Also, the legend “U5-18b20-LM35-A4” has an arrow pointing up toward the ... and connects pins 4 and 5 (UART) to Arduino pins 0 and 1. The APC220 module (see next image) has a total of nine pins (only ...

The Arduino has become the darling of the electronics platforming world, with its easy to use software and hardware. The littleBits magnetically connected electronics modules have made a splash of ...