A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project ... bases together via a third transistor (and a ...

Messing around with Arduino can lead to some fun projects ... t work right and also might short out and create a fire risk. Resistor values are measured in Ohms, which indicates electrical ...

The value of the resistor is typically between ... to the analog input A0 of the Arduino board. This 4 -digit 7-segment display section is wired around four common-cathode 7-segment LED displays, and ...