Why Touchscreens Require Skin Contact to Respond

Explains resistive vs capacitive touchscreen operation, why resistive needs pressure and capacitive relies on body coupling; effects of gloves and water.

Is Haptic Feedback Useful for Touchscreen Vibration

Analysis of Force Touch and refined haptic feedback: human perception, actuator options (ERM/LRA), and software integration for tactile interfaces and applications.

How License Plate Recognition Works

Overview of license plate recognition: image preprocessing, plate localization, character segmentation and recognition, and applications in traffic management.

Key Technologies in Intelligent Transportation

Overview of intelligent transportation systems and five emerging automotive technologies, including traffic signal recognition, V2V connectivity and autonomous vehicles.

Single-touch and Multi-touch Technologies for Touchscreens

Overview of touchscreen evolution, comparing resistive vs capacitive technologies and explaining full-area multi-touch benefits for OEMs and developers.

Why Capacitive Touch Became Dominant

Analysis of capacitive vs resistive touch: principles, form factors, strengths and weaknesses, and why capacitive touch became the mainstream choice.

Balancing Sensitivity and Noise Immunity in Touch ICs

Analysis of touch IC market and design trends: cost pressures, interference and noise-immunity trade-offs, sensitivity, wearables support and HotKnot interaction.

Apple 3D Touch pressure-sensitive input

Technical overview of Apple 3D Touch features: Peek and Pop previews, app icon quick action menus, keyboard trackpad, multitasking gesture, and pressure-sensitive drawing.

Human-Machine Interfaces Beyond Touch

Technical article about electronics and hardware engineering.

What Determines Smartphone Touchscreen Feel

Analysis of smartphone screen quality and user comfort, focusing on touchscreen responsiveness and linear motor haptic feedback differences across brands and models.

How Multitouch Is Implemented on Smartphones

Technical overview of multitouch technology, covering sensing mechanisms (FTIR, LLP, optical) and implementation trade-offs for gesture recognition and axis-based systems.

Types of Touchscreen Technologies

Technical overview of touchscreen technology, system architecture, and comparison of resistive and capacitive touch sensing methods used in embedded devices.

Why modern touchscreens no longer need calibration

Explains why early resistive touchscreens required user calibration and why modern capacitive touchscreens typically avoid calibration by using capacitance-based position sensing.

Why Samsung Foldable Screens Bubble and Lose Touch

Analysis of the Galaxy Fold display failure: how hinge geometry and support stress flexible display in foldable phones, causing bulging, touch loss, and blanking.

Resistive vs Capacitive Touchscreens: Concepts and Differences

Overview of resistive touchscreen and capacitive touchscreen technologies: operating principles, pros and cons, multi-touch behavior, durability, and input suitability.

Algorithm for Multi-touch on Resistive Touchscreens

Overview of two-point and position-based multi-touch on resistive touchscreens, covering contact resistance, ghost points, false touches, and averaging to improve coordinate accuracy.

Iris Recognition: Principles and System Overview

Technical article about electronics and hardware engineering.

Fixing Capacitive Touchscreen Malfunctions

How capacitive touchscreens work and causes of touchscreen drift (capacitance drift), including contamination, unstable supply, temperature, static, plus troubleshooting steps.

Tablet capacitive touchscreen: G+G vs G+P structure

Comparison of capacitive touchscreen types (G+G vs G+P): differences in hardness, optical transmittance, chemical resistance, touch feel, bonding reliability, and cost.

How Smartphone Touchscreens Work

Overview of resistive and capacitive touchscreens: how capacitive touch detection uses coupling capacitance and ITO sensing layers, plus limitations like wet-screen drift.