Im having a project now. My project is Simple Coin Changer Machine. They coin slot gives me pulses(I already programmed the denominations). Now, how i can read pulses using interrupts or other method? now when the machine is changing coins.. i mean in the process, the coin slot will not accept any c...

thank you sir. i think that formula is for the calibration right?
ok now my problem is when i try to read the value from the adc input, it gives random numbers.

Ill just post here the link coz i posted in the mikroBasic
Please help.
http://www.mikroe.com/forum/viewtopic.php?f=91&t=66792

Sir im now using the code from Libstock(you gave me) but it seems this fucntion cause the LCD being blank void calculatePPM() { double lgPPM; Vrl = (double)adc_rd * Vadc_5; // For 5V Vcc use Vadc_5 and for 3V Vcc use Vadc_33 Rs = Rl * (5 - Vrl)/Vrl; // Calculate sensor resistance ratio = Rs/Rl; // C...

Im using mikro C sir. i bought 3 sensors already coz i thought it might be the sensor but it all didnt work.
i guess its because of this INTCON and CMCON. i dont have enough background about these 2.

my code cant detect gas. please help. im using mq6 gas sensor. :( :( :( :( void main() { ADCON1 = 0b00001111; // Configure A/D for digital inputs ADON_bit = 0; TRISA = 0xff; TRISB = 0xff; TRISC = 0xff; TRISD = 0; PORTD=0; while(1) { if(PORTA.RA0) { RD0_bit = 1; } else RD0_bit = 0; }

Here's my code. This code didnt work. Please help RA0 my input Digital MQ6 gas sensor RD0 led on if sensed void main() { ADCON1 = 0b00001111; // Configure A/D for digital inputs ADON_bit = 0; TRISA = 0xff; TRISB = 0xff; TRISC = 0xff; TRISD = 0; PORTD=0; while(1) { if(RA0_bit == 1) { RD0_bit = 1; } e...