To add our USB power port, we'll steal some DC voltage from the clock. We are going to run power through a LM 7805 voltage regulator to take it down to 5 volts. Adding a 220uF capacitor between the ...

Whether you're going truck bed camping or heading to the mountains for stargazing, one of the most essential requirements is lighting. Since you may not have access to electricity at remote locations, ...

We may receive a commission on purchases made from links. If you're only using your laptop's USB ports to plug in your charger and mouse, then you're missing out. Those little ports can do a lot more ...