arduino-modular/SyncSequence/SyncSequence.ino

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2023-12-09 22:18:00 +00:00
#include <Adafruit_MCP4728.h>
#include <Wire.h>
Adafruit_MCP4728 mcp;
long int last_
void setup(void) {
Serial.begin(115200);
while (!Serial)
delay(10); // will pause Zero, Leonardo, etc until serial console opens
if (!mcp.begin(0x64)) {
Serial.println("Failed to find MCP4728 chip");
while (1) {
delay(10);
}
Serial.println("MCP4728 initialised");
}
mcp.setChannelValue(MCP4728_CHANNEL_B, 0);
}
void loop() {
int pot = analogRead(A0);
float rate = 2000 * (float)pot / 1024.0 + 0.01;
long int t = millis();
float v = 0.5 + 0.5 * sin((float)t / rate);
mcp.setChannelValue(MCP4728_CHANNEL_A, round(v * 4095));
}