Programmable 2-Axis Touchscreen Tapping Arm

@sajjadtaghvaeifr

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr

@ThynkLoop

Hi, I can help you develop the programmable 2-axis touchscreen tapping arm with accurate motion control, ESP32-based wireless communication, compact mechanical design, and computer-vision-assisted targeting for reliable touchscreen interaction. I have experience with embedded robotics, ESP32 firmware, motor-control systems, low-power wireless communication, CAD-based mechanical design, and computer-vision-guided automation systems. I can deliver a compact and serviceable prototype using widely available components suitable for future replication and iteration. > Proposed Approach: Mechanical & Motion Design * Compact 2-axis robotic arm design * Precision stylus integration for touchscreen tapping * Stable clamp and overhead mounting mechanism * CAD models and mechanical drawings Embedded Electronics & Firmware * ESP32-based controller design * Wi-Fi and Bluetooth communication support * Low-power idle mode implementation * Stepper/servo motor control firmware Computer Vision Integration * Camera-based target detection * X-Y coordinate mapping for dynamic tap adjustment * Real-time vision-assisted tapping workflow Prototype & Documentation * Off-the-shelf components for easy sourcing * PCB/schematic design and BOM * Assembly guide and demo validation support > Deliverables: * 3D CAD and mechanical drawings * ESP32 schematic and PCB files * Embedded firmware source code * Vision software integration * BOM and assembly guide

@Jenil01

Your project combines precision robotics, embedded systems, computer vision, and mechanical design into a compact real world automation platform, exactly the kind of multidisciplinary engineering work I enjoy and specialize in. Please take a look at my portfolio: https://www.freelancer.in/u/Jenil01 I am a Mechatronics Engineer with hands on experience in robotics, ESP32 systems, CAD design, computer vision, and automation, including development of my 8 wheeled autonomous rover (Robofest 3.0 finalist) where I worked on mechanical integration, embedded control, and sensor guided navigation. For your touchscreen tapping robot, I can help with: • Designing a compact 2 DOF robotic arm optimized for ±0.5 mm tapping precision. • Creating the full CAD assembly including adjustable desktop clamp and overhead rotation mount. • Developing the ESP32 based control system with Wi-Fi, Bluetooth, and low power operation modes. • Designing the required PCB and schematic using readily available components and serviceable architecture. • Implementing computer vision integration (OpenCV/ESP32 compatible pipeline) to convert camera feedback into accurate X Y tap coordinates. My design approach focuses on precision, compactness, reliability, and manufacturability, ensuring the system is practical to reproduce and maintain. I’m ready to iterate quickly and collaborate closely until the prototype performs reliably. Best regards, Jenil Dodiya (Robotics Engineer)

@igoichsanp

Hi, Achieving a sustained ±0.5 mm accuracy on a touchscreen using a standard 2-axis swing-arm with budget servos is a mechanical impossibility due to gear backlash. If you want true, repeatable precision, we must discard the swing-arm concept. I am an Embedded Systems and Computer Vision Architect. Here is my blueprint to build this system reliably within your budget: 1. Mechanical Architecture (The Precision Base): > Instead of a flawed robotic arm, I will design a compact 2-Axis Linear Guide (CoreXY style) mechanism. This guarantees sub-millimeter precision. To keep your BOM low, I will utilize standard, easily sourceable 3D printed components and NEMA steppers. 2. The Brain (Custom ESP32): > I will design the schematic and custom PCB around an ESP32 to handle the motor kinematics and G-code translation, paired with a seamless WiFi/Bluetooth interface for coordinate input. 3. Computer Vision & Auto-Calibration: > I will write a Python-based Vision script (utilizing OpenCV/YOLO). This will allow a mounted camera to dynamically map the phone's screen, calculate offsets, and translate visual UI elements into exact X-Y physical coordinates for the stylus to tap. I provide the complete R&D package: the CAD assembly, the ESP32 firmware, custom PCB schematics, and the Vision software. Send me a message. Let's build a machine that actually hits the target in the real world, not just in theory.

@ashinnd84

Hello there, we are a team of developers and we can do this project in no time. Thanks Ashish Kumar.