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Broadcasting Analgoue NTSC TV with a $7 ESP8266

February 12, 2016

The ESP8266 is a $7 WiFi module that can be used to give any microcontroller access to a WiFi network. It is designed for creating Internet of Things (IoT) devices and has various features such as it’s ability to host it’s own web applications. The ESP8266 also has a I2C output with DMA support. By hooking up this I2C output pin to a short wire, YouTuber CNLohr has demonstrated that he is able to use the ESP to broadcast full color NTSC TV.  This works in a similar way to how PiTX works, but using the pin to modulate a radio signal. CNLohrs code note only broadcasts color NTSC, but also provides a full web interface for controlling it.

In the first video CNLohr shows off his initial work at getting the NTSC output working and in the second video he shows color working. Later in the second video he also uses an RTL-SDR to check on the NTSC spectrum that is being output.

La suite à lire sur le site de : RTL SDR Broadcasting Analgoue NTSC TV with a ESP8266

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