The Zeeweii (or Sigpeak) DSO2512G is a popular budget 2-channel oscilloscope, and its firmware is a central topic for users looking to fix bugs or unlock features. Official Firmware
The official firmware is regularly updated by the manufacturer to address hardware revisions (such as "C" or "C+" versions) and software bugs.
: Notable versions include V1.2.8C+, V1.3.0C, and others depending on the specific hardware generation you own. Acquisition : Updates are typically found on the Zeeweii official website or distributed through community forums like Custom Firmware and Mods (ZeeTweak)
The community has developed "ZeeTweak," a project aimed at enhancing the DSO2512G and similar Zeeweii models. Modified Firmware : Independent developers, such as timschuerewegen
, have created modified firmware that allows for better data handling and extraction. ZeeTweak Tool GitHub project
provides tools to process raw data blobs from the oscilloscope and supports DSO2512G screenshot data files when using modified firmware. Key Firmware Features and Issues Data Extraction
: Stock firmware often limits how you can export data. Modified firmware can help you generate for use in software like sigrok PulseView Calibration
: Firmware updates are often necessary to improve the accuracy of the 8-bit ADC, which in reality functions closer to a 5–7 bit range Hardware Constraints
: Accessing the microSD card to flash firmware can be difficult because it is often blocked by the battery connector. Some users mod their device by adding an SD card adapter to make future updates easier. the firmware or more details on specific ZeeTweak features New 2ch pocket DSO+SG - Zeeweii DSO2512G - EEVblog
The Ultimate Guide to DSO2512G Firmware: Updates, Features, and Optimization
The Zeeweii (SigPeak) DSO2512G has become a favorite among electronics enthusiasts for its dual-channel 120MHz performance in a handheld form factor. However, to truly unlock its potential and fix common bugs, managing its DSO2512G firmware is essential. Why Update Your DSO2512G Firmware?
Firmware updates for the DSO2512G often address critical performance issues and add missing features. Key improvements found in various versions (like V1.2.8C or V1.3.0C) include:
Trigger Stability: Fixing bugs in "Normal" trigger mode that could cause the screen to clear rather than hold the last captured signal.
Measurement Accuracy: Improved calculations for voltage when using probe attenuation.
Feature Expansion: Adding cursor measurements for screenshots, math functions, and generating waveform CSV files for external analysis.
UI Tweaks: Repositioning UI elements like the screenshot counter so they don't obscure waveforms. Step-by-Step Firmware Update Guide
The DSO2512G uses a Winner Micro (W80x) series chip, which requires specific tools for flashing. 1. Preparation
Drivers: Ensure you have the CH341 serial driver installed on your PC to recognize the device.
Software: Download the WM Upgrade Tools (often provided by the manufacturer or community repositories like GitHub).
Firmware File: Locate the correct .fls firmware file. Be careful to match your hardware version, as newer firmware might not be compatible with older PCB revisions (e.g., V9.1). 2. Flashing Process
Language: Open the Upgrade Tool and switch the language to English (usually the third option in the top-left menu).
Configuration: Set the "Chip" type to W80X and select your .fls firmware image.
Bootloader Mode: With the device off, press and hold the power button. You must keep holding this button throughout the entire flashing process to keep the serial port active.
Connection: Select the correct COM port in the tool and click "Open Serial", then "Download" to begin.
Completion: Release the power button only once the progress bar reaches 100% and you see a "Success" message. Community and Reverse-Engineered Firmware
For power users, the ZeeTweak project on GitHub offers a reverse-engineered look at the DSO2512G firmware. These community tools allow for:
Modified Screenshots: Capturing raw buffer data for high-quality rendering via Python scripts.
Extended Functionality: Experimental features like customized signal generator waveforms and "secret" debug modes for buffer dumps. Troubleshooting & Tips
FPGA Mismatch: If you upgrade the main firmware (e.g., to V1.3.0C) without also updating the FPGA firmware, you may encounter "AUTO" button issues or signal distortion.
