Raspberry Pi 4 Installation Guide

For Raspberry Pi 4 (2GB, 4GB, 8GB) — with optional official 7" touch display

What You Need

ItemRequiredCost
Raspberry Pi 4 (2GB+)✅~$45
MicroSD card (16GB+)✅~$10
Power supply (5V 3A USB-C)✅~$10
Official 7" Touch Display⚠️ Optional~$60
HDMI Touch Monitor⚠️ Alternative~$80+
USB keyboard (for setup)⚠️ Once~$10

Download

The Pi 4 Yocto image is currently building. Once ready, it will be available at:

smartyhome-yocto-v2.0.0-raspberrypi4-64.wic.gz

Flash to SD Card

1. Use Raspberry Pi Imager (Recommended)

Download from raspberrypi.com/software. Select "Use custom image" → choose the .wic.gz file → select SD card → Write.

2. Or use Etcher

Same as x86 — Etcher → select image → select SD card → Flash.

3. Or use dd (Linux/macOS)

gunzip smartyhome-yocto-v2.0.0-raspberrypi4-64.wic.gz
sudo dd if=smartyhome-yocto-v2.0.0-raspberrypi4-64.wic of=/dev/mmcblk0 bs=4M status=progress

Connect Touch Display

Official 7" Touch Display

  1. Connect the DSI ribbon cable from display to Pi
  2. Connect GPIO pins for power (red/black wires)
  3. No drivers needed — works out of the box

HDMI Touch Display

  1. Connect HDMI cable
  2. Connect USB cable for touch input
  3. Touch shows up as standard HID device

First Boot

  1. Insert SD card, connect display, power on
  2. Pi boots directly into SmartyHome OS kiosk mode
  3. Dashboard loads at http://localhost:8000
  4. Follow the setup wizard for WiFi, device name, cloud linking

Wall Mounting