Displays and User Interfaces

10 Lektionen in dieser Stufe

1. Text on a 16x2 Character LCD with an I2C Backpack
   Drive a character display and manage the 5 V logic it needs. · Lab: Show two lines of sensor data on the LCD through a level converter.
2. Drawing on an SSD1306 OLED with luma.oled and Pillow
   Render text and shapes into an image and push it to the display. · Lab: Draw a frame, a title and a live temperature on the OLED.
3. Fonts, Icons and Layout on Tiny Screens
   Lay out readable screens with TrueType fonts and bitmap icons. · Lab: Design a three-zone screen with an icon, a big value and a status line.
4. Colour Graphics on an SPI TFT
   Drive an ST7789 panel and balance SPI speed against frame rate. · Lab: Display a colour gauge and measure frames per second at two SPI speeds.
5. Low-Power Signage with an E-Paper Display
   Use full and partial refresh and respect refresh limits. · Lab: Show a daily summary that updates every ten minutes and stays visible with power removed.
6. Navigating Menus with a Rotary Encoder
   Read quadrature rotation and a push switch to move through a menu. · Lab: Build a three-item menu on the OLED controlled by RotaryEncoder.
7. Addressable RGB LED Strips Driven over SPI
   Drive WS2812-type LEDs from a Pi 4 or Pi 5 using the SPI data pin. · Lab: Power a 30-LED strip from its own 5 V supply and show a level meter on it.
8. Desktop-Style Interfaces with guizero
   Build a windowed control panel with buttons, sliders and text. · Lab: Make a window with a brightness slider for an LED and a live sensor label.
9. Connecting a DSI Touch Display
   Attach a touch display and set orientation and brightness. · Lab: Connect a DSI display, rotate it for your enclosure and test touch input.
10. Full-Screen Kiosk Mode on Wayland
    Boot straight into one full-screen application with no desktop visible. · Lab: Autostart a browser in kiosk mode showing a local page and hide the cursor.

Abschlussprojekt

A desk dashboard with a menu driven by a rotary encoder, live sensor pages on an OLED or TFT, an e-paper daily summary and a status LED strip.

Teile für diese Stufe

• 1 × Raspberry Pi 5 or Pi 4 set from Level 1
• 1 × Breadboard and jumper wire set
• 1 × 16x2 character LCD with I2C backpack
• 1 × SSD1306 OLED display 0.96 inch I2C
• 1 × ST7789 TFT display 1.3 to 2 inch SPI
• 1 × E-paper display module 2.13 inch SPI
• 1 × Rotary encoder module with push switch
• 1 × Addressable RGB LED strip (WS2812B, 30 LEDs)
• 1 × 5 V 3 A power supply for LED strip
• 1 × Logic level converter
• 1 × DSI touch display 7 inch (optional)

In jeder Lektion legst du die passenden Teile direkt in den Warenkorb. Raspberry Pi →