A Raspberry Pi single board computer

Raspberry Pi Power Requirements: What Size Battery Does A Raspberry Pi Need?

The power requirements of a Raspberry Pi computer are dependent on the model and usage. However, you must size your power source to accommodate the Raspberry Pi’s highest possible power usage. Afterwards, you can worry about how long your Raspberry Pi battery will last per charge. The use of a 5 Volt lithium-ion battery pack…

Automotive inverter

Bestek 150W Inverter Review (MRI1511AU)

The Bestek MRI1511AU 150W power inverter is a 12VDC to 120VAC inverter (it takes 12 Volts DC from a battery and outputs 120 Volts AC for devices that require that) for cars (cigarette lighter inverter). It also provides 5V USB outputs to charge phones, tablets, cameras, and similar devices. Accuracy Of Claims: Is This Inverter…

A 120mm LED-backlit PC case fan

Thermaltake Luna 12 Review: A Quiet 120mm Case Fan

The Thermaltake Luna 12 is a 120mm (4.7-inch) axial case fan for PCs. It is twice the size of many of the case fans you’ll see in a typical microATX PC. However, that results in a greater airflow-to-noise ratio (or greater airflow-to-audible noise ratio). At its maximum speed, the Luna 12’s noise level was barely…

A smartphone (Samsung Galaxy A20s)

Got A New Android Phone? Turn On These Crucial Security Settings

If you purchased a new phone with Android 9 (also called Android Pie), you should turn on the following security settings to protect your online privacy and to help reduce the risk of hacking or identity theft. Turn On Auto Factory Reset And Lock Network Settings If you use your phone as much as most…

Oculus VR headset

Facebook Is Building An Operating System

Facebook has tasked developers with the challenge of building their own operating system (OS). The company has been expanding its offerings and building experience outside of its original niche — social networking. One of which is VR — a budding industry that is likely to take off massively in the future as it provides highly…

Samsung Galaxy S8 smartphone

Android Vulnerability Lets Hackers Take Over Your Camera

A security vulnerability in some Android phones allows attackers to access your camera app and invade your privacy (it can even get location data from the photos it takes). The vulnerability uses a loophole in the storage permission to access your camera app (even if you disabled the camera permission). The storage permission is the…

Samsung Galaxy S8 smartphone

Samsung Galaxy S10 Can Be Unlocked With Invalid Fingerprints

The new Samsung Galaxy S10 phone has a faulty fingerprint sensor that approves unregistered fingerprints (meaning a thief can unlock your phone, even if they don’t have your prints). A software update will be released to fix the problem soon. The problem is exacerbated or caused by screen protectors, and users have reported that 3D…