Hacking & Experiments

Turning a dumpster dive 50″ LG LCD TV into a light panel Fun with a spectrometer, and light meter measurements. Also looking at the diffusion and prism layers of typical LCD TV’s. Part 2 HERE LED LCD Panel Teardown VIDEO 3M Brightness Enhancement Films Forum HERE Podcast: Download

What is the difference between LCD viewing angle and bias angle? How does adjusting the LCD bias voltage effect the display? What is LCD Ghosting? Also a demonstration of Photoelastic Birefringence in polycarbonate plastic display covers. Dave investigates the Liquid Crystal Display viewing angle problem in the EEVblog BM235 Multimeter. …

Dave tests the Castle Creations CC BEC Pro battery eliminator used in model airplanes to see if it meets is rated continuous current performance claims. Also a bit of a how-to on testing regulators like this, 4 terminal load sensing error reduction is demonstrated. Airflow and thermal camera measuremements are …

What’s inside the ArmourCard active RFID jammer for NFC contactless credit cards? Does it work? Will it protect you from skimming? Forum HERE Patent HERE Lithium Battery HERE Podcast: Download

Do those RFID shielded wallets and bags actually work to protect your contactless credit cards? Systems like VISA PayWave and Mastercard PayPass. Does aluminium foil work? Dave does some measurements to find out using a H-Field probe TekBox EMC probe set Forum HERE Podcast: Download