- EliteDesk: 240x320 color ST7789 via Pico (Day 32 design)
- Pi: 128x64 mono SSD1306 horizontal bars (Day 85 redesign)
🦊 Built with love by Vixy
68 lines
2.0 KiB
Markdown
68 lines
2.0 KiB
Markdown
# Pi Cluster Display
|
|
|
|
128x64 monochrome OLED status display for Raspberry Pi k3s worker nodes.
|
|
|
|
## Display Layout
|
|
|
|
```
|
|
┌────────────────────────────────────────┐
|
|
│ pi1 ●● 168h● │
|
|
│────────────────────────────────────────│
|
|
│ CPU ████████░░░░░░░░░░░░░░░░░░ 24% │
|
|
│ MEM ██████████████░░░░░░░░░░░░ 45% │
|
|
│ TMP ████████████░░░░░░░░░░░░░░ 52° │
|
|
│────────────────────────────────────────│
|
|
│ ● OK │
|
|
└────────────────────────────────────────┘
|
|
|
|
●● = Both pods running (2/2)
|
|
●○ = One pod down (1/2)
|
|
○○ = Both pods down (0/2)
|
|
|
|
● OK = All metrics healthy
|
|
◐ WARN = CPU>70% or MEM>75% or TEMP>65°C
|
|
○ CRIT = CPU>90% or MEM>90% or TEMP>80°C
|
|
```
|
|
|
|
## Wiring
|
|
|
|
```
|
|
SSD1306 OLED Raspberry Pi
|
|
------------ ------------
|
|
VCC → 3V3 (pin 1)
|
|
GND → GND (pin 6)
|
|
SDA → GPIO2 / SDA (pin 3)
|
|
SCL → GPIO3 / SCL (pin 5)
|
|
```
|
|
|
|
## Quick Install
|
|
|
|
```bash
|
|
sudo ./daemon/install.sh
|
|
```
|
|
|
|
## Manual Install
|
|
|
|
```bash
|
|
# Dependencies
|
|
sudo apt install -y python3-pip python3-pil python3-psutil i2c-tools
|
|
pip3 install luma.oled --break-system-packages
|
|
|
|
# Enable I2C
|
|
sudo raspi-config # Interface Options → I2C → Enable
|
|
|
|
# Test
|
|
i2cdetect -y 1 # Should show 3c or 3d
|
|
|
|
# Run
|
|
python3 daemon/pi_stats_display.py
|
|
```
|
|
|
|
## Thresholds
|
|
|
|
| Metric | Warning | Critical |
|
|
|--------|---------|----------|
|
|
| CPU | 70% | 90% |
|
|
| Memory | 75% | 90% |
|
|
| Temp | 65°C | 80°C |
|