You can fade out and fade in the light of an LED automatically by using Arduino ... If delay() has a low value (for example 50ms or 0.05s) the fading speed will be higher because the Arduino will keep ...

This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...

Why use a bunch of parts when you can use an Arduino ... for example. There’s almost nothing a 555 can’t do. If you want to see what’s under its expressionless face, this teardown is ...

Using and customizing the display is easy, with a specially written Arduino library and a dozen pre-made examples. Maker LED display also has Wi-Fi so it can connect to the internet to retrieve ...

This is a simple project. It uses an Android device to switch an LED driven by the Arduino. Connectivity is provided by the Bluetooth module inserted in the breadboard. But one look at the UI on ...

LED face masks have quickly become the must-have ... In those suffering from melasma, for example, blue light used to treat acne could potentially worsen the appearance of pigmentation.” ...