Battery acting weird? How to calibrate your phone and laptop

PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause ...
IEEE

Analog Foreground Calibration of High-Resolution SAR ADC

Abstract: Techniques for the foreground calibration of split capacitor successive approximation register (SAR) are discussed. The used methods of digital calibration requires a digital post-processing ...
IEEE

A System-Level Calibration Method for SINS Based on Observability Analysis

Abstract: In the strapdown inertial navigation system (SINS), which is based on a high-precision rotary table for system-level calibration, the complexity of the transposition scheme and the long ...
Macworld

The iPhone 17e may be Apple’s last chance to save the budget phone

It’s been a mixed year for the iPhone. Overall, the largest jewel in Apple’s product crown remains an industry-shaping juggernaut ($49 billion in revenue for the fourth quarter alone, up 6 percent on ...
CNET

I Bought a Used iPhone 13 Mini and Learned a Hard Lesson

Commentary: The iPhone Air intrigued me but I didn't want to spend $1,000. So I got a $353 used iPhone 13 Mini, and found it quite capable despite a major drawback. Mike Sorrentino is a Senior Editor ...