All the modules are powered with 5V from the Arduino ... lcd (0x27, 16, 2): LCD initialization with I2C address 0x27. rf_driver (2000, 11, 12, 0): Configures the RF module (2000 bps baud rate, RX on ...

How the platform helps streamline the design process. The custom options offered.

4 and 19 pins are used to adjust the display contrast through a resistor. I use a 1 Mega Ohm variable resistor. Acceptable contrast ~270kOm.

Slowly moving from 2.X.X arduino (finally). Question about uart though. Before I used .end(true) to completely detach pins as I only want to use RX part of the Serial as one of my pins is used for ...