Change Log

Known Issues

  • General workaround for issues: delete and reinstall the app.
  • License Activation problems found for some phones.
    Workaround: remove/close the app from Android tasks list and restart the app.
  • Feb 2019: Device not recognized after upgrade to Android 9 (Pie).
    Workaround: Unknown. It seems after some phone upgrade to Android 9 the USB OTG stops to work. Nothing is recognized.

TODO List

  • Advice for low sampling rate respect signal frequency.
  • Reference signal cannot enabled when HS101 connected by Bluetooth.
  • Add legend to cylinders timing overlay.
  • Enable CH-0 move on Automotive Module
  • Statistics hide away when the signal change –> keep on the screen
  • AUTO option in Rate (change according zoom level)
  • On saved file add information on enabled digital channels
  • Better Waveform Management for manage many files

2.4.4 (434 Beta) May, 2024

Current issues

  • When WiFi is enabled in HScope and no device is connected the file opening crash. Workaround: connect an oscilloscope or disable WiFi in HScope settings.

Improvements

  • Better zoom and scroll function
  • Improved THD function (Audio Module)
  • Improved Notes with better text on multiline management
  • Improved waveform save speed
  • WAV files can be imported also in Automotive Module up to 4 channels
  • Improved Flags (can create flags manually and numbers are recomputed after moving or adding flags) (Update 2024)

Fixed bugs

  • Notes position not correct in Oscilloscope mode, after loading
  • Cut waveform in Automotive mode did not move correctly Notes and Flags
  • Wrong XML formatting in some case for the HXML files
  • Crash on reset HS502 calibration data
  • Crash on WAV files import

2.4.3 (429) Apr, 2024

Improvements

  • New device supported: WitMotion WT9011
  • Added velocity stat for Accelerometers (in mm/s)
  • Upgraded RS232 UART decoder (digital module – update 2024)
  • New RS485 MODBUS decoder (digital module – update 2024)
  • New LIN decoder (digital module – update 2024)
  • Better labels for vertical cursors (update 2024)
  • Report supports longer file names
  • Improved CAN decoder
  • Channel 1 can be moved in Automotive Mode
  • Higher resolution design for bigger screens
  • Upgraded digital module management (major upgrade)
  • Added modules and settings button in Automotive Module
  • New Share via Cloud V2.0
  • UART decoded signal can be Exported in .CSV

Fixed bugs

  • HS101 Bluetooth oscilloscope did not work on latest Android versions (> O version)
  • HS-ACCEL DIY version could not connect
  • Issue in scaling Math Channel in Automotive module
  • Fixed driver for Hantek 6074
  • Could not enable bluetooth in Android 14
  • Crash due to Bluetooth in some device
  • Crash in report creation in Automotive mode
  • Bluetooth authorization not recognized for devices without GPS
  • Fire Order Overlay could not move well in some case

2.4.2 (408) Dec, 2023

Implemented enhancements

  • Added inH2O unit for probes
  • Optimized CC-80 Current Probe settings (need to download again the probe configurations)
  • Added Zoom behaviour option among XY or only Y (Update 2023)
  • Removed auto zoom and time set on acquisition start (the screen keep last zoom level and position)
  • Added Amplitude Zoom on mouse wheel scroll
  • Automotive Pages for high rates (Update 2023)
  • Improved Zero Offset function in Automotive Module (at acquisition start)
  • Improved vertical cursors (can enable/disable labels)
  • Improved Automotive view management
  • Can set/load/save Report Title for each waveform (Update 2023)
  • Automotive module don’t hide scroller during recording
  • FFT data can be exported to CSV (Update 2023)
  • Digital channel can be used in Automotive Module
  • Flag button trigger also Automotive Manual Start
  • Improved messages for Bluetooth Trigger Button

