const int analogInPin1 = A0; static unsigned char adcval; void setup() { Serial.begin(115200); pinMode(13, OUTPUT); ADCSRA = 0; // clear ADCSRA register ADCSRB = 0; // clear ADCSRB register ADMUX |= (0 & 0x07); // set A0 analog input pin ADMUX |= (1 << REFS0); // set reference voltage ADMU…

Arduino based Oscilliscope

paulpaulson September 1, 2021, 6:27pm 4

Hello
Did you study how does an analog-input of an Arduino operates?

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