This code is for an RFID door lock system using an Arduino. It reads the UID of the RFID card and compares it to a predefined ...

When using PlatformIO and AVR, to support float you must add following line in platformio.ini i2caddr I2C address of the display, can 0x3D (SA0 = VDD) or 0x3C (SA0 = VSS) i2cPort I2C Port, is only ...

These active DisplayPort 2.1b cables only work in one direction — one end for the device, another for the display — but reach up to three times the previous length, unlocking 3-meter ...

That starts with a robust case, but don't forget the screen. After all, its the most fragile part of any phone, and the Gorilla Glass Victus 2 only goes so far. Adding some extra protection is a ...

It’s no secret that Samsung is working on a new type of foldable that packs a much bigger display. This “tri-fold” device is expected to be similar to Huawei’s Mate XT Ultimate ...

Hamza is a certified Technical Support Engineer. The I2C HID driver failure occurs when the system fails to initiate the device, commonly due to a failed request for an HID descriptor. This often ...

Accessory manufacturers go all-out for big releases. Instead of the simple choice between glass, TPU, and plastic for most phones' screen protectors, flagships like the Samsung Galaxy S25 get a ...

Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

One of the changes to this year's Galaxy Ultra is the display - its diagonal now stands at 6.9 inches as opposed to the 6.8 inches of last-year's model. The difference is about as big and ...

Studio Display has an LED-backlit LCD panel. Although the contrast is better than on most LCD monitors, Studio Display doesn’t show real blacks. In fact, it doesn’t support HDR either ...

The IdeaPad Slim 5i sits in the middle of Lenovo's IdeaPad lineup. It trades the plastic chassis you get with the budget IdeaPad Slim 3i series for an all-aluminum design, but one that lacks the ...