I2C Pins The 5 pin GPIO connector SDA and SCL pins are the same I2C connections as on the FFC connector to the Raspberry Pi, there is only 1 I2C port. This port is used for touch events and backlight control by the Raspberry Pi GPU driver Controlling the display backlight brightness via the I2C […]
Category: Raspberry Pi 7″ Display
Backlight Control-Software
To Control the backlight of the Raspberry Pi 7-inch touchscreen display Using command line Turn Off Turn On Set Brightness https://github.com/raspberrypi/linux/commit/e9c356a2c18787d356567f24e7879875d7337efc From Windows IoT Seems hit and miss at the moment. Some users report it can be done via the display PCB’s 5 pin connector I2C pins, other users report its buggy, can cause touch […]
Backlight Control-Hardware
We need the screen to remain blank (black) while the RPi boots so the nasty linux scrolling text isn’t seen as it would look awful for the product we’re using it in (it needs to startup with a product splash screen image once the RPi is ready to display it). The backlight on the display […]
.RPi 7″ Display General
Manufacturer Part No: RASPBERRYPI-DISPLAY 7″, 800 x 480 pixels 10-finger capacitive touch Screen Dimensions: 194mm x 110mm x 20mm (including standoffs) Viewable screen size: 155mm x 86mm Documentation https://www.raspberrypi.org/products/raspberry-pi-touch-display/ raspberrypi.org/blog/the-eagerly-awaited-raspberry-pi-display/ element 14 raspberrypi.org Pimoroni FAQ Page