Tablet Airtightness Testing Setup
Guide to tablet airtightness testing of the middle frame: custom fixtures, pressurize to 15 kPa, inject air 5 s, stabilize 15 s, 5 s test; pass if leakage ≤50 Pa.
Consumer Electronics
Asus Tianxuan 5 Pro Review: First i9-14900HX Laptop
Review of the Asus Tianxuan 5 Pro with i9-14900HX and RTX 4060: CPU/GPU benchmarks, cooling performance, 16:10 2560×1600 display, and battery life.
NXP Smart Audio Mobile Audio Solution
Overview of NXP Smart Audio and TFA9887 Smart PA: Class-D amplifier, real-time speaker monitoring, and software tuning to boost micro-speaker output in mobile devices.
Synchronous Boost Power Bank with IC Design and General MCU
Analysis of power bank designs comparing synchronous boost and diode freewheel topologies, evaluating boost converter efficiency, thermal behavior, and HT45F4M MCU.
E-cigarette Design Using CSU8RP3125
Design using Chipsea CSU8RP3125 for e-cigarette: ADC-based battery-voltage monitoring, atomizer overcurrent protection, NMOS control and PWM LED breathing.
Mobile Digital TV Phone Design
DVB-H mobile digital TV handset design using TI DM275: system architecture, SDIO/tuner interfaces, DVB-H receiver, MPEG-2/H.264 decoding and GSM/GPRS integration.
DIY Wireless Power Bank: How to Build One
Technical guide to converting a power bank into a Qi wireless charger: component selection, battery protection, boost converter specs, coil design, and assembly considerations
Portable HMI System Based on STM32
Design of a portable Chinese HMI for total-station measurement using STM32F103 and external SPI Flash to load glyphs, with software-simulated 8080 bus driving a TFT LCD.
iPhone 15 Teardown: Component and PCB Details
iPhone 15 teardown detailing PCB layout and component-level findings: A17 Pro application processor, SDX70M modem, Apple PMICs, power and RF front-end chips.
Xiaomi 14 Pro Teardown: What's Improved over Xiaomi 14
Teardown and hardware analysis of the Xiaomi 14 Pro, covering Dragon Crystal glass display, camera modules, battery, charging and internal PCB layout.
iPhone X Face ID Technology Explained
Analysis of iPhone X's Face ID and 3D vision strategy: TrueDepth hardware, A11 neural engine, fingerprint sensor trade-offs, patents and acquisitions.
Three Emerging Smartphone Technologies
Overview of smartphone sensor advances: spectrometer and high-precision GPS plus wireless gas sensors for on-device chemical analysis, cm-level positioning and hazard mapping.
