Mass (ERM) motors. This relieves the host – ERM (Eccentric Rotating Mass) processor from ever generating pulse-width • I2C Controlled Digital Playback Engine modulated (PWM) drive signals, saving both costly DRV2604L ERM, LRA Haptic Driver Evaluation Kit The DRV2604L is a haptic driver designed for Linear Resonant Actuators (LRA) and Eccentric Rotating Mass (ERM) motors. The DA7280 high-definition (HD) haptic driver combines custom drive sequences, on- and off-resonance, at up to 1kHz. effa ahs nwssaa kqar vjias tuxeg fzif ablmr cnvrgyf wkejc