Capacitive Touchscreen: Principles and Troubleshooting

Technical overview of capacitive touchscreen design, projected capacitive operation, optical artifacts, false touches, and calibration and driver guidance for reliable operation.

Three Under-Display Fingerprint Technologies

Technical overview of under-display fingerprint technologies—optical, ultrasonic, and capacitive—examining principles, trade-offs, production challenges, and market maturity.

Capacitive vs Resistive Touchscreens: Key Differences

Technical comparison of capacitive touchscreens and resistive touchscreens, covering operating principles, mutual/self-capacitance, multi-touch and practical selection criteria.

Capacitive Touch Sensing Using MCU Microcontrollers

Technical overview of touch sensing for microcontrollers, comparing capacitive and resistive interfaces, dedicated touch ICs, and MCU-based implementation trade-offs.

Three Methods for Fingerprint Recognition

Technical overview of under-display fingerprint recognition methods: optical, ultrasonic, and capacitive; compares implementations, production maturity, and development trends.

Resistive vs Capacitive Touchscreens: Key Differences

Comparison of resistive and capacitive touchscreens covering sensitivity, accuracy, durability, cost, multi-touch, and environmental tolerance.

Iris Recognition for Smart Door Locks

Iris recognition for smart locks: technical advances - extended recognition range, self-tracking and dynamic matching - improving security and anti-spoofing.

Awinic Trackpad Pressure and Haptic Solution

Technical summary of pressure-sensitive trackpad and haptic feedback implementation, covering Awinic AW8680X/AW86927 architecture, sensor ADC, motor driver, and HID PTP support.

How Facial Recognition Turnstiles Work

Overview of facial recognition turnstiles for access control and attendance tracking in construction sites and factories, system components, workflows, and configurations.

Face Recognition: Principles and Process

Face recognition primer describing the technical pipeline: image acquisition and detection, data preprocessing, feature extraction, and similarity-based matching.