![HowTo: Node Red - Switch the Raspberry Pi screen on and off - Nerdiy.de - Nerdy DIY HowTo's about electronic, 3D-printing and more. HowTo: Node Red - Switch the Raspberry Pi screen on and off - Nerdiy.de - Nerdy DIY HowTo's about electronic, 3D-printing and more.](https://i0.wp.com/nerdiy.de/wp-content/uploads/2021/02/www.nerdiy.de-howto-nodered-raspberrypi-bildschirm-ein-und-ausschalten-chrome-rpwvjefddc.jpg?ssl=1)
HowTo: Node Red - Switch the Raspberry Pi screen on and off - Nerdiy.de - Nerdy DIY HowTo's about electronic, 3D-printing and more.
![Aquarium Controller - Raspberry PI 4B Node-RED, Atlas-Scientific i2c Devices, NCD i2c Relay Board - Share Your Projects - Node-RED Forum Aquarium Controller - Raspberry PI 4B Node-RED, Atlas-Scientific i2c Devices, NCD i2c Relay Board - Share Your Projects - Node-RED Forum](https://aws1.discourse-cdn.com/business6/uploads/nodered/optimized/3X/a/1/a18fe90411a722d959d8422cddace1c2bc572ff2_2_690x388.png)
Aquarium Controller - Raspberry PI 4B Node-RED, Atlas-Scientific i2c Devices, NCD i2c Relay Board - Share Your Projects - Node-RED Forum
![GitHub - MatsA/NR-Rpi-control: With Node-Red check the Raspberry Pi status and control a cooling fan GitHub - MatsA/NR-Rpi-control: With Node-Red check the Raspberry Pi status and control a cooling fan](https://user-images.githubusercontent.com/16189982/60792357-d80cd800-a165-11e9-8b22-ee9b451782a8.png)