Here is a simple USB FM transmitter that could be used to play audio files from an MP3 player or computer on a standard VHF FM radio by connecting it to an USB port. The circuit use no coils that have ...

In the first three installments of this series, we discussed whether or not an old transmitter was even worth fixing, followed by some techniques I ve used to repair high-voltage power supplies, ...

One of the easiest, simplest ways to make an FM transmitter is to buy this kit from BuildCircuit. It’s amateur friendly, so anyone should be able to use it. What you need for assembling this ...

Tracking down cable cuts and differentiating them from normal open circuits is critical. Flexibly evolving the circuit design ...

A piezo disk transducer is a handy part for reproducing beeps and boops, and can also function as a rudimentary microphone. Being a piezoelectric element, it can also generate usable power. Enough to ...

Pulse Width Modulation (PWM) or Pulse Duration Modulation (PDM) is a technique of converting analog signals into rectangular waveforms. The width of the waveform varies in proportion with the ...

Alpha and Omega Semiconductor has released the AOZ32034AQV, a new product in the family of coil drivers for wireless charging transmitter circuits of up to 50W Packaged in a thermally enhanced QFN 4 x ...

DALLAS, USA: Texas Instruments (TI) today introduced its next-generation wireless power transfer circuit with foreign object detection that will allow designers to bring to market 3-coil, 5-V and 12-V ...

Expanding its growing portfolio of wireless charging technology for portable electronics, Texas Instruments Incorporated introduced the bq500211, the industry's first wireless power transfer ...