Hey Guys really need your help on how to accurately read the pulse signal input from a Coin Slot to Arduino Uno This is the code i used: #include <LiquidCrystal.h> LiquidCrystal lcd(12, 11, 6, 5, 4, 3); volatile int coins = 0; void setup() { lcd.begin(16, 2); Serial.begin(9600); attachInter…

Pulse Reading from Coin slot to Arduino

wildbill December 19, 2012, 1:10pm 3

Are the grounds of the Arduino and the coin device connected?

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