Arduino analog gauge with stepper motor MK2

Arduino analog gauge with stepper motor let us to code several types of devices: thermometer, tachometer, speedometer, frequency meter etc. Custom gauge faces!

[@iuiz]

Nice work.
Can this motor do more then one full turn and do you need an encoder?

[@Dyr4ik]

It can't make full turn, but it don't need an encoder.

[@wv838]

Hey Dmitry, what kind of servo is that to move more than 180 degrees ? Thanks :-)

[@Dyr4ik]

Stepper motor MR1107

[@wv838]

My bad! For some reason I thought you were using a servo :-/
Nice gauge !

[@Dyr4ik]

Hello, wv838!
Here is the code fo ATtiny 85 (Digispark) with Switec X25 library ( github.com/clearwater/SwitecX25 ) and IR sensor. Link to Patreon does not work because I've started new music project: www.patreon.com/RhythmsOfButtocks
#include
#ifndef cbi
#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
#endif
#ifndef sbi
#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
#endif
// standard X25.168 range 315 degrees at 1/3 degree steps
#define STEPS (315*3)
#define WIRE 4
// For motors connected to pins 0,3,1,2
SwitecX25 Gauge(STEPS,0,3,1,2);
int i, result, pos = 0;
int start_bit = 13000; //Start bit threshold (Microseconds)
int repeat_bit = 11000; //Repeat bit threshold (Microseconds)
int bin_1 = 2000; //Binary 1 threshold (Microseconds)
int bin_0 = 1000; //Binary 0 threshold (Microseconds)
const byte BIT_PER_BLOCK = 32;
int data[BIT_PER_BLOCK];
volatile byte state = LOW;
uint32_t timer;
byte mode = LOW;
void setup(void)
{
Gauge.zero();
pinMode(WIRE, INPUT);
sbi(GIMSK,PCIE); // Turn on Pin Change interrupt
sbi(PCMSK,PCINT4); // Which pins are affected by the interrupt
}
void loop(void)
{
if (state)
{
timer = micros() - timer;
if (timer > start_bit) {i = 0;}
else if (timer < repeat_bit)
{
if(timer > bin_1) //is it a 1?
data[i] = 1;
else if(timer > bin_0) //is it a 0?
data[i] = 0;
i++;
if (i == BIT_PER_BLOCK)
{
result = 0;
for(i = 16; i < 24; i++) {
if(data[i+1] == 1) result |= (1

[@joochiunglee351]

can you teach how to do ,i need analog rpm gauge diagram

[@MrAvandalen]

Hi, what transparant housing did you used?

[@Dyr4ik]

Custom laser cutted case.

[@NesbyBone]

Nice project, can you share the code? The patreon link its broken.

[@reinerhildebrand5915]

Sir, the sketch, please.

[@fuscaazul3153]

hi, what kind of board did you use for this fucking project? hugs from Brazil

[@Dyr4ik]

Digispark (ATtiny85)

[@fuscaazul3153]

@@Dyr4ik very good! of everything i saw, this was the best! Can you teach me how to do it?