Friday, January 1, 2010

For Sale - Micro FM Transmitter

ForSale

For Sale
( I accept Bitcoins )


Mount Ready for Use
Previous Revision
Micro FM Transmitter:  $30.00 ea


Similar project as seen in previous posts.
  • 0 Available (Now, only custom built)
  • Built and Tested
  • Free shipping in USA
  • Payment via PayPal only 
MFMT  -  PCB is 0.5 x 0.5 inches
  • The current Micro FM Tansmitter (MFMT) circuit is now on a small 0.5 x 0.5 inch circuit PCB, my previous blogged version was on a larger board. Moving the phone jack to the other side of the board allowed the board to shrink. Most parts are 0603 or 0805 SMDs.
Hand Solder and Tested
  • The MFMT uses a single 2N3904. The output can  be heard on a standard FM receiver on 107.5mHz (or near there). The usable range is about 30 feet. The stub antenna is about 1.5 inches long. The 9 Volt Battery clip is included. The phone jack and input circuit accept stereo, but the resulting transmitted signal is mono.
  • The transmitted output power is more than enough to play my Cell Phone tunes on my car radio while driving. 
  • The suggested Male-to-Male Audio Cable (not include) to connect Cell Phone to Transmitter is available at Radio Shack.
Suggested Cable,
Available at Radio Shack
  • My goal was to make the MFMT available as cheap as possible, but without facility for mass production, the first few are being only being sold to for die-hard collectors that can help fund startup.
  • For now I am only making Complete and Tested MFMTs available, kits may be available later.
Inventory to Build

My Warranty
  • This MFMT is being sold from one Hobbyest to Another, and is not suited for any particular; function, use, or purpose, it is being sold AS-IS without warranty, Batteries not included. I will repair or replace defective units for up to 15 days from date of purchase via an RMA number, buyer pays for return shipping.
  • If not satisfied, return the like-new working device within 15 days of purchase, when received I will refund via PayPal the full price minus my initial shipping.
End

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