ATmega328 + OLED 0.96" I2C 128X64 Display Module

Refs:
https://code.google.com/p/u8glib/ https://github.com/olikraus/u8glib/wiki/avr
https://bintray.com/olikraus/u8glib/AVR

compiler flags:

• -ffunction-sections
• -fdata-sections

linker flags:

 -Wl,--gc-sections

Driver IC: SSD1306
SSD1306_I2C_ADDRESS   0x3C

Arduino water pump soil moisture sensor

Reference:
http://playground.arduino.cc/Learning/ArduinoSleepCode
http://donalmorrissey.blogspot.com/2010/04/sleeping-arduino-part-5-wake-up-via.html

Download: soil.ino

ATtiny2313 + DS18B20 temperature sensor

tiny2313_ds18b20.hex