connecting 16 of the Rotary Encoder LED Ring

[izhmel]

I would like to connect 16 of the Rotary Encoder LED Ring and is asking for an example circuit showing how to connect the boards to an arduino board / MCU, how many digital pins would i need ?

Thanks in advance

[Mark Mayhew]

Hi izhmel,

I do not have a diagram for you, but here is how you’d connect them up:
GND, VCC – shared with all LED Rings

ENCA, ENCB, SWITCH – each LED Ring will need dedicated lines for these to the Arduino

CLK, LE, and OE – these signals can be shared with all LED Rings (three lines, no matter how many LED Rings)

SDI and SDO: you will ‘daisy chain’ these together. The first LED Ring will receive its SDI input from the Arduino. You will then connect the first LED Ring’s SDO output pin to the next LED Ring’s SDI pin. You will keep chaining SDO to the next LED Rings SDI pin.

Hope this helps. Let me know if there’s anything else I can help you with!

[s.schomburg]

Hi,
I’m working too at something like that… but only with two Encoders…
I hope I understand it correct, how I connect the two Encoder to the Arduino uno… but i still have Problems with the code… only the first encoder works fine, the second LED ring follows the first, und the second encoder still didn’t work. Could you give me a working example code for two encoder, like the code you give for the one encoder example?
Thank you for your help

Sascha

[Author]

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