Version Check: You can typically check your current version by going to the menu or using the "Power + V" (long press) shortcut.
Safety: Never power down or release the power button during a flash, as this can brick the device, requiring an external SPI programmer to recover.
By keeping your DSO2512G updated, you ensure the most accurate readings and a much smoother user experience for your DIY projects and repairs. New 2ch pocket DSO+SG - Zeeweii DSO2512G - EEVblog
Zeeweii DSO2512G oscilloscope Go to product viewer dialog for this item.
occasionally receives firmware updates to address bugs or add new features, such as improved trigger modes or measurement cursors. Below is a draft of the key information and steps for managing its firmware. Important Precautions
Hardware Compatibility: Zeeweii advises against upgrading unless necessary, as newer firmware is often tied to specific hardware revisions (e.g., V9.1 or V9.15). Using incompatible firmware can cause unpredictable errors or brick the device.
Persistent Power: You must keep the power button pressed throughout the entire flashing process to maintain the serial connection. Firmware Update Procedure (Windows)
Updating typically requires a PC, a USB cable, and specific WM Upgrade Tools.
Preparation: Download the correct firmware file (usually .fls) and ensure the CH341 serial driver is installed on your PC.
Configuration: Open the Upgrade Tool and set the "Chip" type to W80X.
Loading Firmware: Select your downloaded .fls firmware file in the tool. Connection: Connect the to your PC via USB while it is powered off.
Press and hold the power button. The device will enter a boot loop to enable the serial port. Flashing: dso2512g firmware
In the tool, select the newly appeared COM port and click "Open Serial". Click "Download" to start the flash.
Crucial: Do not release the power button until the tool displays "Success". Alternative & Modified Firmware
ZeeTweak: Community-driven projects like ZeeTweak on GitHub provide tools to reverse-engineer and modify firmware for added features like screenshot data file support and improved voltage calculations.
Custom FPGA Firmware: Some advanced users on EEVblog provide modified V1.3.0C firmware that may include necessary FPGA updates to fix "AUTO" mode issues. New 2ch pocket DSO+SG - Zeeweii DSO2512G - EEVblog
DSO2512G Firmware: Enhancing the Capabilities of Your Digital Oscilloscope
The DSO2512G is a popular digital oscilloscope model known for its portability, user-friendly interface, and robust features. One of the key aspects that set it apart from other oscilloscopes in its class is its firmware. The firmware of the DSO2512G plays a crucial role in determining its performance, functionality, and overall user experience. In this write-up, we will explore the significance of the DSO2512G firmware, its key features, and how updates can enhance the capabilities of your digital oscilloscope.
Understanding DSO2512G Firmware
Firmware is essentially the software that controls the oscilloscope's hardware components, dictating how they interact with each other and with the user. The DSO2512G firmware is designed to optimize the performance of the oscilloscope, providing a seamless and intuitive interface for users to analyze and visualize electrical signals.
Key Features of DSO2512G Firmware
The DSO2512G firmware comes with a range of features that make it an indispensable tool for engineers, technicians, and hobbyists alike. Some of the notable features include:
Benefits of Updating DSO2512G Firmware
Updating the firmware of your DSO2512G oscilloscope can bring several benefits, including:
How to Update DSO2512G Firmware
Updating the firmware of your DSO2512G oscilloscope is a relatively straightforward process. Here are the general steps:
Conclusion
The DSO2512G firmware is a critical component of this popular digital oscilloscope. By understanding its features and benefits, users can unlock the full potential of their oscilloscope and take their signal analysis capabilities to the next level. Regular firmware updates can ensure that your oscilloscope remains up-to-date, secure, and performing at its best. Whether you're an engineer, technician, or hobbyist, the DSO2512G firmware is an essential aspect of your digital oscilloscope experience.
