Posts Tagged ‘oscilloscope’

Hantek PSO2020 is a $53 USB Oscilloscope Pen

September 15th, 2017 2 comments

I previously covered IkaScope & Aeroscope oscilloscope probes that are both portable and connect wirelessly to your mobile device or computer over respectively WiFi or Bluetooth. The former has slightly better specifications and sells for 300 Euros, while the latter goes for $200 US with 20 MHz bandwidth and 100 MSps capabilities. Several people mentioned it was more expensive than they were prepare to pay, but I’ve been informed about another portable solution: Hantek PSO2020 oscilloscope pen with about the same key specifications as Aeroscope 100A, except it relies on a USB port instead of a wireless connection. This also means it does not need a battery, and sells for much less at $53.20 including shipping.

Hantek PSO2020 specifications:

  • Analog Bandwidth  – 20 MHz
  • Sample Rate – 96 MSps
  • Host Interface – USB 2.0 port
  • Input Range – +/-50 V range
  • Input Sensitivity – 20mV/div to 50V/div
  • Offset Range – +/- 20V to +/- 40V offset
  • Input Impedance – 1MΩ
  • Voltage Resolution – 20mV/div to 20V/div
  • Sample Resolution – 8-bit
  • Time Resolution –  1ns/div to 5000s/div
  • Memory Depth – 1 million points
  • Protection Input Level – 100V (DC+AC peak)
  • Misc – Rotary button to change voltage/time division; voltage, offset, position, time, plus, minus, and R/S buttons; LED
  • Dimensions – N/A

The oscilloscope ships with a “witch hat”, and a CD ROM with documentation and software that works on Windows XP and greater operating system, and supports various features including math functions like FFT or Hann function, cursor measurements, and so on. You can also download those directly from the manufacturer’s product page. The device is not listed in Sigrok wiki, but other Hantek USB oscillopes are, so it might be possible to use with Sigrok open source tool. The pen has been available at least since 2015, but I could not find any (detailed) independent reviews, however the video below shows how PSO2020 in action while connected to a laptop running the Windows based tool.

It’s fairly large so I’m not sure it’s that convenient to use. Having said that people who bought it on Aliexpress appear to be pretty happy with their purchase. The few “reviews” left on Banggood are also good.

Thanks to Theguyuk for the tip

IkaScope WiFi Oscilloscope Probe Works with Windows, Linux, Mac OS X, Android and iOS

September 13th, 2017 11 comments

Last year, I wrote about Aeroscope, a portable Bluetooth oscilloscope that looks somewhat like a Stabilo Boss highlighter pen, and sends measurements over the air directly to your Android and iOS tablet or smartphone. It was introduced through a crowdfunding campaign which eventually failed, but Aeroscope can now be purchased for $199 on Amazon US or their own website. If you’d prefer WiFi over Bluetooth, and would like something that also works on Windows, Linux, and/or Mac OS X, IKALOGIC has just launched IkaScope WiFi oscilloscope probe compatible with all popular mobile and desktop operating systems.

IkaScope WS200 specifications:

  • Analog Bandwidth  – 30 MHz @ -3dB
  • Sample Rate – 200 MSps
  • Connectivity – 802.11 b/g/n/e/i WiFi @ 2.4 GHz configurable as access point or station
  • Input Range – +/-40 V range CAT1
  • Offset Range – +/- 20V to +/- 40V offset
  • Input Impedance – 10MΩ || 14pF
  • Input Contact – ProbeClick intelligent probe tip that will only start measurements upon contact
  • Voltage Resolution – 100 mV/division to 10 V/division
  • Sample Resolution – 8-bit
  • Max Refresh Rate – 250 fps
  • Memory Depth – 4K points (4x 1000 points for burst buffers)
  • Protection Input Level – 253 VAC 1min
  • USB – Isolated micro USB port for charging only
  • Misc – Power/Charging and WiFi status LEDs
  • Battery – 420 mAh battery good for about 1 week battery life with daily regular use.
  • Dimensions – 161mm long

IkaScope specifications are slightly better than the ones of Aeroscope when it comes with analog bandwidth and sample rate for example, but the battery capacity is lower. However,  the latter is likely more than compensated by ProbeClick technology that will only measure when a contact is detected, hence saving power during idle times. One advantage of WiFi over Bluetooth is that it allows for a higher refresh rate up to 250 fps.

