USB Voltage Converter 5V to 12V

This is a 5Volt to 12Volt DC-DC step-up (boost) converter circuitry with the intention of is especially ideal pro the USB powered applicatio...

Type of USB connectors

USB connector there are only 2 kinds, namely the connector type A and type B connector, as shown below. Type A connector used to connect the...

Properties and USB Capability

Easily connected to the computer because it does not need to open the computer cover. Uniform shape USB connector, there are only two forms ...

USB cable signals

USB cable consists of 4 wires plus a conductor wire wrapping, such as the protectors are usually found in the audio cable. Cable number 1 i...

USB Power Injector

Create USB PowerInjector for GSM Modem Maximizing and stabilization USB voltage . Sometimes we need also to extend the USB cable connection....

USB Soundcard Circuit with PCM2702

Creating a sound card is not more complex problems. If you use Great IC PCM2702 from Burr RED / Texas Instruments you can create a card USB ...

USB Charger For Lithium Ion battery

USB Battery Charger For Lithium Ion battery with the LM3622 is a series of lithium ion battery charger. This charger circuit operates using ...

USB FM transmitter circuit

Here's a simple VHF FM transmitter that could be used to play audio files from an MP3 player or computer on a standard VHF FM radio. The...