The Zeeweii is a popular dual-channel handheld oscilloscope. Keeping its firmware updated is essential for fixing measurement inaccuracies, unlocking software-based features, and maintaining hardware stability. AliExpress Key Firmware Information Version History : Recent versions identified by users include , and even newer hardware-dependent branches like v2.0.1-III v2.0.5-III Hardware Revisions
: Firmware is often tied to specific hardware versions (e.g., PCB V9.4 or V10.1). Attempting to flash firmware meant for a different PCB revision can lead to device instability. Acquisition
: Official firmware is typically obtained directly by contacting Zeeweii Support or through community forums like the EEVblog Test Gear thread Update and Calibration Process
Updating the firmware often triggers an automatic entry into the calibration menu, but the adjustments must be performed manually. Manual AC Gain Calibration Procedure: Preparation : Connect the oscilloscope to a known 2.5V 1kHz sine wave and monitor the "PKPK" measurement. Enter Menu : Navigate to Menu -> Meas , press the button, and long-press the Adjust CH1
buttons to change CH1 Gain until the "PKPK" reading matches your signal generator's voltage. Adjust CH2 LEFT/RIGHT buttons to match the CH2 "PKPK" reading to the source. to exit and save the new calibration values. Community Modifications (ZeeTweak) New 2ch pocket DSO+SG - Zeeweii DSO2512G - EEVblog
The Zeeweii DSO2512G is a popular 2-channel budget oscilloscope known for its compact size and high claimed bandwidth of 120MHz. While the device offers strong value, the community-driven firmware landscape is essential for getting the most out of its hardware. Latest Official Firmware Versions
Official firmware updates often address core stability, trigger modes (Auto/Normal/Single), and built-in signal generator settings. V1.3.0C: A common stable release found on many newer units. V1.2.8C+: An older stable branch still in wide use.
Key Features: Includes high-voltage protection up to 400V, a 4000mAh battery for 4 hours of use, and one-key AUTO adaptation. Community & Custom Firmware (ZeeTweak)
The enthusiast community has significantly expanded the device's capabilities through reverse engineering.
ZeeTweak by taligentx: This repository offers modified firmware and tools to enhance the user experience.
Screenshot Support: Adds cursor measurements to rendered screenshots and enables better data export.
CSV Generation: Allows users to generate waveform CSV files for external analysis.
UI Customization: Includes fixes for typos in menus and redesigned measurement labels for better clarity.
Secret Debug Mode: Accesses raw buffer dumps and arbitrary signal generator waveforms. Advanced Maintenance & "De-bricking"
For users comfortable with hardware, it is possible to interact directly with the device's SPI flash.
USB FEL Mode: By pulling specific data lines low or removing the SPI flash, you can enter a mode that allows reading and writing to the internal memory via USB.
Recovery: This method is primarily used to dump firmware or recover a device after a failed update. Performance Realities
Firmware can optimize hardware, but community testing highlights physical limits to keep in mind:
Actual Bandwidth: While marketed at 120MHz, expert testers on EEVblog suggest the effective bandwidth is closer to 35-40 MHz with standard probes.
Calibration: For the most accurate readings, firmware provides separate calibration parameters for different vertical sensitivities.
The firmware update process for the Zeeweii / SigPeak DSO2512G Go to product viewer dialog for this item.
is typically handled via a USB connection to a PC. Since this device uses a combination of ARM and FPGA chips, firmware updates are often used to improve measurement accuracy or add features like XY mode and signal generator synchronization. How to Check Your Current Firmware
Before updating, verify your current version to see if an update is necessary. Open the Menu. Navigate to Set.
Long press the V (CH1) button to display the version information. Firmware Update Guide The Zeeweii (or Sigpeak) DSO2512G is a popular
Note: Only update if your current version is experiencing bugs or significant measurement deviations, as a failed update can "brick" the device.