The probe ships with a ground clip and a USB charging cable. OS support will be brought step by step starting with Windows, but Linux, Mac OS X, iOS, and Android will all be supported by November 9th if the schedule’s deadlines can be met, and all desktop OK will be supported by the end of September before shipping. More details about the software can be found in IkaScope knowledge base.

IKALOGIC has started taking pre-order for IkaScope for 299 Euros excluding VAT and shipping scheduled by the end of the year. “EARLYBIRD” coupon valid until the 20th of September will power the price by 10%.. Some more information, and the purchase link are available on the product page.

$79 Digilent OpenScope Open Source Multi-function Programmable Instrument Works over USB and WiFi (Crowdfunding)

February 1st, 2017 8 comments

Digilent OpenScope is an open source, portable, multi-function programmable instrument used for capturing, visualizing, and controlling analog and digital signals, that works with your smartphone or computer over USB or WiFi, and it can also be used in standalone mode as a development board, like you would use an Arduino or Raspberry Pi board.

OpenScope MZ key features and specifications:

  • MCU – Microchip PIC32 MZ (MZ2048EFG124) MIPS Warrior M-class micro-controller @ up to 200 MHz with 2048KB flash, 512 KB RAM
  • External Storage – micro SD slot
  • Wireless Connectivity – WiFi module
  • USB – 1x micro USB for power and programming over FTDI
  • Programming / Debugging – micro USB port, programming header
  • Expansion – 30-pin Fly Wire connector with:
    • 2x scope channels with 12 bits @ 2 MHz bandwidth and up to 6.25MS/s sampling rate
    • 1x function generator output with 1 MHz bandwidth and up to 10MS/s update rate
    • 10x user programmable DIO pins up to 25 MHz update rate
  • Misc – 4x user LEDs, programming and reset buttons
  • Power Supply – via micro USB or ext pin; programmable power supplies up to 50 mA and +/- 4V

The platform can be used with (soon-to-be) open source, web based Waveforms Live multi-instrument software written in JavaScript and allowing you to  use OpenScope as an oscilloscope, a function generator, a logic analyzer, a power supply, or a data logger.

Since the software runs in a web browser it will work with most operating systems including Linux, Windows, Mac OS X, Android or iOS. As mentioned in the introduction, OpenScope is also a development board, and can be programmed using the Arduino IDE or Microchip MPLAB-X IDE. The company will provide  a programmer’s guide, and make PIC32MZ firmware, the agent source code, the browser app for Android & IOS, the communication protocol, and the JavaScript API available on Github

Digilent launched OpenScope on Kickstarter, where the board can be backed together with a 3D printed enclosure for $79. An “OpenScope Learning Edition” is also offered for $150 with a “parts kit with workbook example”, but no details have been provided for the latter. Delivery is planned for June or August 2017 depending on selected reward, and shipping is free to the US, but adds $20 to the rest of the world.

BitScope Blade Industrial Mounting & Power Systems Support Up to 40 Raspberry Pi Boards

January 27th, 2017 12 comments

BitScope Designs, a manufacturer of embedded mixed signal test, measurement and data acquisition systems, has announced the launch of a new models of their industrial desktop, rack or wall mountable power and mounting power systems with BitScope Blade Uno, Duo, and Quattro supporting respectively 1, 2 and 4 Raspberry Pi 3/2/B+/A+ boards. The blades can also be mounted in a 19″ rack with up to 40 Raspberry Pi boards.

The three systems share many of the same specifications:

  • Power Supply

    40 Rapsberry Pi Rack with (Older Versions) of BitScope Blade Quattro

    • Unregulated 9V to 48V DC power, compatible with most 12V & 24V UPS, most DC solar power systems
    • 4A (peak) switch mode supply built-in
    • 2.1mm socket or industrial power tabs
    • Can be used with low cost passive PoE,
    • Can power external USB, HDD & SSD
    • 5V auxiliary power for example for Pi Display
  • Expansion& I/O ports
    • Full access to RPi’s I2C, SPI, UART & most GPIO
    • Slot for camera connector for each Pi
    • HDMI and audio accessible from Pi in BAY one
    • Blade HUB I/O expansion sockets for each Pi
    • Compatible with BitScope CAP industrial I/O
  • Mount System
    • Rack mount to build compute cluster solutions
    • 4 x 3mm tabs and wall mounting stand-offs

