Alexander
Published © GPL3+

Outdoor thermometer/hygrometer

High accuracy wired outdoor thermometer, hygrometer and barometer.

BeginnerFull instructions provided5 hours671
Outdoor thermometer/hygrometer

Things used in this project

Hardware components

atmega328p-pu
×1
nokia 5110 display
×1
si7021 humidity sensor
×1
bme280
×1
AMS1117-ADJ voltage regulator
×1
Capacitor 1000 µF
Capacitor 1000 µF
×1
Resistor 1k ohm
Resistor 1k ohm
×1
Resistor 10k ohm
Resistor 10k ohm
×1
Capacitor 100 nF
Capacitor 100 nF
×1
2xAA battery holder
×1
Resistor 221 ohm
Resistor 221 ohm
×1
Pushbutton switch 12mm
SparkFun Pushbutton switch 12mm
×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 thermometer schematics

Code

Sketch

Credits

Alexander

Alexander

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