Download Firmware: Obtain the correct firmware file (often with a .bin extension) from the Official Zeeweii Download Page or reputable community threads like the EEVblog forum Connect to PC: Connect the to your computer using a high-quality USB-C cable. Enter Update Mode:
While the device is off, press and hold a specific button (often the OK or Auto button, depending on the revision) and then press the Power button.
The device should appear on your PC as a "Removable Disk" or "Mass Storage Device".
Transfer File: Drag and drop the new firmware file into the root directory of the connected drive.
Reboot: Once the transfer is complete, safely eject the drive and restart the oscilloscope.
Automatic Calibration: After an update, the device will usually enter an automatic calibration mode. You may need to manually confirm or adjust values during this process to ensure accuracy. Key Secondary Functions (Firmware v1.2.8C and newer)
Newer firmware versions enable several shortcut keys using the Power button as a modifier: Power + OK: Toggle XY Mode. Power + F1: Switch trigger level between Manual and Auto. Menu + Aux + Up (Long Press): Enable Overclocking Mode.
Menu + Set + ns (Long Press): Enable PC-USB mode for data transfer.
The most interesting "hidden" feature in the Zeeweii/SigPeak DSO2512G firmware is its undocumented overclocking mode, which allows you to manually widen the sample rate for better performance on higher frequency signals. Notable Firmware Features
Overclocking Mode: You can toggle this by entering the menu and holding the Aux + [Up] keys simultaneously. This pushes the device's sampling limits beyond standard factory settings.
Special Calibration Menu: In newer firmware versions, a long press of the Menu key grants access to a dedicated calibration interface. This allows for voltage and zero-point adjustments without needing the complex "power + button" startup combinations used in older units.
Custom "ZeeTweak" Mod: There is a community-developed firmware project called ZeeTweak on GitHub that adds several "interesting" capabilities not found in the stock software:
Arbitrary Signal Waveforms: Adds support for custom waveforms in the built-in signal generator.
Advanced FFT: Provides expanded FFT windows (Hann, Hamming, etc.) and automatic peak detection for up to 12 peaks.
Secret Debug Mode: Enables a "buffer dump" capture to pull raw data for external analysis.
Screenshot Repositioning: Recent updates fixed a common annoyance where the screenshot counter UI would block the actual waveform or cursor measurements. Performance Note
When using both channels, the firmware typically splits the processing power, reducing the bandwidth to 60MHz per channel. If you need the full 120MHz bandwidth, you must close channel two via the settings.
Title: Understanding DSO2512G Firmware: Updates, Hacks, and Cautionary Advice
The FNB-58 (DSO2512G) is a popular handheld oscilloscope known for its compact size and impressive feature set for the price. However, many users seek firmware updates to fix bugs, add features, or unlock hidden capabilities.
Here is an informative guide regarding the firmware situation for the DSO2512G.
DSO2512G.BIN or FNIRSI.BIN). Re-format the SD card using FAT32 with 4096-byte sectors.When you unbox a DSO2512G, it likely comes with a stock firmware version (e.g., S001 or S002). While usable, these early versions suffer from several known issues:
Manufacturers (typically FY6900-series OEMs or rebranders like Zotek, Hantek, or Farnaby) release firmware updates to fix these bugs. But the real magic comes from the open-source community, which has reverse-engineered the STM32-based hardware to create custom firmwares that add features, not just fix bugs.
Yes – the same procedure works with older .upd files. However, FNIRSI does not always keep older versions online. Always keep a backup of the original firmware that came with your device.
Remember to join the EEVblog forum thread "DSO2512G – full reverse engineering" and the /r/embedded subreddit for real-time help. And never, ever flash a firmware that mentions "DSO150" – that's for a completely different platform.
Now that you know everything about DSO2512G firmware, you can keep your oscilloscope running at its peak – or fix it when a flash goes wrong. Happy probing.
