Luckily, [Paul] sent in a great tutorial on building a LiPo charger that works over USB. The board [Paul] came up with is incredibly small – just barely larger than the USB plug itself.

For instance, over on the Hackaday Discord server, someone has built a WUSB3801 circuit which limits a Li-ion charger’s current based on whether the USB-C port connected can provide 3 amps or not.

"Hydraulic Schematics and Basic Circuit Design" provides an overview of basic hydraulic circuit configurations and the standard fluid symbols in fluid schematic diagrams. A hydraulic schematic diagram ...

Purpose. The purpose of a schematic diagram is to make it possible to picture the operation of an entire control circuit for a piece of equipment, so that it will be easy to think in terms of an ...

Block diagrams can be written, usually in boxes, with the headings input, process, and output. When planning how a circuit will function, these headings are then used to plan what the input ...

Turn off Wi-Fi and Bluetooth connections or use airplane mode. Accumulated dirt (like lint) and dust on a charging port affect charging. It disrupts the electrical connection between your phone ...

While we're all guilty of obsessing over fingerprint-free screens and learning how to clean a clear phone case, there's a tiny culprit lurking in the shadows – or rather, in the charging port.

If your phone is taking forever to charge, or if the cord is only connecting in quick bursts, the first DIY fix is to check for a dirty charging port. A recent study showed that 51% of people have ...

The 220W GaN USB-C 7-Port Charging Station is a sleek, all-in-one solution to your charging woes, and right now, it’s just $32.99 (reg. $39) with free shipping. It’s time to say goodbye to ...

Luckily, that’s an easy fix, at least when you’ve got this 7-port charging station, now available for just $32.99 (reg. $39). Instead of relying on your wall outlets for a charge ...

A device that transfers power to smartphones, tablets and myriad portable devices. USB chargers plug into an AC outlet and provide a USB Type A or Type C socket to cable DC power to the device.