You're welcome 😊

It's also a TFT 1.8" ST7735 as I mentioned, but the module looks a little difference. There are 3 variations that I know of.

I guess you can return it

Pins are selected in the top of the sketch and usually we use hardware pins so they can't be charged. This is made for Arduino uno and nano. You need to find a Library for raspberry pi pico

You can always do anything you want with the display

@interlinkknight Can you advise how you would shift it to the center ? Thanks

Do you mean the OLED display? You would have to put a few if statements that if RPM is between 0 and 9 the text x position is a value in the center. If RPM is between 10 and 99 the text x position is a value in the center. If RPM is between 100 and 999 the text x position is a value in the center. Etc.

Glad it was helpful!

yes, it can be done with this display

It's simple. The nextion editor has a variable and then I run a timer (loop) that runs a piece of code that puts the correct image depending on the value of the variable. If you open my project, you'll see

It seems the website is down. I guess we can try later

First, follow my troubleshooting video

I'm sorry. You are right. I forgot to publish the instructables article. Here it is: www.instructables.com/Photo-Frame-With-Epaper-Color-Display/

Sadly, no. The only way to have a longer cable is having a larger distance between the top and the bottom. What I did is putting it on the bed headboard so I have more distance and I love it

It’s possible. You just need to add another roll in your pully. Just look up different configurations.

I tried that and it didn't work

Trial and error. There's a part in the code that changes this depending on the speed.

Not sure where you found that. I just checked and in the arduino website shows: UNO R3, UNO R3 SMD, UNO WiFi Rev2, UNO Mini Ltd Pins: 10(CS), 11(COPI), 12(CIPO), 13(SCK) Either way, they are mostly configurable. BTW, there is no pin 14 on Arduino UNO R3

I don't recommend adding another sensor. To read low speed you just need more magnets in the wheel/shaft. The more pulses per revolution, the lower RPM you can measure

I guess the font file is too old for the new version of the editor. Try creating your own font and use that instead

@@interlinkknight Thank you so much for reply , yes i did the same and it is done but when i go to debug it will show that: simulator has very low brightness and i am using intelling version of nextion lcd

Hello it is solve , actually i remove the slider and it's code from 2nd page and preintialized event code from home page too and now it is working , thank you so much really these videos are too good and i subcribed to your channle for more videos.

I'm glad you got it working. Cheers

You would have to have the exact same cluster so the connection could be useful, because there is no standard about this, at least in the one I have. I've seen people controlling clusters with arduino but for newer models that have standard protocols.

The closest thing is the Inkplate 6Color from Soldered. They sell the epaper display with the esp32 included. I made a video about it

@@interlinkknight thank you 👌🏾

@@interlinkknightsorry I might be blind. Can you send me e the link of that video?

I don't recommend the CD ROM brushless motor because it's too complicated, and there's no real advantage of using it. This is because the way I run my CD motor is in some way similar to a brushed motor, controlling the speed with PWM. So we don't gain more control because of that. What I mean is that you can use a normal DC motor and then in the code you could create some kind of feedback using a hall effect sensor and my code to measure RPM. You mean combine two different sensors? I don't recommend it. I don't see the advantage of that. You better choose one type of sensor and use just that. If you want more accuracy, just add more pulses per revolution (more magnets in the wheel). Also, you could change the settings in the sketch to read more pulses before calculating the RPM. The hard part is the code to create that feedback loop to maintain a precise speed. I never done that so I can't help much, but at least you have my code to measure the RPM precisely and in real time, which it's a part of the puzzle. It should not be complicated. Let me know how it goes.

I don't understand the question. I designed and 3D printed everything, except for the hardware (screws, nuts, bearings).

I think u can replace it with an u-groove track wheels

That's true

Of course you can, but you need to separate the decimal numbers yourself with different objects

In cases where people require 3 or 4 power rails, that would be an advantage, yes. The question would be: how many times do people use 1-2 power rails vs 3-4 power rails? Maybe like 90% vs 10%? Good brands know this so neither of the good brands add this feature of splitting the power rails, at least that I know of. In that case, you would have to buy a bad quality breadboard so it can have the split power rails, but now you would suffer the bad connections, the bad labels, etc.

At that speed, it would work but only if you create one pulse per one revolution, and you don't do much else on the code. Above 150,000 Hz it starts having issues to run the main loop. In those cases I would just use a faster microcontroller like the Arduino UNO R4 or ESP32 that can handle a lot faster speeds. About the second question, you only need a white/black color contrast on the shaft if you use a reflective sensor. I show 3 kinds of sensors in the video, and each has their own way to detect the pulses. One is a magnet, the other one is creating an obstruction from the emitter to the receiver of the sensor, and the other one is reflective that requires white/black colors. Depends on which one you use.

That's awesome. Thanks for sharing

Most of us go through that mistake and lesson. I haven't tried that bestol brand

There are many ways you can handle that. Usually, the LED would stay ON and the toggle switch on the display would reset to the default value once you go to another page, but you can make it a global variable so it can remember the state, no matter in what page it is.

De nada :)

Yes, that would work great. The more pulses per second, the slower RPM you can measure accurately and in real time. Just remember to add the number of gaps in the code so it can calculate the RPM. Also, make sure the photo sensor gives a clean ON/OFF signal. without noise in the transitions. Good luck

Thank you for your response. I appreciate it. I’ve got some research to do now.

This is from the episode No. 95 "Lisa vs. Malibu Stacy"

@@interlinkknight ok thx

I bought it on eBay from China. Right now it cost $2 plus shipping