Fixed bugs

  • Wrong voltage values for FOSC53B
  • Automotive waveform disappear in some case (ie. if inverted)
  • Update 2023 button did not appear in some case
  • HS502 multiplier could not be calibrated (now need to use stabilized 5V source)
  • Stats wrong for channel > 1 (Automotive Module)
  • HS-ACCEL (DIY edition) has wrong units (V instead of G)
  • Automotive Zero Level has wrong values
  • Math module bug in Automotive Module
  • Empty visualization on loaded file in Automotive Module
  • Oscilloscope mode could not load files first time without oscilloscope connected or Demo mode
  • Menu UI fixed for Android 13
  • Crash in Android 14
  • Cloud service don’t work
  • HS402 wrong values on start for V/A device
  • App restart when Bluetooth device get connected or disconnected
  • HS502 freeze on voltage change + roll-mode + trigger
  • Automotive mode auto-size waveform function (3) did not work

2.4.2 (389) Sep, 2023

Implemented enhancements

  • Some design detail improved
  • Updated Google and Huawei libraries at latest versions
  • Duty Cycle Math function (update 2023)
  • Support for new Fosc53C WiFi oscilloscope
  • Support for new HS512
  • Added Time/Div control in Automotive Module (update 2023)

Fixed bugs

  • HS502 block in some case
  • Wrong pin for custom AC/DC mod on Hantek 6022BL
  • Automotive Module not enabled for HS502 in case the user has no other licenses
  • Wrong calibration data for latest LOTO OSC-H02

2.4.2 (380 Beta) Mar, 2023

Implemented enhancements

  • HS402 supports new hardware variation (V/A Logger)
  • System Settings show also Data and Cache size and allow to clear the cache (Update 2022/2023)
  • Improved file manager performances (need to clear the cache first time after update)
  • New Histogram stats function (Update 2022/2023)
  • Probes Management keep always x1 probe

Fixed bugs

  • HS402 rate error when enable/disable channel
  • Math Module issues in Oscilloscope Mode
  • Digital module did not show the list of available analog channels
  • HS502 Licensing
  • Crash on Math Channel statistics

2.4.1 (375) Feb, 2023

Implemented enhancements

  • HS502 can run on any android device without app store
  • Better colors for Horizontal Cursors on White Background
  • File Explorer show the presence on the Digital Channels in the waveform
  • Better visualization for Calibration Data
  • Better Fire Order Overlay design (Automotive Module)
  • Filters introduce zero-phase shift
  • Improved WAV exporter
  • Improved Math Demodulation function
  • Can apply filters to the result of Math operation (Update 2022/2023)
  • Improved Logger UI
  • Added support for Fosc53B

Fixed bugs

  • HS402 fast switch of rates caused halt
  • HS502 asked license for some new feature
  • Automotive module could not save waveform in some case
  • Horizontal cursors did not work in some case
  • Automotive module wrongly show Digital Channels in some case
  • HT 1008 fixed data error if started with 4 channels
  • Logger CSV import crash
  • Logger channels not updated according selected probe
  • Signal Invert Filter issue (button don’t reflect the actual status)
  • Filters not working is some condition in Automotive Module
  • WAV exporter crash in some case, data could be corrupted
  • Report didn’t show Math channel info in Automotive Module
  • Solved bugs on Logger

2.4.0 (363) Dec, 2022

Implemented enhancements

  • Custom Channel Names can be imported from file
  • Channel Names and Probes are automatically imported when SET an existing working folder
  • Channels signal can be inverted with Filters (Update 2022/2023)
  • Can add pictures to the Waveform from the phone Gallery (Update 2022/2023)
  • Can delete pictures from the Waveforms (Update 2022/2023)
  • Add cursor stabilizer for 360/720 Automotive Tool
  • Possibility to set Automatic or Manual start for Automotive recording (Update 2022/2023)
  • Auto-Update Waveform list when the Document Folder is modified outside HScope (Update 2022/2023)
  • Digital Module can convert result of the Math Module to digital signal and process (i.e. for CAN)
  • Digital Module: improved analog to digital conversion
  • Improved PDF Report
  • Better control of 720/360 graph (measurement cursor has the priority over the side cursors)

