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Alexander
Published © MIT

ATtiny85 Based Weather Sensor

Wireless temperature and humidity sensor based on ATtiny85 and using Oregon v2.1 protocol.

BeginnerFull instructions provided2 hours2,611
ATtiny85 Based Weather Sensor

Things used in this project

Hardware components

ATtiny85
Microchip ATtiny85
×1
SparkFun Humidity and Temperature Sensor Breakout - Si7021
SparkFun Humidity and Temperature Sensor Breakout - Si7021
×1
wireless 433MHZ transeiver
×1
3.3k resistor
×2
Resistor 10k ohm
Resistor 10k ohm
×1
Resistor 100 ohm
Resistor 100 ohm
×1
LED (generic)
LED (generic)
×1
battery case
×1

Software apps and online services

Arduino IDE
Arduino IDE

Hand tools and fabrication machines

Soldering iron (generic)
Soldering iron (generic)

Story

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Schematics

The schematics

Eagle schematics

Code

The sketch

Credits

Alexander
32 projects • 299 followers
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