Electronics > Projects, Designs, and Technical Stuff

Comparing an Alps rotary encoder to chinese rip-off

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Jan Audio:
I buy the cheap one and replace with good one later.
Not going to pay price high as the alps for test projects.
Thnx for the 10K advice, i just use 100n, next project i try 10K.

MarkF:
Have you seen the PEC11 Series suggested filter?

Jan Audio:
Are those extra resistors worth the space ?
That is 4 per encoder, gonna try 2 first.

Oh wait those are pullup-resistors, and i have those internal in the PIC, hmz.
So you need pullups disabled in the MCU for this one.

exe:
I had the same dilemma, and I ended up with just using cheap encoders. Motivation: it works fine, usability is not affected by this. I don't know how long they will last, will see.

MarkF:

--- Quote from: Jan Audio on May 28, 2020, 12:48:53 pm ---Are those extra resistors worth the space ?
That is 4 per encoder, gonna try 2 first.

Oh wait those are pullup-resistors, and i have those internal in the PIC, hmz.
So you need pullups disabled in the MCU for this one.

--- End quote ---

Here is one of my PCB layouts:
I didn't crowd the parts and you could reduce the space.
All 1206 SMD.

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