The NeTV2 is an open-source HDMI video development board designed as a Raspberry Pi add-on. It enables video overlay on HDMI streams — compositing your own content on top of existing video feeds from devices like media players or set-top boxes — using FPGA-based chroma-key processing.

Designed by "bunnie" Huang's Alphamax, the NeTV2 combines a Linux runtime (via the Raspberry Pi) with FPGA video processing power. The reference firmware runs Webkit on Angstrom Linux with a JavaScript/HTML UI, making application development straightforward. A built-in HTTP API with Bonjour/zeroconf discovery enables easy integration with smartphones, laptops, and other networked devices.

Key Features

• HDMI Video Overlay – Composite web content onto existing HDMI video feeds, including encrypted streams
• FPGA Video Processing – Chroma-key compositing with Xilinx FPGA, reprogrammable via free Webpack tools
• JavaScript/HTML UI – Application development using Webkit on Angstrom Linux
• HTTP API – POST-based remote control with Bonjour/zeroconf discovery
• Raspberry Pi Add-On – Full Linux development environment via the Pi
• Fully Open Source – Open hardware and software stack

Development Options

• UI and application development in JavaScript/HTML (Webkit)
• Remote control via iOS/Android reference apps using HTTP API
• Command-line and kernel development via gcc toolchain
• Verilog/VHDL FPGA development via Xilinx Webpack
• Hardware modification enabled by open-source design files

Operating Modes

• NeTV Classic Mode – Video overlays with support for encrypted HDMI streams
• Libre Mode – Deep video processing on unencrypted feeds

Ideal For

• HDMI video overlay and compositing projects
• FPGA video processing development
• Digital signage and information display
• Open-source hardware experimentation

Package Contents

• 1× NeTV2 PCB development board
• 1× Raspberry Pi 3 B+
• 1× NeTV2 plastic enclosure kit (with M2.5 mounting bosses on 30 mm grid)
• 1× 12 V 1 A wall plug power supply