Resources mentioned:
dso2512g-community/stm32-firmwareWord count: ~2,450
The DSO2512G has become a favorite among hobbyists and electronics engineers for its impressive 120MHz bandwidth (single channel) and dual-channel capabilities at a budget-friendly price. However, as with many "Banggood-special" oscilloscopes, the hardware is often ahead of the software.
Updating your DSO2512G firmware is the single best way to improve trigger stability, fix UI bugs, and sometimes even unlock better sampling performance. Here is everything you need to know about the process. Why Update Your DSO2512G Firmware?
Out of the box, early units often shipped with firmware that struggled with:
Trigger Jitter: Waves "jumping" across the screen at high frequencies. Measurement Accuracy: Errors in Vpp and Frequency readouts.
System Hangs: The UI freezing when switching between XY mode and standard mode. Translation Errors: Confusing menu labels in English.
Newer firmware versions (v1.3 and above) generally provide a much smoother user experience and more reliable FFT (Fast Fourier Transform) calculations. Before You Start: Identify Your Version
Not all DSO2512Gs are identical. Some internal revisions use different chips (GD32 vs. STM32 clones). Turn on your device. Navigate to the Menu and look for System Info or About. Note down your current version (e.g., V1.1.8).
Warning: Flashing the wrong firmware version for your specific hardware revision can "brick" the device, leaving you with a white screen. Where to Find Official & Community Firmware
Since the manufacturer (Zeeweii) doesn’t always maintain a centralized English portal, the community has stepped in:
EEVblog Forum: The go-to source for the latest stable releases and custom-patched firmware.
GitHub Repositories: Search for "DSO2512G-Firmware-Archive" for older versions if you need to roll back.
Official Seller Pages: Sometimes AliExpress sellers provide a QR code or Google Drive link for the latest updates. Step-by-Step Installation Guide 1. Prepare the Hardware Signal Analysis : The firmware provides advanced signal
You will need a USB-C cable that supports data transfer (some cheap charging cables won't work). Most DSO2512G updates are performed via a virtual serial port or by dragging a .bin file into a mounted drive. 2. Enter Update Mode Most units follow this sequence: Power the device OFF.
Hold down the "OK" button or the "Auto" button (this varies by revision). Connect it to your PC while holding the button.
The PC should recognize a new drive named "Removable Disk" or "DSO2512G." 3. Flash the File Locate the firmware file (usually ending in .bin or .hex). Drag and drop the new file into the oscilloscope’s drive.
The device may disconnect and reconnect. Wait for the file transfer to complete fully. Power cycle the device. 4. Recalibration (Critical)
After every firmware update, you must recalibrate the device to ensure the zero-line is accurate. Disconnect all probes from the inputs. Select "Self-Cal" from the menu.
Wait for the progress bar to finish before touching the device. Troubleshooting Common Issues
White Screen after Update: You likely flashed a firmware version meant for a different hardware revision. Try flashing an older version or a "Universal" build.
Device Not Recognized: Check your cable or try a USB 2.0 port instead of USB 3.0, as some older bootloaders have timing issues with high-speed ports.
"File Too Large" Error: Ensure you are flashing a firmware file specifically for the DSO2512G and not its smaller sibling, the DSO1511. Conclusion
The DSO2512G is a powerhouse for the price, but it lives and dies by its software. Keeping your firmware current ensures you’re getting the most out of the 120MHz hardware. Always back up your current version if possible, and follow community threads closely for the latest "Gold Master" releases.
