Description
Ding dong! The Adafruit PiCowbell DVI Output for Pico is a compact breakout board that enables you to display images and graphics directly from a microcontroller to an HDMI monitor or television via DVI (no audio support).
This DVI output board is the same size and shape as a Raspberry Pi Pico and sockets underneath it for easy integration. Features include a mini HDMI connector, STEMMA QT / Qwiic I2C connector, reset button, and a slide switch for customizable functions.
Key Features:
- Mini HDMI connector for DVI output compatible with standard HDMI displays
- Right angle JST SH connector for I2C (STEMMA QT / Qwiic) providing 3V, GND, and I2C lines with level shifting
- Reset button for restarting your program
- Slide switch on GPIO #3 configurable for various purposes
- Pin breakout for HDMI utility, CEC, and HotPlug signals
- Gold-plated pads and duplicated hole pads for flexible soldering and configuration
In Arduino, Adafruit provides a fork of PicoDVI library supporting 320×240 or 400×240 16-bit pixel framebuffers that output 640×480 or 800×480 pixel-doubled video. This library is compatible with AdafruitGFX for easy graphics programming. CircuitPython also supports DVI output but requires significant memory.
Note: The DVI video generation uses one full core, both RP2040 PIOs, and 150K-190K of SRAM, so system resources are heavily utilized.
Technical Specifications:
- Dimensions: 52.5mm x 20.2mm x 4.9mm (2.1″ x 0.8″ x 0.2″)
- Weight: 4.3 grams
Included: Assembled PCB and header (requires soldering headers yourself).
Multiple header and stacking options available for various applications and form factors.
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