51 lines
1.1 KiB
Markdown
51 lines
1.1 KiB
Markdown
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# N28
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N28 is a ATtiny84 based PCB with a door sensor and a temperature/humidity
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sensor.
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## Overview
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- Role: Door sensor with temp sensor
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- MCU: AtTiny84
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- Connection: RJ45
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- COM: COM2W
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- Predecessor: N21, N16
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- Periphery:
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- door sensor (TCRT1000)
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- TWI interface
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- SI7021 temperature and humidity sensor
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- Apps:
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- NETWORK : Basic network functionality (address setup etc.)
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- REPORTSENSORS: report sensor data from temperature sensor etc.
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- STATS : periodically send stats data
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- DOOR : watch door/window sensor and notify about state changes
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- Values:
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- SI7021_TEMP : temperature
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- SI7021_HUM : humidity
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- DOOR : state of door/window (0=closed, >0=open)
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## Schematic
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## PCB Front
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## PCB Back
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