1. Htu21dThis is an Arduino library for HTU21D, Si7021 and SHT21 Digital Humidity & Temperature Sensor
2. Arduino Deep SleepAn example of proper and most advanced way to put ANY AVR Arduino boards in to sleep
3. AHT10This is an Arduino library for Aosong ASAIR AHT10, AHT15 Digital Humidity & Temperature Sensor
4. MAX31855Arduino library for 14-bit MAX31855 K-thermocouple to digital converter
5. HCSR04Arduino library for HC-SR04, HC-SRF05, DYP-ME007, BLJ-ME007Y, JSN-SR04T ultrasonic ranging sensor
6. RotaryEncoderThis is small and fast Arduino library for Rotary Encoder with interrupts.
7. LiquidCrystal I2CThis is an Arduino library for HD44780 LCD display, operated in 4 bit mode over I2C bus with 8-bit I/O expander PCF8574