ATTiny85
Several sketches and library files that work with the ATTiny85.
To be used in conjunction with Youtube video #82 https://www.youtube.com/c/RalphBacon
Add this address to File > Preferences > Additional Boards Manager URLs
https://raw.githubusercontent.com/damellis/attiny/ide-1.6.x-boards-manager/package_damellis_attiny_index.json
Other boards can be added too if you want:
https://raw.githubusercontent.com/sparkfun/Arduino_Boards/master/IDE_Board_Manager/package_sparkfun_index.json
http://digistump.com/package_digistump_index.json
http://arduino.esp8266.com/stable/package_esp8266com_index.json
Arduino Playground article on I2C for the ATTiny85 (Master & Slave)
http://playground.arduino.cc/Code/USIi2c
ATTiny85 Spec Sheet
http://www.atmel.com/images/atmel-2586-avr-8-bit-microcontroller-attiny25-attiny45-attiny85_datasheet.pdf
DS18B20 Datasheet (OneWire)
https://datasheets.maximintegrated.com/en/ds/DS18B20.pdf
Arduino/ATTiny85 website (contains RGB LED fader sketch for ATTiny85)
http://attiny85.blogspot.co.uk/2013/05/rgb-tiny-rgb-led-controlled-by-attiny85.html