Stm32 blue pill oscilloscope

Stm32 blue pill oscilloscope

The hardware is based on STM32F microcontroller. It integrates 2 fast 12bit ADCs for the data acquisition. The Blue Pill development board has been chosen for its size, suiteable for this project.

Over this board we are going to install a little module for input acquisition. The input module is the only part that needs to be built with a stripboard. Here is the building scheme for this module. Schematic files are available on GitHub. Components are on the top, connections are made on the back. Plastic box or 40mm Heat-shrink tubing for boxing.

Probe: When using a BNC connector it is possible to use commercial oscilloscope probes. As an alternative it is possible to use a self made cable with or without connector I suggest a shielded cable like a headphone cable. In case you have your own programmer then you can get the firmware from GItHub 3. Alternative Design This is an alternative design using a 3. In case you wish to make the board as thin as possible for a little box in the picture 58x35x15 the components should be placed flat.

You can check it here. HS10X serie. In case you have your own programmer then you can get the firmware from GItHub. Probe with BNC Connector or cable for making the probe.Welcome, Guest. Please login or register.

Did you miss your activation email? This topic This board Entire forum Google Bing. Print Search. Read times. Axxel Contributor Posts: 27 Country:.

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Dear friends. After reading and studying about the STM32 technology, I started to practice HEX and. Windows error 43, USB not identificated I tired with the arduino USB bootloader, same I looked about the 10K resistor error, changed it for a 1. This firmware is the only. Here goes a pic of the STM32 of my bluepill. I saw on the web there is a lot of boards with fakes STM I'm not able to identify an original or a fake.

Hope you can help me and sorry I hesitate to put this topic into the "begineers category" but it's hard for me to judge JPG It needs to have a bootloader loaded onto it for you to be able to sue the USB port to load firmware. BIN file that you found will be doing this part for you. And if you want the GRBL firmware to talk over USB to your computer s a virtual com port, if this is not built into the application, then it will not enumerate on your computer as a VCP for you to talk to.

The following users thanked this post: Axxel.

Working with Interrupts in STM32F103C8T6 Blue Pill Board

Can you recommand good bootloaders references for the blue pill? Unfortunately no i dont really use the stm32 in an arduino environment. And the rare times that i do i just program it directly using the stlink. The following users thanked this post: coromonadalix. Can I say Huh?

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Look at the picture below this is from an old Blue Pill, but here they are all the same and you can see the order of the pins. Otherwise you have to use the serial boot loader, which I find to be a major pain. Flip it over and R10 should be 1.

stm32 blue pill oscilloscope

I always just replace it with the proper one, but there are other ways to deal with it just google "blue pill R10" for them. Macbeth Super Contributor Posts: Country:. In this case as a USB-serial device so he can communicate with the application running on the bluepill.Bluetooth is one of the most popular wireless communication protocols used in embedded systems.

Even in consumer electronics like mobile phones and laptops, it is commonly used for data transfer and audio functionalities. In fact, with the development of BLE Bluetooth Low Energythe development and implementation of Bluetooth based wireless headsets is at its peak sorry 3.

It is a simple UART based module that runs at the traditional 2. I have already implemented several HC Bluetooth Module based projects. Hence, I suggest you to completely go through the previous tutorials mentioned below before proceeding further with this project. Also, you can use either of the programming methods i.

Fast, Portable and Affordable Oscilloscope and Inductance Meter

I am not making any suggestions regarding the Bluetooth App and feel free to use any Bluetooth terminal App. If you want to use the same, use this link. Be careful when uploading the program. Which means that the Bluetooth Module must be disconnected anyways. The problem is if you chose to upload the program via the USB Port. PA9 and PA Another important thing to remember is the connection of the on-board LED.

STM32duino $10 O-Scope revisited OVERCLOCKED!

The code for the project is given below. It is very simple and if you already implemented an Arduino HC Bluetooth Module interface, then the code is very easy to understand. The working of the project is very simple. First, upload the program to the STM32 Blue Pill and then make the connections as per the circuit diagram. When pairing for the first time, it will ask for a pin. In that case enter or In my case it is Once the pairing is done, open your Bluetooth terminal App on your Android phone and search for Bluetooth devices.

