By Aditya
/
March 10, 2025
We're proud to announce the development of the Wint Anymah flight controller - an ultra-light, compact, and high-performance solution designed specifically for next-generation micro UAVs. This sophisticated flight controller is being entirely designed and manufactured in India, embodying our philosophy of "Making in India, Making for the World."
This blog is the first in a series which logs the development journey of the flight controller, and aims to provide an introduction to the features, scope, timeline and market requirement for such a controller.
The Anymah controller delivers exceptional functionality within dimensions under 31mm×31mm, providing UAV developers with a complete solution for the most space-constrained applications. This compact form factor integrates comprehensive features -
We've made several critical design choices based on real-world operational needs -
Dual IMU Redundancy: The Inertial Measurement Unit is the most critical sensor in flight control. Unlike other sensors, IMU failure is catastrophic, and therefore gets priority in a size-constrainted design.
A barometer or magnetometer failure may reduce altitude precision or slight yaw-drift, but won't cause a crash. IMU failure, however, immediately compromises the control system, leading to loss of the UAV.
This redundancy is particularly vital for operations in populated areas or sensitive zones where failure is not an option.
Micro SD Card vs. Onboard Flash: While seemingly counterintuitive for a size-optimized design, our choice of removable SD storage over integrated flash memory serves two practical purposes -
These design decisions reflect our focus on creating not just a technically advanced flight controller, but one that addresses the practical operational challenges of micro UAV deployments in demanding environments.
The name "Anymah" derives from the Sanskrit term animā - representing the supernatural ability to reduce one's size. This ancient concept, one of the 8 siddhis (supernatural abilities) from Indian philosophy, perfectly encapsulates our design philosophy: exceptional power in minimal space.
In Hindu mythology, this ability was notably utilized by Lord Hanuman during the Ramayana for missions requiring extreme precision and stealth - precisely the qualities our flight controller delivers to micro UAVs.
Beyond technical specifications, this name honors our Indian heritage while signifying our global vision - indigenous technology crafted in India for worldwide deployment.
The Indian UAV market is experiencing remarkable growth, valued at $1.77 billion in 2024 and projected to reach $4 billion by 2033 with a CAGR of 9.5%[1]. While initiatives like Atmanirbhar Bharat and the National Drone Policy are accelerating indigenous drone development, a significant gap remains in specialized flight controllers for micro and nano UAVs.
Critical applications in surveillance, and tactical operations require miniaturized flight controllers that meet stringent performance and certification requirements. Currently, most of these applications rely heavily on imported components, creating vulnerabilities in the supply chain, increasing costs, and complicating compliance with regulations.
While many Indian companies focus on larger Pixhawk-inspired designs for agricultural/industrial applications, the Anymah addresses the unmet need for ultra-compact controllers that meet military-grade specifications. Our solution enables UAV manufacturers to focus on their core applications while reducing dependency on imports - aligning perfectly with India's strategic push for self-reliance in critical aerospace technology.
Rather than rushing to market with an untested design, we're implementing a comprehensive, methodical development process that ensures exceptional reliability and performance. The process is divided into the following broad phases -
In this phase, components are selected to fill the various roles on the flight controller, and an evaluation board/kit is designed to test each component individually. The evaluation boards are meticulously designed, fabricated and assembled right here in India, and allows us to -
In this phase, the evaluation boards/kits designed in the first phase are tested in isolation with software libraries developed in-house. This includes all the sensors MCU, and other peripherals. This allows us to -
Why is unit testing critical?
While it seems faster to immediately design a complete flight controller, experience has taught us otherwise. By individually testing each component on PCBs of our own design, we can quickly isolate unexpected behavior and fix them, which is tremendously faster and cheaper compared to troubleshooting them in a fully integrated system.
In this phase, the units tested (and validated) in the previous phase are put together in a single system, connected using breadboards and wires, to verify integrability and handle edge-cases. This allows us to -
Why can't we go from unit testing to the final design right away?
Integration testing reveals critical interactions between components that aren't visible during unit testing. Problems identified at this stage could require complete redesigns if discovered only after fabricating the final flight controller, and a single testing cycle can save us weeks of waiting for fabrication and significant expense.
In this phase, the final flight controller is designed, fabricated and tested in multiple real-world UAV platforms. The following steps are performed -
In this phase, the finalized design undergoes third-party testing to verify compliance with -
This systematic approach significantly reduces development risks while ensuring the final product meets the exacting standards required for professional applications. Our experience shows that this methodical process ultimately delivers a more reliable product faster and more cost-effectively than attempting to create the final design in a single step.
At Wint, we're developing an indigenous solution that addresses a critical gap in India's aerospace capabilities while setting a global standard for micro UAV flight controllers. The Anymah represents our commitment to pushing the boundaries of what's possible in miniaturized flight control systems while maintaining unwavering standards of quality and reliability.
As we progress through each development phase, we'll continue to share insights and milestones, building credibility and providing transparency into our engineering process. You can contact us at aerowint.com/contact or write to our founders directly at aditya@aerowint.com or milind@aerowint.com.
The future of micro UAVs demands innovative solutions that maximize capabilities while minimizing size and weight. With the Anymah flight controller, we're contributing to India's technological self-reliance while creating a product designed to excel in global markets.