What probes you got D?

yes, Darren's a Legend 😇

Awesome! Hope they serve you well 👍

@@MechanicMindset Just putting together another order having watched some more of your videos and also looked at some of my leads which are not up to standard from other suppliers. 🙂

Cheers George! Have you seen Rotkee before?

Yes I have seen their site in connection with the waveforms available on it and I was wondering about their equipment too. Now recommendation coming from you makes me want to buy some 😊. Let's see. I was looking for more affordable pressure sensors for in cylinder diagnostics. Are the ones ROTKEE offer going to work? That would be nice to know.

@@georgetzekov445 I’ve not tried their pressure sensors but they seem to have a BNC output so I would say yes. You would just need the parameters to make the custom probe. I assume it would come with its own separate power supply too. One of the pressure sensors looks like it’s out of stock at the minute

Thanks for sharing, hopefully they get your feedback 👍

Awesome! Which one is your favourite?

Let us know how you get on Artie. I’m sure we have a section on customs probes already. Try this mate: www.mechanicmindset.com/courses/picoscope-for-automotive/contents/610ac703cf74c

@@MechanicMindset thanks Darren

Thanks! We try and move on and up. Also got our own place now! I’m sure the scope will be fine. I’m using g an old Pico 4423 in this video. 10 years plus! And still performing well. I had a little go with a MicSig. Didn’t get to know it too well. One issue I found was the screen was difficult to see outside

They have certainly fell on tough times. All good feedback from anyone who bought so far 👍

@@MechanicMindset is that company based in the region of Ukraine ? or the U.S.A ?

@@sollykhan2385 Ukraine

Cool! Which probe are you using the most?

@@MechanicMindset the pressure transducer. Very accurate for in cylinder

MicSig is a nice scope! Very convenient as a tablet 👍

@@MechanicMindset I like both, but the MicSig is my Go To scope. This may not be "new" to you, in fact I am betting it isn't, but for for giggles I will share a few thoughts. I recently became aware of, and purchased two Chassis Ear kits. One has wireless sensor, the other had wired sensors. For the wired sensors they are terminated with 3.5mm sound jacks, which get plugged into a 6 channel box where I can flip a knob to select which channel (sensor) i want to listen to. The idea is to find out which sensor is picking up a bothersome noise or vibration. Well, while I was tinkering with the wired sensor kit I decided that I wanted to pick up some 3.5mm jack socket to BNC socket adapter cables. Then I can plug in up to 4 wired sensors and direct the electrical signal from the sensors into each of the 4 channels on the scope. That way I can get a visual representation of the various sounds. I can also watch up to 4 channels simultaneously as opposed to only being able to listen to one channel at a time. Morever, were I to pick up a low cost 8 channel recorder/playback machine I can make a recording of multiple different sensors that I can play back at any time I like. I found out, after my epiphany, that Pico has an NHV kit already, that does what I am describing. But, they have taken their design to a true cutting edge, whereas my approach is more akin to a hacker coming across a cool idea. I guess I have a poor man's Pico NHV near equivalent for a lot less than the Pico kit is. Now that I have these Chassis Ear units I can't am hardly wait to come across someone with an objectionable noise! So, I will just begun to play with the Chassis Ear morphing into the oscilloscope arena and see else I can come up with. I have lots of ideas already. What fun, blending two or more technologies to help resolve an issue that drives a lot of folks crazy.

@@gilberthale7777 I love the chassis ears kit; used it all the time! Yes they give off a small voltage; I think they are piezo elements which are often used in microphones. The Pico kit is next level; I understand they are more like accelerometers which don’t suffer the same physical effects of piezo and can measure more 👍

@@MechanicMindset chassis ears do use piezo chips to generate low voltage signals. Just having the chassis war kits is awesome unto itself. But melding into the scope world is going to make it all the more fun. The Pico NHV kit is definitely awesome. And way over the top. From what I can tell been without a scope interface the chassis ears are going to be a game changer for me. I wish we had these available back in the 70s and 80s when I worked as a tech.

