Can someone identify this rotary switch type or model

Forums › Home Workshop DIY › Can someone identify this rotary switch type or model

sudo

391 posts

Ultimate Geek

#312892 27-May-2024 14:40

I have a pellet grill that has a digital temperature dial, on the control board, I have managed to physically break.

I've been trying to find this part online, but haven't had any luck.

Can anyone help identifying it? ... or at least head me in the right direction

It freely rotates (it clicks in increments) and you can press it like a button.

From a functional perspective, you select the temp and press it to commit.

The board is 240V but has a step-down 230V to 7.5V AC step down transformer

It's 12mm each side and 6mm high.

SomeoneSomewhere

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#3235274 27-May-2024 14:46

That will be a rotary encoder, not a switch. That form factor is reasonably common so you should have luck.

SomeoneSomewhere

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#3235276 27-May-2024 14:49

This looks almost exact: https://au.element14.com/bourns/pec11r-4215f-s0024/incremental-encoder-2ch-24pulse/dp/2474844

Double check dimensions and footprint but they look accurate.

You will also want to check pulses/clicks per revolution. Worst case the knob acts as if you spun it faster/slower.

RunningMan

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#3235277 27-May-2024 14:50

https://www.jaycar.co.nz/rotary-encoder-switch-with-pushbutton/p/SR1230 ???

sudo

391 posts

Ultimate Geek

#3235294 27-May-2024 15:31

Wow, thanks.

That looks like it (sorry I have very limited electronics exposure and I was looking at clickable switches)

It has 20 "pulses per rotation" ... does it matter if I get a differing amount?

(considering there is no home location ... the digital display increments based on whatever the current location is)

SomeoneSomewhere

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#3235296 27-May-2024 15:33

All it does is change how fast you have to turn it. They sell both 18 and 24 so either is going to be pretty close.

Check the shaft length too.

Dynamic

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#3235306 27-May-2024 16:20

Hopefully you are confident doing the replacement yourself. If not, we recommend these guys

Home - Phillips Electronics (we use them for fixing faulty industrial PSUs as they are handy to us)
@sprong may also be a suitable candidate. He runs https://hillcrest.net.nz/ and was super helpful with Tivo mods.

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PocketSmith for budgeting and personal finance management. A great Kiwi company.

sudo

391 posts

Ultimate Geek

#3237789 28-May-2024 12:55

Dynamic:

Hopefully you are confident doing the replacement yourself. If not, we recommend these guys

Picked up the part from Jaycar and soldered it in (hitting myself as I was there last weekend and missed this one .. it was wrapped in plastic bags, while hiding in plain sight)

I used to solder as part of a job a few decades ago, and also now have access to a solder station/desolderer. The hard bit was desoldering/cleaning up (which I ended up snipping off the legs to be able to properly remove all the previous solder)

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trig42

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#3239799 28-May-2024 13:36

Nice, did it fix the issue you were having?

neb

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#3242042 28-May-2024 22:39

trig42:

Nice, did it fix the issue you were having?

Unfortunately not, but at least his pellet grill is working again.

sudo

391 posts

Ultimate Geek

#3242353 29-May-2024 16:48

neb:

trig42:

Nice, did it fix the issue you were having?

Unfortunately not, but at least his pellet grill is working again.

😁

The weather has been too crappy to fire it up this week ... Hopefully I can put it to the test on Saturday (first going to smoke some beef jerky, then sear some cevaps and chicken thighs)