You might never expect someone to be watching you through the camera on your smartphone. The reality is, though, it happens more often than you think. It doesn’t matter where you’re at, your iPhone could always be listening or even … Continue reading →

between one to two weeks. A new coil should last between one to two weeks. However, most e-liquids leave a thin film of residue when they are vaporized. How long should Voopoo coils last? While the exact duration may differ … Continue reading →

The VooPoo PnP Tank is a versatile sub-ohm tank compatible with the VooPoo Drag X, VooPoo Drag S and other 510 threaded devices. This sub-ohm tank features a two-part design which allows the PnP Pod Tank to switch between Pod … Continue reading →

Argus Pro – Functions Turn the device on – 5 Clicks of the fire button. Adjust Wattage – Press/hold the + or – buttons. Lock Device – Press and hold the fire button and + button. Reset Puff Counter – … Continue reading →

Why is 5GHz WiFi not showing? A Few Reasons Why 5GHZ Wi-Fi Might Not Show Up Your computer or smartphone may not be compatible with 5GHz networks. Your hardware, including your router, may not be compatible with 5GHz networks. Access … Continue reading →

Motion can be detected by monitoring changes in: Infrared light (passive and active sensors) Visible light (video and camera systems) Radio frequency energy (radar, microwave and tomographic motion detection) How do you detect motion sensors? Multiple methods for motion detection … Continue reading →

How to manually add the Wyze Cam to the Tiny Cam Select “Manage Cameras” Click the (+) sign to add a camera. Select “Add IP camera, NVR, DVR” Change the camera name. Select the “camera brand” Look for the “Wyze … Continue reading →

the Sunvalley Group. RAVPower, a flagship brand under the Sunvalley Group, has come a long way from its humble origins. Beginning as a manufacturer of laptop and cell phone batteries, RAVPower soon diversified their lineup to encompass power banks, car … Continue reading →

If you do fill your battery all the way up, don’t leave the device plugged in. Instead, follow the shallow discharge and recharge cycle we just mentioned. This isn’t a safety issue: Lithium-ion batteries have built-in safeguards designed to stop … Continue reading →

Part 1: Megapixel IP Security Cameras Explained Megapixel Cameras Resolution Pixels 1MP Security Cameras 1280*720 921,600 2 Megapixel Security Cameras 1920*1080 2,073,600 3 Megapixel Security Cameras 2304*1296 2,985,984 4 Megapixel Security Cameras 2560*1440 3,686,400 Is 2MP camera good for CCTV? … Continue reading →

Considerations When Choosing IP Cameras Camera Type: Should the IP camera be fixed, dome, PTZ (pan/tilt/zoom), or wireless? Indoor or Outdoor Environment: Where will the camera be installed? Image Quality: How important is image quality? Resolution: Megapixel IP Cameras provide … Continue reading →

The ordered dithering algorithm renders the image normally, but for each pixel, it offsets its color value with a corresponding value from the threshold map according to its location, causing the pixel’s value to be quantized to a different color … Continue reading →

Magnetic proximity sensors are actuated by the presence of a permanent magnet.The presences of a magnetic field makes the thin plates flex and touch each other causing an electrical contact. The plate’s surface has been treated with a special material … Continue reading →

Flex sensor is used in wide areas of research from computer interfaces, rehabilitation, security systems and even music interfaces. It is also famous among students and Hobbyists. What devices use flex sensors? 4. Other Applications – Flex sensors are common … Continue reading →

between BR1220/CR1220 and BR1225/CR1225 batteries, while 0.4 mm difference between the height of BR1220/CR1220 and BR1216/CR1216 batteries can cause contact issues and unreliable operation. For short, don’t replace BR1220/CR1220 batteries with the similarly sized button/coin cell batteries. Is there an … Continue reading →