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Make your own remote temperature/humidity sensor

Hardware components:
Atmel atmega 328p-pu
Si7020 a20 i2cs a 1 SI7020-A20 I²C Humidity and Temperature Sensor ±4%RH ±.4°C
433 MHz transmitter / Receiver kit
AMS1117-ADJ voltage regulator
Panasonic eca2am101
Capacitor 100 µF
Kemet c320c104k5r5ta image
Capacitor 100 nF
Mfr 25frf52 1k sml
Resistor 1k ohm
Mfr 25frf52 10k sml
Resistor 10k ohm
09590 01
LED (generic)
Mfr 25fbf52 221r sml
Resistor 221 ohm
UDOO 2AA Battery Holder for RTC
Software apps and online services:
Ide web
Arduino IDE
Hand tools and fabrication machines:
09507 01
Soldering iron (generic)

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