Wall Mounted BitScope Blade Duo (Older Version) with2 Raspberry Pi boards

Each model also has specific features:

  • BitScope Blade UNO (BB01B)
    • Designed for one Raspberry Pi and one HAT
    • Power and connect up to 4x BitScopes
    • Raspberry Pi power control header,
    • 2x USB power sockets
  • BitScope Blade DUO (BB02B)
    • Designed for 2x Raspberry Pi boards
    • Power and connect up to 8x BitScopes
    • Individual power and reset inputs for each Pi
  • BitScope Blade QUATTRO (BB04B)
    • Designed for 4x Raspberry Pi boards
    • Power and connect up to 16x BitScopes
    • Individual power and reset inputs for each Pi.

Back side of BitScope Blade Duo – Click to Enlarge

The HUB CAP expansion sockets are used to connect BitScope mixed signal scopes & analyzers, which can be controlled by BitScope DSO software running on the Raspberry Pi board with oscilloscope, logic analyzer, wave generator, and other modes of operation.

You’ll find a few more details on the press release, and the new BitScope Blades can be purchased exclusively on Element14 starting at 32.5 GBP (~$41 US). BitScope also has a “Blades” product page, but it is currently referring to the older versions.

Espotek Labrador is s $25 5-in-1 Lab-on-a-Board with Oscilloscope, Waveform Generator, etc… (Crowdfunding)

September 7th, 2016 5 comments

We’ve already seen ultra cheap (and low end) electronics lab tools like DSO138 oscilloscope kit for $23, or the $5 USB123 USBee AX logic Analyzer, but EspoTek Labrador combines 5 electronics lab equipments into a single board that claims to act as an oscilloscope, a waveform generator, a variable power supply, a logic analyzer and a multimeter for just $25.

Espotek-LabradorEspoTek Labrador specifications and key features:

  • MCU – Atmel ATXMEGA32A4U 8-bit AVR MCU @ 32 MHz with 32KB flash, 4KB SRAM, and 1024 bytes EEPROM
  • Functions
    • 2 channels oscilloscope up to 750ksps, ~100kHz bandwidth, -20 to +20 V range
    • 2 channels waveform generator up to 1 MSPS supporting sinusoidal, square, triangular, sawtooth, and arbitrary waveforms
    • 4.5 to 15V power supply up to 1.5W max
    • 2 channels logic analyzer up to 3 MSPS per channels
    • Multimeter with voltage, intensity, resistance, and capacitance functions
  • USB – micro USB port to connect to PC / board running software
  • Power Input – 5V via micro USB port
  • Dimensions – 38 x 31 mm
  • Weight – 10 grams

The board needs to connected to a Windows, Mac OS X, or Linux computer via its micro USB port in order to be controlled by the custom software provided by the company and demonstrated in the video below in all 5 modes. Hardware files and source code can be found in Github.

The Labrador project is fundraising now on crowdfunding platform CrowdSupply, where it has raised 66% of it’s $9000 goal so far. You’ll need to pledge $25 for the Labrador, and discount are available for larger quantities. Shipping is already included in the pledge, the campaign ends on October 20th, and the boards are expected to ship before the end of the year.

GradientOne Brings Oscilloscopes, Spectrum Analyzers, Frequency Generators… to the Cloud

July 29th, 2016 No comments

Nowadays, product development often involves working with teams spread across the world, with for example hardware development in the US, software development in India, and manufacturing in China. Resolving issues may require several members of the teams to gather data and work together, and beside the distance issue, you have to handle different timezones too. GradientOne may help facilitating hardware and firmware debugging by connecting test equipments such as oscilloscopes, spectrum analyzers, frequency generators and others to the cloud, so that data can easily be shared, and any member of the team control the equipment remotely, even automatizing measurements if needed. It could also be useful to field application engineers who may bring portable equipment to the customer premises, and have one engineer investigate issues remotely.

GradientOneThere are two ways to integrate equipment with GradientOne:

  • Web user interface to control instruments, set parameters (e.g. trigger, acquisition type, etc), via the web interface.

