Hargrave Technologies stands as a premier Australian engineering firm focused on power electronics, dedicated to the design and production of NDAA-compliant electronic speed controllers (ESCs) crucial for operating brushless electric motors across diverse power sources.
With over ten years of expertise in the aerospace and defense industries,our drone ESCs are vital for powering brushless electric motors in various platforms,including multirotor,fixed-wing,and VTOL drones.hargrave Technologies’ ESCs are utilized in more than 50 nations and have been integrated into over 10,000 aircraft.
Our products have been instrumental in achieving success for clients across a multitude of missions and applications.
Our key achievements include:
- Delivering outstanding performance and dependability
- Receiving accolades for our leading ESCs in both commercial and defense aerospace sectors
- Providing innovative solutions for the automotive and space industries
Our ready-to-use solutions cater to a wide array of immediate needs,designed and manufactured entirely in-house at our Australian facilities,ensuring complete control over the entire lifecycle for optimal quality.
Our expert engineering team excels in creating customized designs or variants tailored to meet the specific requirements of our clients. From electronics to software,we can implement tailored solutions in a matter of weeks rather than months.
Discover more: Drone Motor Controllers >
Innovative Technology
Central to our technology is GateKEEPER, a cohesive platform that supports the next generation of drone motor controllers.
Notable features include:
- Proven motor control architecture with advanced proprietary algorithms, merging the low-speed efficiency of FOC with the high-speed capabilities of trapezoidal drive
- Robust performance and reliability synonymous with Hargrave Technologies across any integrated inverter
- Custom controllers can now be derived from the same flight-tested platform as our commercial off-the-shelf (COTS) products
- Supports a new generation of wide bandgap semiconductor technologies, including Silicon Carbide and Gallium Nitride
- Compatible with any flight controller that supports DroneCAN, PWM, or Dshot
Drone Motor Controllers & ESCs
microDRIVE LP
Compact, lightweight, and IP67-rated ESC for drone motor control
microDRIVE LP is our most compact and lightweight drone motor controller, meticulously designed around the DroneCAN specification for seamless integration into UAV platforms and large-scale deployment. This versatile ESC allows users to select between our innovative high-efficiency FOCAL or rapid-response trapezoidal drive algorithms, enabling customization to meet specific requirements.
Users can configure over 60 parameters and update firmware directly from the flight computer. Real-time telemetry enables monitoring and capturing critical data such as current, voltage, and RPM, ensuring potential issues are identified before they escalate.The microDRIVE LP also features advanced capabilities including error-correcting memory, onboard diagnostics, and high-speed circular data logging with storage for up to 72 hours.
this robust motor controller is IP67-rated for operation in challenging environments and can be provided as a fully NDAA-compliant product for U.S.government and defense applications.
For more details: microDRIVE LP compact IP67-rated ESC
Custom Drone Motor control & Power Solutions
Beyond our standard offerings, we provide comprehensive consultancy for electronics projects, encompassing the entire lifecycle from requirements specification to prototyping, testing, manufacturing, and certification.
Our expertise extends beyond motor control systems; we also develop tailored solutions for demanding powertrain applications, battery management, DC-DC conversion, and solar maximum power point tracking.
If you have a unique project that requires specialized expertise,please reach out to discover how we can assist.






