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Posts Tagged ‘FM transmitter’

STM32 FM song transmitter using tricky crystal feedback modulation

Monday, March 14th, 2016

Vinod writes, "This is an FM transmitter directly made from STM32F407 discovery. It transmits the wav file stored in internal flash via FM at 100MHz. The modulation over here is happening by a tricky feedback from the analog output of the same mcu to the crystal oscillator there by disturbing...

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Posted in hacks | 1 Comment »

Mini FM transmitter

Tuesday, July 22nd, 2014

electronics-diy shows you how to easily make a mini FM transmitter: It transmits FM waves so you could easily receive the signals on your mobile phone, radios, etc. As the name and the picture indicates it is very small and is approximately the size of a 9v battery clip. With...

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Posted in DIY, hacks | 1 Comment »

Telephone FM transmiter, AKA phone bug

Thursday, January 5th, 2012

If you ever wondered how those phone bugs from spy movies work, here is the schematic for your very own. This simple FM transmitter uses a phone line to both power the device and receive the audio signal.  Just hook it up to the phone line you want to monitor...

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Posted in DIY | 5 Comments »

iPod FM transmiter

Tuesday, December 6th, 2011

Electronics-DIY has instructions on how to build a simple portable FM transmitter that would allow your iPod to broadcast music over radio waves. It is simple to build and fits into a mouse case. It works quite easy, there is a power switch on the bottom to turn it on...

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Posted in DIY | No Comments »

Stereo FM transmitter

Sunday, December 4th, 2011

Here is a stereo FM transmitter design, based around the BA1404 integrated circuit. If you want to get rid of those pesky audio wires leading from your computer to your amplifier here is a simple circuit that will enable you to do just that. Simply atach the audio-out cables to...

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Posted in project logs | 5 Comments »

Dead bug FM transmitter

Monday, October 11th, 2010

This simple FM transmitter circuit is made from through-hole parts on a scrap of circuit board. A nice example of dead bug prototyping. Did you know NASA has dead bug standards? Via Hack a Day.

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Posted in how-to | 4 Comments »

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