The build uses a Freeduino paired with an external GSM modem for communication and an LCD to display current ... [kohleick] connected two temperature sensors: one directly to the Freeduino ...

To link a standard 16×2 LCD directly with the microcontroller, for instance Arduino, you would need atleast 6 I/O pins to talk to the LCD. However, if you use an LCD module with I2C interface, you ...

This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are ... [Chris] is using a character LCD to output the reading. Wiring and driving the ...