So right now I`m working on a project in which i want to control 5 Fans with an Arduino Mico The problem is the Micro only has 5 Interrupts 2 of which are used for Serial communication. What i want to thatch to the Interrupts are the 5 hall effect outputs of the fans. My questions are: Should I …

Multiplexing interrups

allanhurst August 29, 2016, 2:54pm 7

Look at the 74148 - good old TTL!

regards

Allan.