ebbeffa432
- bitprobe.c: interactive single-bit probe that discovered the display glyph layout and the decimal point / percent sign bit positions - temphummon.c: render top line '188.8°C' and bottom '88.8%' using the verified decimal points (f[4], f[8] bit5) and percent sign (f[10] bit5) - PROJECT_MEMORY.md: document full frame layout + empirical bit map - README: add wiring table and project memory pointer - add Waveshare reference zip and flake.lock
28 lines
1.1 KiB
Markdown
28 lines
1.1 KiB
Markdown
# temphummon
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Temperature and humidity monitor using Matter over Thread.
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Based on the ESP32-H2 and Waveshare Segment E-Paper display.
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## BOM
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| Product | Price | Wiki |
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| ------- | ----- | ---- |
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| [ESP32-H2 Zero](https://www.waveshare.com/esp32-h2-zero.htm?sku=32261) | 3.01 € | [wiki](https://docs.waveshare.com/ESP32-H2-Zero) |
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| [1.9inch Segment E-Paper Module](https://www.waveshare.com/product/displays/e-paper/1.9inch-segment-e-paper-module.htm) | 9.47 € | [wiki](https://www.waveshare.com/wiki/1.9inch_Segment_e-Paper_Module_Manual) |
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Matter over Thread Temperature and humidity monitor
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## Wiring
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| ESP32-H2-Zero | E-Paper Module | Wire color |
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| ------------- | -------------- | ---------- |
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| GPIO4 | SDA | 🟢 Green |
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| GPIO5 | SCL | 🟡 Yellow |
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| GPIO10 | RST | 🟠 Orange |
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| GPIO11 | BUSY | 🔵 Blue |
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| 3V3 | VCC | 🔴 Red |
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| GND | GND | ⚫ Black |
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> 📖 **Project Memory**: See [`PROJECT_MEMORY.md`](PROJECT_MEMORY.md) for environment setup,
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> Nix dev shell usage, build status, hardware details, and next steps.
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