@@gilberthale7777 Cool! Yes the NVH kit can determine the frequency of vibrations and noises which can then be paired with components of varying rotational speeds (so you can tell between diff, wheels, engine, transmission etc)

They are a real creative way to test 👍

Yes it captures 4 on one channel

Ah yes, I see this is an option now. Thanks for sharing 👍

I think there will only be a minor change. Did you see the video where I made my own scope cable with twisted speaker cable?😆 It worked ok.

Thats right, shape analysis. It may vary depending on coil construction. And as far as I’m aware we can only ‘measure’ secondary kV on the HT lead to the plug 👍

You’ll need a BNC splitter and connect the other side to a ground 👍 I got one and it works

Thanks for sharing!

@@MechanicMindset Just ordered a few more items from ROTKEE and they now use PayPal which make paying much easier.

@@no1conrod Agreed! I think the payment terms were a sticking point for most orders 👍 Enjoy!

I had to use Wise, or some money transfer app like that, which was quite difficult. But Rotkee are all good.

Great little set up. All you need to do is connect one of the other channels negative lead to ground 👍 cheers!

I’ve looked at this, I don’t think you would get a signal on the scope with diodes. It will stop the short circuit though. Draw it out, it makes sense then. At least that’s the conclusion I came to 👍

@@MechanicMindset I was thinking one diode on each leg of the splitter that would allow the signal to come up the line but stop signals from coming back down the line. I’ll have to draw it up and look at it. I’m pretty sure I’ve seen one with diodes for primary ignition in the past

@@Jpilgrim30 I’ll try and test it with 1 diode

Hey Tony, they supply a strong double sided tape to stick to the tops of the coils. I suppose you might be able to come up with your own securing method with a bit of creativity 😉

@@MechanicMindset Thank you 👍🏻. I guess I'm surprised that it would work through the double sided tape but I'll give her a whirl. Just received my Pico today, at 58 years old I haven't been this excited about about a new toy... uh TOOL in a long time. Thanks again for all of your content and your reply. Cheers!

@@Tony-rl2fr This video shows them in action. Enjoy the new toys! 😆 kzfaq.info/get/bejne/Z8tzicx1vpPIc4E.html

I did a video with the transducer. Works nice. Although WPS500 is another level; recently did a video in that too. For doin 8 cyl, you could get 2x 4-in-1 lead and feed them in to the same channel with a BNC splitter; as the waveforms won’t clash

@@MechanicMindset I actually found that video after leaving this comment. Thank you for the information on how to use two sets of leads on one channel. I will soon be signing up for your scope class. Thank you for all the great information in your videos.

These Rotkee ones are good. The Hantek one also has good reviews. I have the Pico probe and that’s pretty good too 👍

For the COP, possibly yes. Pulse sensor, no, it’s really low voltage 👍

Thanks for the reply! I decided to put in an order for both sensors as well as a set of their flexible backprobes.

I think some parts are still in development like math channels. The scripts are really interesting. I don’t think it’s available at the minute; I have one and I’ve had a play, it seems to be a very capable oscilloscope. When they’re back on sale I’ll look at doing the video 👍

Rotkee.com

Oh, I did check a while back but can’t remember. It was relatively low

Yeah, I can visualise that. Not sure how that would affect any negative readings, ie, when the voltage drops after the spike. Might give it a go with one channel and see what happens

i did electronics from an early age, the problem may be that Resistors will 'dissipate ' (absorb) a certain amount of energy (depending on the wattage) of the resistor, however with a Diode , there are an awful lot of different types, forward/reverse bias, Zenor types etc, is that it will allow current flow in 1 direction(or hold a certain amount of energy until it reaches a threshold) and then it has to do something with it? if you get my drift, remember the current flow will take the least resistive path, be it Earth, point of activity or dissipate in heat build up. but no harm in trying, were all wana be experimenters / home scientist's and students of learning,🙂

@@sollykhan2385 Yes, semiconductors are strange things!!

@@MechanicMindset indeed, current flow reminds me of the younger generation of today, it takes the path of least resistance !!🙂

potentially with a diode, if someone wanted to test a positive vs negative trigger ( or visa versa )....that could be problematic ?

It works, I have it 👍

What's that, I've not seen before?

