You're looking for someone with a proven track record in Arduino programming and handheld software, which is precisely where my expertise lies. My name is Muhammad, and I approach software development with an unwavering commitment to meeting client expectations. My extensive skillset includes C Programming and Software Architecture, which make me exceptionally well-suited for your project.
In addition to my core competencies, I've had rich exposure to working with LCDs and 4x5 keyboards - exactly what you need for this undertaking. To craft the intuitive, user-friendly interface you're asking for, I'll leverage my proficiency in Java and C#, among other languages.
What sets me apart is not only the breadth of my technological acumen but also my ability to dig deep into the nuts and bolts of a project to engineer elegant solutions. This hand-held controller software project would greatly benefit from this approach as it necessitates robustness, efficiency, and functionality. Choose me, and we'll build a tool that not only enhances user experience but also aligns perfectly with your vision. Let's bring your idea to life!