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ProTrinket Fm Transmitter

Using all components from Adafruit, I made an FM transmitter able to cover my whole house streaming internet radio from my RaspberryPi radio

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The project was tricky because at the beginning I used the 3v ProTrinket thinking that since the transmitter nas a 3v regulator it will be a good fit. Unfortunately I was wrong. It did work
But it was unstable and the range was not good around 30 feet. Then I realized that it worked much better with arduino Uno so I switched the trinkets and it's very good now. I use daily to stream internet radio from the Raspperry Pi. The included 500mAh LiPo battery lasts for a whole day of transmitting or maybe longer because I didn't test it longer since I plug it in over night to usb power adapter.
  • 1 × ProTrinket
  • 1 × Adafruit si4713 RDS transmitter
  • 1 × 500mAh LiPo
  • 1 × LiPo charger - trinket backpack
  • 1 × power switch

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