Select the HC Bluetooth Module. In this project, I have talked about one of the commonly used Communication Modules by beginners and hobbyists i. Your email address will not be published. Table of Contents. Leave a Reply Cancel reply Your email address will not be published.One of the most interesting thing about being a maker is you never get tool-stranded, with the right components, makers tend to have the ability to build makeshift tools on the go.

Today, we will take a look on how to build a cheap version of one of the most important tools for any electronics engineer or maker; The Oscilloscope. The Oscilloscope is a test instrument used for the visualization and observation of varying signal voltages, usually as a two-dimensional plot with one or more signals plotted against time.

They are used in the design and debugging of electronic devices to view and compare waveforms, determine voltage levels, frequency, noise and other parameters of signals applied at its input as it changes with time.

This makes Oscilloscopes a very important tool on the desk of an electronics engineer or maker. But what if we could create something cheaper, compact, and highly functional using the components familiar to makers? The oscilloscope can be used in standard situations for tasks like DC measurements while also being useful for long period voltage logging and basic automobile checkups like.

You could also decide to make a Printed circuit board for this project. The schematics for this project is unbelievably easy. This makes the design modular and compact. Connect the components on the protoboard as shown in the schematics below.

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After soldering the parts, plug the input module on the STM Blue pill as shown in the image below. As mentioned above, you could make your own fully customized PCB-based Oscilloscope using the same design for this project.

An image of the PCB version is shown below. The app comes preloaded with the firmware for the HS oscilloscope, so all we need do is to connect the Blue pill microcontroller to your phone via a USB to Serial converter and an OTG cable as shown in the image below.

You should see the light on the STM come up. With the firmware upload complete, you can then disconnect the USB to Serial cable and connect the board to the phone via the OTG cable. As soon as it is connected to the phone, the red led of the Blue Pill board should come on.

The app should automatically recognize the oscilloscope and start displaying data. Connect any signal to the input of the HS and you should see the data displayed on the app as shown below. The free-version of HScope app allows using the HS as voltage tester and as a simple oscilloscope which might be enough for simple tasks. The full version of the HScope app, on the other hand, provides access to real-time statistics, FFT and could be used to convert the HS to a data logger.

Noise is the biggest challenge of the HS oscilloscope. It is strongly dependent on the phone model and this can be fairly overcome by adding capacitors between GND and 3. The value of the capacitor closest to the USB connector can be around uF for improvement in data quality. The Oscilloscope described by this tutorial might not necessarily be capable of replacing the standard Lab Oscilloscope, but this would help you get some of the little tasks done fast, without having to pay huge sums.

It is also portable which makes it useful if you move around a lot. Feel to reach out to me via the comment section if you have any questions or difficulty while replicating the tutorial. An Oscilloscope — source: sparkfun.

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Mush Lach. Nice project but one of the diode is on the wrong side right scheme 1 year ago. Yes, good note. It seems upper protection diode D1 is backwards on schematic. Taras Panchuk. A nice man good work TnX… 12 months ago.

Thanks, I will keep you posted for next updates 12 months ago. Leave a Reply Cancel reply.Few weeks after that I compiled a short comparative presentation of the STM32FC8packed as Blue Pill, and indicated how to connect and program it.

Later on, up came the 2. This article shows you how to use them to build your own simple Digital Oscilloscope with about 6 dollars worth of parts. Keep in mind that this is a very low cost DIY oscilloscope, meant for testing low frequency projects only.

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You'll need to follow those instructions and then get back here. This means there's no attenuation-amplification circuit and that the input signal should not exceed 3.

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The novelty in this setup is the presence of three buttons for trigger, time divisions and screen freeze.

The schematic below represents the circuitry for each of those buttons. The MCU pin attribution will change as updates and upgrades will be made to the project. An additional state checks for pressed buttons.

