Improving 3D Recognition with 1D ToF in Smartphones

Technical article about electronics and hardware engineering.

Common Touchscreen Faults and Maintenance

Guide to touchscreen troubleshooting and maintenance for SAW, five-wire resistive and infrared types: causes, calibration steps, LED diagnostics and hardware checks.

Touchscreen Lamination: GFF, OGS, Oncell, Incell

Technical overview of full lamination touchscreen methods, examining touch sensor placement, process flows, and key manufacturing differences for modern displays.

Advantages of Face Recognition vs Fingerprint Recognition

Overview of face recognition systems: biometric image-processing, real-time 3D identification, template storage and access control, with comparison to fingerprint recognition.

Capacitive Touchscreen vs TFT LCD: Key Differences

Explains differences between a capacitive touchscreen and a TFT LCD: the glass touch sensor detects input while the TFT LCD renders images, often stacked in smartphones.

Face Recognition Access Control: Operation and Pros/Cons

Overview of face recognition access control: operation steps, feature extraction and matching, liveness detection, logging, management, and key advantages and limitations.

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.

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.

Accelerating NFC on Operating Systems

Technical overview of NFC integration using single?chip controllers like the PN7150, covering RF performance, embedded NCI firmware, antenna matching, and low?power detection.

Fingerprint Recognition in Smart Door Locks

Overview of fingerprint recognition methods - capacitive, optical, ultrasonic - covering sensing principles, pros/cons, robustness to contamination and anti-spoofing tradeoffs.

Touch Key Design Essentials

Practical capacitive touch PCB design guidelines and AiP8F32XX MCU recommendations: routing, TouchPad sizing, Cadj selection, grounding, and layout tips for engineers.

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.

Why Do Touchscreens Require Skin Contact to Slide

Explains why capacitive touchscreens require skin contact to register swipes, contrasts resistive touchscreens and styluses, and summarizes capacitive coupling principles.

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.

Touch Switch Circuit Using Dual D Flip-Flops

Technical overview of a touch switch circuit using a 4013 dual D flip-flop, covering monostable timing, input protection, relay drive and toggle on/off operation.

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.

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.

Biometric Identification for IoT Dog Management

Analysis of Chongqing dog registration and pet microchip policies, comparing low-frequency RFID and biometric methods for canine identification and traceability.

Gesture Sensing with ams TMG4903 Optical Module

Overview of non-contact gesture recognition for wearables, comparing the ams TMG4903 optical sensing module and a low-cost breakout board for prototyping.

Origins and Future of Touchscreens

Technical overview of touchscreens: history, commercial adoption, material evolution and future trends focused on flexibility, low power displays, and multi-touch interaction.