This is a simple blinking led circuit powered from 220V that can be used to mark special places or as voltage indicator. The voltage from the mains charges the capacitor through R1 resistor and D1 ...

A blinking red light on your AT&T broadband equipment usually indicates a problem with your internet connection. If you’re having problems with your modem, you can try these troubleshooting tips: 1.

When you show up at a party wearing this bare PCB watch, there are effectively two possible reactions you might receive from the other people there. Either they are going to snicker at the nerd who… ...