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Note that no interrupt routines were used in this application. Reason being that the ISR execution could perturb the temporal equidistant data sampling.

Other than that, the code is pretty self-explanatory. This Oscilloscope is better than the previous one but nowhere near the big league specialized or entry level tools. It is however a starting point that can postpone that costly purchase. It can be used successfully for ATmega PWM projects, for debugging low frequency circuits or audio signals. It is a nice DIY tool that you'll also be doing yourself and have a lot of fan while at it.

So enjoy it! Toggle navigation Menu Game Instance. Home About Posts Contact. The connections are generally the same as those made in the previous post.

STM32 Digital Oscilloscope - breadboard setup The novelty in this setup is the presence of three buttons for trigger, time divisions and screen freeze.The device was constructed on single-side PCB that features 3 general purpose buttons and various extension connectors. Furthermore, it can export both the wave shape and its spectrum in a file on the SD card.

This was first prototyped about one and a half years ago. I was happy with the ADC sampling rate and resolution but I was using it in its original breadboard setup as I kept postponing a proper build of this rather inexpensive oscilloscope.

Also on the front side, I placed three buttons and four other header connectors. On the flip side, the board hosts two voltage regulators, satisfying the 3. There are eight vias on the top layer that I could not avoid. They don't look too nice but serve the purpose. There's a reset button on the top-right corner for obvious reasons. The blue-pill board is covered by the TFT and so the builtin reset button is inaccessible. Also, to avoid handling the boot jumpers directly, I have created an extension three-wire cable with a three pin header at one end and a switch at the other.

For further details on PCB creation, do check-out my previous article. I moved from periodically probed button status to interrupt based button press detection. As a consequence I encountered what it's known as the button bounce phenomenon which manifests by apparent quick button press events before, after or before and after the actual button press. That is caused by an imperfect contact in the switch during on-off transitions and by the quick-to-detect MCU - the 72MHz clock frequency speaks for itself.

The electronic fix for the high pulled buttons is the placing of a nF capacitor between the button signal line and GND. In effect this filters-out the switching noise and creates a smooth passage between high and low states. I decided to throw a polarity protection diode in the schematic.

This is always a good idea when you know you'll be spending some time handling the board. The board does not include an input signal processing circuit. Instead there are a couple of female headers that break-out 2 analog inputs and one digital output.An oscilloscope is an essential tool for any electronics engineer. A popular inexpensive digital signal oscilloscope is the Rigol DSZsupporting 4 analog channels and 50 MHz bandwidth.

Follow the construction instructions on their wiki for how to wire up the display to the microcontroller. Got it reversed the first time, but worked after swapping. To summarize here are all the connections that worked for me:.

stm32 blue pill oscilloscope

You could also use female-to-male jumper wires and a breadboard, or solder male-to-male wires, or use a custom printed circuit board, but F-F jumper wires are the most expedient for the initial prototype. Installed URTouch and replaced the code:. But there is another failure. Looks nice! Connect PB0 to PB1 and the square wave appears on the display as we expect:.

May be useful for measuring higher voltage signals, but not the test signal. From the source code we see the additional wires for adding the optional touchscreen input. You can use an LCD screen without a touch panel, but I opted for one since it was only a couple more bucks.

stm32 blue pill oscilloscope

Now that the display works, time to hook it up, five more wires:. All of these pins are adjacent, but are on the other side of the blue pill board. This leads to slightly awkward wiring, but it is passable:. Peeled off the protective film, but touching the screen did nothing. Turns out it is disabled in the code, enable by removing this code:. Rebuild and reflash.

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Boots up and asks to press the dot to calibrate the screen. When I touch and hold it, concentric circles appear. Then touching the signal display draws red dots. Will have to learn about how this is meant to work exactly, but seems to be functioning. This display module not only has an LCD and touch screen panel, but also an SD card slot, through an unpopulated header. Storing the time series to the SD card? Constructing the hardware Follow the construction instructions on their wiki for how to wire up the display to the microcontroller.

BUG but if you don't actually have a touch screen, undef it here.


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