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Pocket-Sized Open-Source DVB Could Be World’s Smallest Digital Transmitter

By LimeSDR | February 20, 2018

LimeSDR Mini and Raspberry Pi Zero have been used to create an open-source pocket-sized DVB (digital video broadcasting) transmitter, which is believed to be is the world’s smallest.

Developed by Evariste Okcestbon, the open-source prototype streams live images from a Raspberry Pi camera (PiCam) and implements avc2ts, dvb2iq and limetx software to encode and transmit H.264 video on the 1.2 GHz amateur TV band.

The boards are connected via USB, with the Raspberry Pi Zero board measuring 65 x 30 mm and the LimeSDR Mini measuring 69 x 31 mm.

Its signals broadcasted to a receiver based on the Raspberry Pi 2, connected to an RTL SDR stick and HDMI-connected monitor, this time running rtl_sdr, leandvb, kisspectrum, ts2es and hello_video software.


Filed Under: RF

 

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