Build a great sounding FM radio with a cool display using an Arduino Nano and the SparkFun Si4703 FM tuner breakout.
Project tutorial by Patrick Müller
This project is about control of temperature in values of 23 and 25 grades and control for hysteresis using DHT22 and Arduino 101.
Project tutorial by pandhoit
Playing polyphony 'happy birthday' theme on Arduino Nano with three buzzers on a single mini breadboard.
Project tutorial by Liss
I think you've missed the 10K resistor the dht22 needs off your component list.
A lot of duplicated code though. You could use a function, pass in the sensor id, score value and leds to light.
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