This tutorial shows on how you can make your own spy bug that will transmit audio through a FM transmitter that will require a few parts from an electronic supply store and a fair amount of experience ...

With the portable Li-Ion battery powered Stereo FM Transmitter you can transmit audio of any kind. Simply plug your audio source into the 3.5mm audio jack, set the desired frequency, and then tune any ...

When the Regency TR-1 transistor radio came out onto the market in the 1950s, it was hailed as a modern marvel of microelectronics. With only four transistors and a handful of other components, the TR ...

Use the Raspberry Pi as an FM transmitter. Works on every Raspberry Pi board. Just get an FM receiver, connect a 20 - 40 cm plain wire to the Raspberry Pi's GPIO4 (PIN 7 on GPIO header) to act as an ...

Imagine you’ve got an FM transmitter located some place. Wouldn’t it be mighty convenient if you could control that transmitter remotely? That way, you wouldn’t have to physically attend to it every ...

Testing FM receivers is not that much different than testing other pieces of audio equipment. Appropriate tests include the big six: level, frequency response, THD+N, phase, interchannel crosstalk, ...

The SIRIUS Frequency Finder helps you find the best FM frequency to tune your FM transmitter to, whether it's for your satellite radio or your iPod's FM transmitter car kit, by searching an ...

This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1), a preamplifier built around transistor BF200 (T2), a driver built around transistor ...

After plugging an FM transmitter into your auxiliary power outlet (commonly referred to as a cigarette lighter) you'll need to find an unoccupied radio station. Scroll through channels until you find ...

According to the latest build of the iPhone firmware 3.0, the next-gen iPhone – known as iPhone 3.1 in the documentation – will use Broadcom's BCM4329 chipset, bringing with it the potential of ...