AVR butterfly is a cheap LCD development platform for the ATmega169 microcontroller. This board features: LCD-on-Glass display with 120 segments. 4 direction joystick with a push-button. Piezo element as a speaker. 32KHz crystal for real time clock projects. 4Mbit DataFlash memory. RS-232 level converter. NTC thermistor as a temperature sensor. Light dependent resistor as a […]