Resources https://www.raspberrypi.org/documentation/configuration/uart.md
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SD Card Sizes For Operating Systems
2019-04-08-raspbian-stretch-lite.img = 1.8GB 2019-04-08-raspbian-stretch.img (desktop but without recommended software) = 3.4GB 2019-06 Windows 10 IoT Core (17763) = 7GB (8GB SD card can be used)
1-Wire interface
The Raspberry Pi has a 1-wire bus which can be enabled on GPIO4.
RPi 7″ Display IO Pins
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 […]
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 […]
Other Cameras
ArduCAM http://www.arducam.com/products/raspberrypi-camera/
Compute Module Design Resources
3rd Party Design Guides https://www.instructables.com/id/Design-Your-Own-Raspberry-Pi-Compute-Module-PCB/
.Compute Module 3+ Overview
Compute Module Versions Compute Module 3+/32GB 32GB Flash memory Compute Module 3+/16GB 16GB Flash memory Compute Module 3+/8GB 8GB Flash memory Compute Module 3+/Lite No eMMC Flash memory – SD card interface brought out to the Module pins so you can wire this up to an eMMC or SD card of your choice Technical Documentation […]
Modify Text File
Remove Text Before Marker From File
Read Text File
Read a text file looking for string located between two text markers