Updating the firmware on a Zeeweii DSO2512G is a technical process typically done to fix "AUTO" trigger issues or improve measurement accuracy. The official update method involves connecting the device to a PC via USB, but community-modified versions (like those from ) are often preferred for extra features. Prerequisites A High-Quality USB-C Cable: For data transfer (the charging-only cables won't work). A Windows PC: For the flashing software. The Firmware Files:
Usually provided by the seller or found in enthusiast communities like the EEVblog forum Backup (Recommended):
If you're using community mods, it's advised to dump your current SPI flash using an external programmer or USB FEL mode first. Update Procedure (Standard) Enter Update Mode Power off the device. Connect it to your computer via USB. Hold down the
button (or the specific boot-key mentioned in your version's instructions) while pressing the
button. The computer should recognize it as a "Winner Micro" or generic serial device. Run the Flashing Software Open the manufacturer's flash tool (often or a Python script like for advanced users). Select the correct assigned to your oscilloscope. Load the firmware image file (usually ending in Start the Flash Click "Download" or "Start." Wait for the progress bar to hit 100%. Do not disconnect the cable during this time, or you risk bricking the device. Recalibrate Once finished, restart the oscilloscope. Manual Calibration
(often found in the menu) to ensure the voltage levels and triggers align with the new software. Key Considerations PCB Version:
Check your PCB version (e.g., V9.1) before flashing. Some firmware versions are only compatible with specific hardware iterations. FPGA vs. ARM:
Some updates (like V1.3.0C) require you to upgrade both the ARM firmware and the FPGA firmware. Failure to do both can cause the "AUTO" mode to malfunction. "If it ain't broke":
Many users report that unless your unit is significantly out of spec (>3% deviation), updating may not be necessary and carries a small risk of bricking. latest firmware version currently available for your specific PCB version?
taligentx/ZeeTweak: Reverse-engineered firmware ... - GitHub
The Zeeweii DSO2512G is a popular 120MHz dual-channel handheld oscilloscope. Because it uses a combination of an ARM MCU and an FPGA, it has become a target for community reverse-engineering and custom firmware tweaks. 🛠️ Community Firmware & Tools
The most significant development for this device comes from the open-source community, specifically the taligentx/ZeeTweak project on GitHub.
ZeeTweak Utility: A Python-based tool designed to modify official firmware files. Key Features:
Custom Waveforms: Users can generate and inject custom waveform patterns into the built-in signal generator.
UI Fixes: Corrects typos in the "Normal" trigger message and calibration labels.
Graphics Modding: Allows users to view and replace 1-bit and 16-bit (RGB565) images/icons used in the interface. ⚠️ Important Compatibility Warning
Before attempting any firmware updates or mods, you must check your hardware revision.
PCB V10.1-III and newer: These hardware versions replaced the standalone FPGA with an MCU/FPGA combo chip.
Incompatibility: Community modded firmwares (like V1.3.0C) are not compatible with these newer boards and can lead to a "black screen" or improper trace behavior.
Safe Check: If your device currently has firmware V2.0.1-III or higher, it is likely the newer hardware revision. 🔄 Firmware Update & Recovery
Official firmware updates are typically distributed via the manufacturer's support site. Manual Update Process Connect the to your PC via USB.
Hold the appropriate button (often the Auto or Menu button) while powering on to enter USB Mode. The device should appear as a removable drive. Copy the new .bin or firmware file to the root directory. Power cycle the device to trigger the update. Emergency Recovery (FEL Mode) If a firmware update fails and the device won't boot: The ARM chip supports USB FEL mode.
This can sometimes be triggered by pulling specific pins (like CS on the SPI flash) low during startup, allowing you to rewrite the flash memory via USB. 📈 Optimization Tips
Community members on the EEVblog forum suggest several software-based improvements:
Calibration: Always perform a manual calibration after a firmware update to ensure measurement accuracy.
FFT Mode: Newer firmware versions have improved FFT (Fast Fourier Transform) visualization for frequency analysis.
Filter Logic: Use the "Normal" trigger mode to keep the last captured signal on the screen when pressing the Stop button. If you'd like, I can help you: Draft a specific post for a forum like EEVblog or Reddit.
Find the latest official firmware link for your specific hardware version. Walk through the Python environment setup to use ZeeTweak.
Which hardware version (V_..) and current firmware are you working with?