Types of Touchscreen Technologies

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

Stretchable Multichannel sEMG Array for Gesture Recognition

Stretchable bipolar sEMG electrode array with onboard Bluetooth and a graph neural network (GNN) using self-attention to classify 18 static and dynamic gestures.

Multimodal e-skin for synchronous tactile sensing

e-skin using stress-field sensing to reconstruct 3D forces and object hardness, enabling modular, curved-surface tactile sensing.

How Face Recognition Works and Its Pros and Cons

Overview of face recognition: detection, feature extraction, template matching and decision logic; discusses accuracy factors, privacy risks, bias, and deployment trade-offs.

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.

Capacitive MCU Touch Sensing Solutions

Overview of capacitive touch implementations on MCUs, comparing CVD, CTMU, dedicated peripherals (SCU, TSI) and software stacks, with tradeoffs in keys, latency, and power.

Face Detection on NXP S32V Vision Platform

Implementation of real-time face detection on the NXP S32V vision platform: IMX224 capture, VSDK ISP flow, NCNN/OpenCV porting and Qt demo for ADAS driver monitoring.

Biometric Information: Basics of Biometric Recognition

Overview of biometric information, common modalities (fingerprint, iris, face, voice), principles and system workflow from data collection to feature extraction and matching.

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.

Iris Recognition: Principles and System Overview

Technical article about electronics and hardware engineering.

Major Face Recognition Methods

Technical overview of regional feature methods in face recognition, comparing geometric features, PCA/eigenfaces, neural networks, elastic graph matching, LHD and SVM.

Face Recognition Access Control: Functions and Benefits

Overview of face recognition access control systems: hardware, management platform, infrared imaging, centralized permissions, and deployment use cases.

Gesture-Based Interfaces Beyond Multi-Touch

Guide to electric-field sensing for touchless 3D gesture recognition using Microchip's MGC3030 (GestIC): sensor design, electrodes, and implementation tips.

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.

What to Do When a Phone Touchscreen Fails in Winter

Practical troubleshooting for capacitive touchscreen unresponsiveness in cold conditions: causes, surface and software checks, and step-by-step fixes before repair.

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.

Face Recognition for Stadium Access Control

Technical overview of a stadium security system integrating face recognition with electronic ticketing for access control, real-time verification and liveness detection.

Face Recognition: How It Works, Pros, Cons, Differences

Technical overview of face recognition: principles of feature extraction and matching, advantages and limitations, and key differences from image recognition.

How License Plate Recognition Works

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

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.