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  • 14/02/2015

    Like them and are cheap. For Arduino used the following code based on what can be found at Please not it includes a correction in the table as could be found in one of the comments. That is essential. Also connect the 5V, essential as well: #define ROTARY_PIN1a 9 // DT #define ROTARY_PIN1b 10 //CLK // algorithm constants #define DIR_CCW 0x10 #define DIR_CW 0x20 // Use the full-step state table (emits a code at 00 only) const unsigned char ttable[7][4] = { {0x00, 0x02, 0x04, 0x00}, {0x03, 0x00, 0x01, 0x10}, {0x03, 0x02, 0x00, 0x00}, {0x03, 0x02, 0x01, 0x00}, {0x06, 0x00, 0x04, 0x00}, {0x06, 0x05, 0x00, 0x20}, {0x06, 0x05, 0x04, 0x00}, }; /* Read input pins and process for events. Call this either from a * loop or an interrupt (eg pin change or timer). * * Returns 0 on no event, otherwise 0x20 or 0x10 depending on the direction. */ unsigned char rotary_process1() { unsigned char pinstate = (digitalRead(ROTARY_PIN1b) << 1) | digitalRead(ROTARY_PIN1a); state1 = ttable[state1 & 0xf][pinstate]; return (state1 & 0x30); } volatile unsigned char state1 = 0; int rot1 = 0; // ------------------------ In setup(): pinMode(ROTARY_PIN1a, INPUT); pinMode(ROTARY_PIN1b, INPUT); // ------------------------ In loop() rot_result = rotary_process1(); if (rot_result) { rot1 += (rot_result == DIR_CCW ? -1 : 1); }

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  • 17/12/2016

    Bonne qualité de fabrication matériel conforme.

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  • 27/11/2016

    I'm not used in real project but the test are ok.

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  • 21/09/2021

    good one

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  • 25/10/2018

    petit module codeur Arduino cliquable pour un futur montage d’isolateur UV pour pcb avec un vieux scanner. je recommande bien sur !!

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  • 17/05/2018

    muy buena calidad bien envuelto llego antes de tiempo muy contento con la compra precio conveniente sin restar calidad... saludos

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  • 27/07/2017

    Well packaged. Not sure if the plastic bag is anti-static will have to test! Detents have a nice solid feel when shaft is rotated.

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  • 03/03/2017

    Ho comprato questi Encoder rotativi per un progetto di sviluppo il quale prevede l'impiego del modulo Arduino. Il costo è estremamente contenuto e la costruzione dell'oggetto rientra negli standard. Buono il supporto in vetronite e saldature perfette. Prodotto consigliato

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  • 14/09/2016

    Neat little item, again Banggood delivers on all their products, Cheap value for money, great stuff BG

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  • 01/01/2017

    This package of 5 pcs arrived in proper time (thanks Priority Direct Mail) with no damages. All work fine, except one, which wasn't welded at the switching pins (only the 2 mounting pins where soldered). Ok, for this price (paid only 89 cents per each), so very satisfied (this 5 welding points are quick done). Hint: always check for bad or undone soldering on this articles ...

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