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Results tagged with analogread
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user 4478
A standard Arduino function for measuring the voltage on an analog pin via ADC.
3
votes
2
answers
4k
views
Safely enabling voltage divider on a 12V battery
I'm planning to monitor voltage of a 12V battery with an Arduino's ADC pin connected via a voltage divider. Since I don't want the circuit itself to drain the battery when not in use, I want to use a …
- 1,668
1
vote
1
answer
1k
views
How to wire QRB1114 IR sensor to an Arduino Uno
:
#define BUTTON_PIN 2
#define LED_PIN 13
const int IR_SENSOR_PIN = A0;
int sensorValue = 0;
void setup() {
Serial.begin(9600);
pinMode(LED_PIN, OUTPUT);
}
void loop() {
sensorValue = analogRead …
- 1,668
5
votes
2
answers
171
views
Practicality of recording speech
The Arduino's analogRead() function has a maximum sample rate of typically 8,600 times/sec for a maximum bitrate of 8,600 samples/sec * 10 bits/sample = 86 kbps, so theoretically, it should be fast enough …
- 1,668
3
votes
2
answers
3k
views
How to wire an analog IR sensor for digital input?
However, I want to use this sensor to detect fast movement of a black/white color strip, and since analogRead() can take up to 100µs and I'd rather use the ADC pin for other sensors, I want to rewire this …
- 1,668