Overlay Archive - pi3g.com

Turn off the Adafruit Capacitive Touch PiTFT Plus Display (#2423) on power-off

By Maximilian Batz | 2021-02-19

Using a device tree overlay it is easy to turn off the Adafruit display backlight once the Pi goes into power-off state. Simply add the following line to the end of /boot/config.txt dtoverlay=gpio-poweroff,gpiopin=18,active_low=”y” This will drive this particular pin #18 (which is responsible for the backlight on the Adafruit PiTFT display) low on shutdown, and…

How to bring up the camera and display on a compute module carrier board

By Maximilian Batz | 2020-09-01

We have developed our own Compute Module Carrier Board, called PCCB. It is compatible with Raspberry Pi Compute Modules 1 – 3 Plus, and has a number of very useful features for industrial use (RS232, CAN Bus, RS485, TPM, DC/DC Stepdown). Today, I verified the camera and 7’’ display interface which we provide on the…