This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels ...

Regular Hackaday readers are surely familiar with Nixie tubes: the fantastically retro cold cathode display devices that hackers have worked into all manner of devices (especially timepieces) to give ...

Every LED or light-emitting diode requires a driver. This driver is responsible for regulating the power to a LED or strings of LEDs. It converts higher voltage, alternating current to a low voltage, ...