It is a neat and very useful solution for using a VGA screen/monitor with your Raspberry Pi and is far cheaper than an HDMI to VGA adapter or similar. The VGA connection is driven natively in hardware over the GPIO pins (using a parallel interface) and uses around the same CPU load as the HDMI connection on board. It is capable of displaying 1080p60 VGA video with no CPU load. It is also possible to drive this interface at the same time as the HDMI connection, so a dual screen set up is also possible. Please Note. This add on board uses all but 6 of the GPIO pins so it may not be possible to use other add on boards at the same time as the VGA adapter. Feature: Support for Raspberry Pi 3B / 2B / B+ / A+ The VGA output supports resolution:from 640 x 480 up to 1920 x 1024 at 60fps. With 6 bits per channel you have a maximum of 262144 colours. Easy to setup. Easy to configure. Dimension: 64.00mm x 32.3mm Weight: 16.5g Package included: 1 x VGA 666 Adapter Board For Raspberry Pi 3B / Pi 2 / B+ Note:This add on was not possible on the Model A and B pins, because not all of the required pins had been brought out to the GPIO header. How to use: Edit /boot/config.txt file with vim.tiny or other editor. and modify as following: framebuffer_width=800 framebuffer_height=600 dpi_group=2 device_tree=bcm2710-rpi-3-b.dtb dpi_mode=86 dtparam=i2c_arm=off dtparam=spi=off dtparam=uart0=off dtparam=uart1=off dtoverlay=pi3-disable-bt-overlay dtoverlay=vga666 enable_dpi_lcd=1 display_default_lcd=1 force_pwm_open=0 dtparam=audio=on start_x=1 gpu_mem=128 You should disable all of GPIO pin's function so that it can work properly. we strongly recommend that you use 800x600 resolution.
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