blob: 5b7a13e7aeded66ea5458c79cf696c567df99bba (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
/*************************************************************************
* Testing sketch for Freematics OBD-II UART Adapter
* Reads engine RPM data from OBD and triggers Arduino onboard LED
* Distributed under BSD
* Visit https://freematics.com/products for more product information
* Written by Stanley Huang <stanley@freematics.com.au>
*************************************************************************/
#include <OBD2UART.h>
COBD obd;
void setup()
{
// we'll use the debug LED as output
pinMode(13, OUTPUT);
// start communication with OBD-II UART adapter
obd.begin();
// initiate OBD-II connection until success
while (!obd.init());
}
void loop()
{
int value;
if (obd.readPID(PID_RPM, value)) {
// RPM is successfully read and its value stored in variable 'value'
// light on LED when RPM exceeds 3000
digitalWrite(13, value > 3000 ? HIGH : LOW);
}
}
|