Fixed bugs

  • Problems when using a device without Google Play
  • Crash for HS-ACC in some case
  • Filter let signal disappear in roll mode
  • Crash on set app folder
  • Waveform preview image did not refresh when overwrite waveform
  • Digital signals could not be loaded from saved waveform
  • Cloud ID could not be copied automatically from clipboard in some case
  • Bluetooth permissions on Android 12
  • Crash if selected the wrong documents folder
  • Overvoltage was not shown correctly
  • Crash with several dialogs
  • Bugs on Digital Module
  • PWM window could not resize correctly according menu width
  • Re-save waveform did not keep the photos

2.3.9 (346) Ago, 2022

Implemented enhancements

  • Automotive Module: is it possible to set the allocated RAM up to 2GB (Update 2021/22)
  • Enhanced Automotive Module performances.
  • Correct visualization of FPS statistic.
  • Enhanced freq function (Automotive module)
  • Automotive Module auto-zoom consider the actual data range (relative range for a better zoom)
  • Waveform explorer can load single files (HScope .zip format)
  • Enhanced white theme in Data Logger page
  • Normal Trigger allowed in Roll Mode (HS402 and Hantek 6074) (Update 2021/22)
  • Enhanced XY module: better auto-viewport, point measure, possibility to set V/div (Update 2021/22)
  • Avoid Labels overlap in Vertical Cursors
  • Labels on vertical cursors can be hidden in 100/360/720 deg. Tool
  • Automotive Module can export PDF Report (Update 2021/22)
  • Possibility to change Probes order (Update 2021/22)
  • Can open HScope ZIP files from other apps to HScope (Update 2021/22)
  • Improved DataLogger
  • Improved PDF Report with probes information and waveform author, channel coupling, filters, notes
  • Can import digital data from saved waveforms
  • Improved Probes Cloud Downloader to work also Offline
  • Improved Performances / Memory usage
  • Can add photos to the Waveforms files
  • Added support for Android 12
  • Added CAN Decoder (Digital Module)
  • Supported latest OWON 1022 hardware
  • Improve Math Demodulator to adapt automatically to the signal
  • Improved PDF Report
  • Added possibility to rename Channels
  • Automotive Channels can hide if not used
  • Channels can be hidden when load a waveform
  • Can trigger on Channel-3 & 4 in case Channels-1 and 2 are OFF

Fixed bugs

  • Fixed crashes on Automotive module due to lack of memory.
  • Fixed rates for Hantek 6074, crashes with roll mode trigger
  • Crash on too much memory allocated for Automotive Module
  • PDF Report export is not recognized in Google Drive
  • Load waveform button did not work in Data Logger page
  • Bug on XY Module – frequency relation data wrong in some case, graph Y unit wrong in some case, wrong data export, wrong thumbnail image
  • Wrong voltage selection on Channel 2 – Automotive Module
  • Crash in phones with limited RAM when they import waveforms generated with phones with larger RAM
  • XY Module: Delay computation run indefinitely also after module close
  • Wrong Labels position in Vertical Cursors with 2 channels
  • Imported waveform could not be filtered in Oscilloscope screen
  • Crash for Hantek iDSO1070
  • Voltmeter color error (stays always red after first time)
  • Fixed crash on Freq function (Automotive Module)
  • Fixed trigger on Channel-2
  • Flags could not be removed on new acquisition or file loading

2.3.8 (305) Apr, 2022

Implemented enhancements

  • New driver for Hantek DSO-2xx0 Oscilloscopes (DSO-2090, DSO-2150, DSO-2250)
  • Added Flag tool during Automotive recording (Update 2021/22, see guide for usage)
  • Notes content can be changed
  • Flags can be saved/loaded
  • 720 Degree Tool cursors can be moved also on the top part of the screen
  • Scroller Window is hidden during Automotive recording and then restored
  • Waveform position and zoom is saved and can be loaded
  • Turned OFF Channels get reduced in Oscilloscope mode
  • Voltage ranges for each channel is more “user friendly”
  • Voltmeter show Duty Cycle
  • White color scheme for Voltmeter
  • Enhanced 720 degrees graph
  • Enhanced Phosphor effect
  • Enhanced Cloud waveform sharing
  • Enhanced contrast in White UI for AC/DC/OFF buttons
  • New report created on screenshot for Oscilloscope screen (update 2021/22)
  • Enhanced notes tool (update 2021/22)

Fixed bugs

  • Issue on ON/OFF button for Math panel in Automotive module
  • Automotive Labels tool graph outside graph area
  • Horizonal Cursor values was not referred to the axis unit (did not scale)
  • Wrong visualization of Channel 4 panel in Automotive screen
  • Normal/Single Trigger did not work on ISDS205.
  • THD Processor remove DC component for more accurate result.

