Posted on July 28, 2017 at 15:09While I know how to add a single button to a pin (as a digital input) for the stm8s103f3p6.
What I want to know is how to add multiple buttons using resistive analog inputs.
Specifically I wish to know how to add 12 buttons as 4 buttons on three analog pins.
Im stuck on the programming. I know thought that the circuit is a voltage divider
made up of high valued resistors on each of the three pins.
Here is the Arduino version for it for 1 pin
http://tronixstuff.com/2012/02/29/tutorial-analog-input-for-multiple-buttons-part-two/
so it like above but on three pins not 1.
I searched a while on the internet for the answer but cant find it. In your answer -make the code in C++ and give the precise circuit.
#analaog-pin #button #c++
