Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Can Altera GPIO pins read analog values?

I'm a beginner in electronics so forgive me :D, Hi, can Altera GPIO pins read analog output of a light sensor? the light sensor output is analog and I want to tell the Altera whenever the signal ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Simple op-amp comparator should work, but you will need to change the reference by hardware if you want to set different threshold. The MAX10 ADC has a function of allowing you to set threshold. So you just change parameter in software. Much easier than hardware modification.