2.3.7 (291) Oct, 2021

Implemented enhancements

  • Possibility to set Waveform name upon Save
  • Audio Module can import WAV files (Update 2021)
  • Added the THD calculator in the Audio Module (Update 2021)
  • Added 0-100% vertical cursors
  • Math Module output display some known units as result of the operation (Watt, Ohm)
  • Added Time column in CVS Export
  • Added BandPass and BandStop Filters
  • Better text input dialog (for file names and other)
  • Hantek 6022 (BE/BL) added hardware option for AC Coupling
  • Waveform scroller can be zoomed with fingers. Added position of cursors and tools.
  • Improved digital module
  • Digital data can be saved / loaded together with analog data
  • CSV can exports up to 4 channels data
  • Added dialog to confirm file deletion
  • Automotive module can record digital data
  • Audio module allow to use microphone to acquire data
  • Hantek 6074 real-time rate up to 125KSa/s with 4 channels
  • Hantek 6074 supports Audio Output
  • Improved Auto Voltage function
  • Optimized freq() function (Math Module)
  • Better arrangement for Probes on Cloud

Fixed bugs

  • Crash on file export in other formats (XML, CSV, WAV)
  • Crash on folder import on Android 8
  • White color for PWM Module
  • Font size in logger graph
  • Crash in case load a waveform just with second channel
  • Crash on save waveform after loading
  • AUTO Voltage did not work with FX2 Experimental Mode
  • Hantek 6074 input voltage wrong when enable channel
  • Channel 4 voltage selector did not show correctly
  • Autoscroll in Automotive Module

2.3.6 (274) Sep, 2021

Implemented enhancements

  • 360′ Tool show also RPM information
  • Added 1 decimal to Duty Cycle value
  • iDSO1070 added lower rates (slow rates, 1, 2, 5KSa/s)
  • Waveform Explorer can zoom the thumbnails (Update 2021)
  • Automotive Module shows units for loaded waveforms

Fixed bugs

  • Waveform loading did not remove previous tools on the screen
  • Wrong data read for old saved waveform (2019)
  • Vertical cursors cannot be used on loaded waveforms
  • Visualization error in statistic (of second type)
  • Horizontal cursors did not move in FFT
  • Crash in Automotive module (in some case)
  • Automotive module did not show Channel-4
  • Color error in 360 and 720 Tools
  • XY Plot button not enabled
  • Saved files did not show in Data Logger
  • Automotive Module saved empty files from second save
  • Data logger could not open saved CSV for some locale

2.3.6 (269) Aug, 2021

Implemented enhancements

  • Added Math computation to Automotive Module (Update 2021)
  • Automotive Module allow to set zero offset before recording starts (Update 2021)
  • Added 4 Channels support for Hantek 6074
  • Added support for new HS-ACC WiFi Accellerometer
  • Added 360° Automotive Tool
  • Enhanced Automotive Label Tool
  • Improved Automotive Fire Order Tool
  • Menu size can be configured (both Oscilloscope and Automotive screens)
  • White UI (both Oscilloscope and Automotive screens) (Update 2021)
  • Added filter buttons in Automotive menu
  • Show distance among 3 horizontal cursors
  • Interface buttons hidden when take screenshot
  • Improved load/save data speed
  • Channels can have arbitrary names (according hardware)
  • Added info on the memory available for the app (in Settings->System. Device dependant)
  • Don’t need DEMO mode to open and process saved waveforms
  • File explored detect correct file versioning