Sorry to hear that, hopefully they will respond soon

@@MechanicMindset Thanks, Darren. I sent them 2 mails 3 days ago telling them about this issue. I understand they are having some kind of difficult time atm. I should wait for their response and hope they will read comments here. About this issue, I still keep all of the products in that box as I have thought the parcel someone ordered might have been sent wrong to me.

I got a response from Rotkee today and he said he will sort out this issue for me. Many thanks !!!

Yes 👍

Don’t worry mate, just mixing it up a bit 👍 more 2204a coming soon. Last video was 2204a 😉

@@MechanicMindset oh good you sold me I bought one now I gotta use it with your training

@@sheerwillsurvival2064 Great starting point for oscilloscopes. And the training will open up some cool features 😁

Good news, they recently started accepting PayPal!

@@MechanicMindset First, many thanks to Darren's great tech videos, for which I really appropriate. By the way PayPal says if the account is in Ukraine and private, my local PayPal won't send the money. If the account is out of Ukraine, I am allowed to send the money. I am from TAIWAN.

I too had problems with my first order but I used Wise money transfer that worked fine and I have just received my first order which I am very pleased with. When signing up for Wise send a photograph of yourself holding your driving licence or passport as I found there method problomatic. Cheers

No resistor. It wouldn’t work with a diode. I drew it up and can’t remember why, but it won’t work.. it still needs flow in 2 directions to take the measurement and operate at the same time

@@MechanicMindset Yeah, I trashed the idea not longer after I wrote it. I suppose the shape of the trace has more to do with understanding an issue than knowing an exact voltage value

@@howlinhog Yes I think it’s just more for checking that it’s actually happening

Resistors I believe. Hence the ground voltage doesn’t go to 0V when the injector is activated. If you used normal diodes I don’t think it would work.

@@MechanicMindset but the resistors will consume the current in both way. Diodes will let the current to move in one direction. I'm from chemical Engineering I studied electronics level 1 on 2009 let me read to refresh my memory and come back to you.

@@abdulkreemalsultan134 Yes agreed. I had this conversation before with someone; I’m sure there was a reason it didn’t work. Also I think I checked it with my multimeter 😁

@@abdulkreemalsultan134 Draw it down on paper and consider all paths when the injector is on and off. When the injector is off, that lead will be 12V, and the activated injector 0V, it can’t measure both simultaneously; the resistor is the answer. I needs current to flow both ways to make this type of measurement and circuit work. What do you think? The circuit will work but the oscilloscope wouldn’t measure what we want

@@MechanicMindset I have draw it with 2 idea I don't know how to send it to you so I just uploaded it as a video on KZfaq. Either we use diodes or we can use multi relays driver L9026 I included the link for the data sheet for the L9026 kzfaq.info/get/bejne/rNGmf6dz0qfWlIE.html

It seems the VS Vibration Sensor is compatible; it has a BNC connector. Yes, the NVH equipment looks interesting!

Depends, some are varying voltage, some are PWM, some are LIN bus!!

@@MechanicMindset many thanks

a 'COOL' question 😎

See what you mean, the spike seems to go in the right direction. May be down to the probe or could be that it’s wasted spark

Will try and get some diesel in soon. You know what, I’ve never worked on a Wankel engine ever!! 😳

@@MechanicMindset Good job, the 'SPELLING' of that engine design has been curated carefully , Lol 🙂, i'm an older Dinosaur, and have worked on a NSU Prinz, and a RO 80 ( Wankel rotary designs) from the 70's, but haven't seen hide nor Hair of anything that has survived from these older car's, but not any newer types,,,Yet.

@@sollykhan2385 Awesome! Were they good to work on?

@@MechanicMindset yes, they were in a strange way, futuristic tech back in 70's, the only problem was oil and water mixing and rotor tip's wearing away, i thought the tiny NSU Prinz was a cool car to bolt about in, till it broke down!! 🙂

The early Wankel engines were a pain in the butt to diagnose rotor tip seal wear and now with these modern products and oscilliscopes it should be much easier. We put a Wankel engine into a Lotus Elan and it was a flier leaving blue smoke everywhere !! 😞

I’m sure it will arrive. I had a package arrive the other day but I don’t know when it was sent. I’ve not heard of anyone been let down yet. Hold tight 👍

Cheers Nick, hope you’re good!