Fixed bugs

  • Document folder link loose on phone reboot
  • DSP Filter error at the beginning of the Waveform
  • Save calibration data crash on Android < 10
  • Waveform align buttons didn’t work when Math module is enabled with just 1 channel
  • Filters and Math operations can be applied just 1 time in Automotive Module
  • Crash due to lack of memory in Automotive Module
  • PSO2020 wrong hardware settings when connected the device
  • Crash on Automotive module new Zero Offset feature
  • Cloud Download did not save file in Public Folder

2.3.5 (245) Jun, 2021

Implemented enhancements

  • HS402-Wifi DIY Oscilloscope driver – faster WiFi connection
  • Added support for Android 11 (new file management)
  • Screenshot on the voltmeter screen take all the controls
  • Added Gravity unit (G) for accelerometer sensors

Fixed bugs

  • Calibration Multiplier crash for OFF channels
  • Calibration error for HT1008
  • Wrong number of samples for HT1008
  • Crash on file delete (new file management Android 10+)
  • Data Logger wrong MAX and MIN values in some case

2.3.4 (235) Apr, 2021

Implemented enhancements

  • HS10X supports PWM output (it requires Firmware v10.2)
  • HS402-Wifi DIY Oscilloscope driver
  • Data can be exported also from XY Module.
  • XY Module can show also data saved.
  • Improved Labels Tool buttons
  • Improved Settings screen, added a specific section for Oscilloscope settings
  • Improved Vertical Cursors & disable Auto Vertical Cursors
  • Extended export capabilities of the CSV format up to 1ML samples (old license owners requires Update 2020)
  • Faster UI coloring for channels
  • Added Cloud sharing for saved Waveforms, improved Cloud Waveform Downloader
  • Improved visibility of values on the Vertical Cursor
  • Bigger buttons, enlarged Settings menu and texts for Tablets
  • FFT allow to select the active channel, UI updated
  • Math integrate new Demodulation function (for low frequency, eg. vibration sensor)
  • Added statistics for 2 Vertical Sensors
  • Added Harmonic Cursors for FFT Vertical Ruler

Fixed bugs

  • DUAL mode not working for HS10X
  • Bug on duty cycle
  • Bugs with Automotive Module (wrong scaling, crashes,…)
  • FPS did not show after next app openings
  • Block on HS402 WiFi if it starts with DEMO running
  • HS402 annotation for current adc resolution (HD512, HD1024,…)
  • Crash on Automotive Labels Tool if selected labels < 2
  • Crash on Automotive Tools (if opened many times)
  • Data Logger wrongly ask license when try to open files
  • Wrong event management on channels graph lead to errors
  • Wrong values for Horizontal Cursor in second scale
  • Fixed FX2 Experimental Mode for Loto OSCA02 and OSC802
  • Fixed wrong text position on the vertical cursors
  • Could not click on + button after enabling the Automotive Labels tool
  • Wrong button size in automotive tools (Labels and Fire Order tools) after change font size
  • XY Graph size issues for big screens (eg. Tablets)
  • Horizontal Cursor alarm icon disappear after click
  • FFT disappear in some case, UI issues.

2.3.2 (211) Jan, 2021

Implemented enhancements

  • Implemented 4 Channels management (Oscilloscope Mode, Automotive Module, Import/Export)
  • Updated Automotive Module UI
  • Hantek 1008 support 4 channels (old license owners requires Update 2020)
  • Improved 720 Degree Automotive tool
  • Improved XY Module (old license owners requires Update 2020)
  • Improved HS402 driver (real-time rate)
  • Math module signal can be moved in the screen
  • Signals can show infinity values (due to operations with Math module)
  • Increase channel modification timeout to 3secs.
  • Improved axis labels

Fixed bugs

  • Fixed bug on crash when probe deleted
  • Fixed wrong scaled when resize channel
  • Fixed Math module doesn’t show
  • Fixed crash on Math module if used with other 4 channels active
  • Fixed voltage spinner on probe change
  • Fixed bug on Hantek 1008 crash