The company already did the hard work, and current supports Tektronix MDO3000 series oscilloscopes + function generator, Tektronix MDO4000/MSO200/DPO 2000 & DPO 4000 series oscilloscopes, as well as Agilent/Keysight U2000 power meters, and more support is planned for Agilent 859xA/B series spectrum analyzers, Agilent 8340/1 A/B RF signal generators, Chroma 62000P series power supplies, Agilent 34401A digital multimeters.


Customer will benefits from data storage, organization, search, reporting, collaboration, signal replay, etc… through the interface.

  • API to work with any existing test script to support sending test data and instrument configuration to GradientOne cloud as well as retrieve the data/configuration.

The HTTP(S) & JSON API is useful to add instruments not yet supported by the Web UI, and for customers who want to keep using their existing instrument scripts but securely (OAuth 2.0 authenticate) store and retrieve data from GradientOne cloud.

The promo video below quickly shows some of the features of GradientOne service.

The company also offer on-site or online (Google Hangouts) live demos to interested companies. More details can be found on GradientOne website.

Aeroscope is a Bluetooth 4.1 Wireless Oscilloscope Probe Using your Android Tablet or iPad for Display (Crowdfunding)

June 15th, 2016 5 comments

Oscilloscopes used to be rather bulky equipment, but recent full featured oscilloscopes have come down in size, and even become portable and battery operated with products such as DSO Quad. But since many of us already own Android tablets or iPads, Aeroscope wireless oscilloscope probe is quite a neat solution as it transmits images of the waveform over Bluetooth 4.1 to your tablet.

AeroscopeAeroscope specifications:

  • Analog Bandwidth  – 100 MHz
  • Sample Rate – 500 M samples/second
  • Connectivity – Bluetooth 4.1 with 200-ft range
  • Input Range – +/-40 V
  • DC Accuracy – +/- 3%
  • Offset Range – +/- 40V or +/- 20V offset for 20mV/div setting
  • Sample Memory Depth – 10k
  • Input Impedance – 10MΩ || 12pF
  • Resolution – 20 mV/division to 10 V/division
  • Battery – 950 mAh battery good for 4 to 8 hours of use depending on settings
  • Activity sensor – (for extended use)
  • Dimensions – 118 x 30 x 20 mm
  • Weight – 50 g


The development of the iOS app is complete, with Android support coming soon. The app and protocol will both be open source, so you’ll be able to write your own and augment the current one if it does not meet your requirements. You won’t be able to use older tablets however, as Aeroscope requires Bluetooth 4.1 which means it will work on iOS 9 devices such  as iPhone 4S and later, iPad 3 and later, iPod touch 5th generation and later, iPad mini, and iPad pro, as well as “selected Android tablets”. The app support touch gestures, trigger control, and can measure amplitude (Vpp, Vrms), frequency, and average voltage. As mentioned in the introduction, it transmit video frames, not the actual data, which may be an issue in case you want to analyze / process the data afterwards.

Aeroscope also allows use case that were not possible or complicated to achieve before such as taking measurements on a moving robot, and it’s also extremely portable, so it appears to be ideal to take measurements on the field.

Currently only one Aeroscope can be used at a time, making it single channel oscilloscope, but work (software development) to support a second channel is in progress with two Aeroscopes connected via a special USB cable. It will be enabled by a OTA firmware upgrade once it is ready.

The developers has launched a crowdfunding campaign on Crowdsupply, where they aim to raise $100,000 to go ahead with mass production. The early bird pledge is $259 for the first 25 backers, after which it will be $279, and the retail price should go up to $359. Shipping is free to the US, and $30 to the rest of the world with delivery is scheduled for mid December 2016.

Via Charles Forsythe

JYE Tech DSO138 is a $23 DIY Oscilloscope Kit

April 6th, 2015 2 comments

Back in 2012, I was pleasantly surprised when I discovered they made Digital Storage Oscilloscope (DSO) for less than $200, and today, you can find several oscilloscopes for less than $100, albeit with limited performance, such as DS201. But if you don’t need a high speed DSO and just want to have some fun, JYE Tech DSO138 is a single channel oscilloscope DIY kit that you need to assemble yourself, and sells for just $23 on Banggood, or about $30 on Aliexpress, or Ebay.

DSO138 DIY Kit (Click to Enlarge)

DSO138 DIY Kit (Click to Enlarge)

DSO138 key specifications:

  • MCU – STM32F103C8 ARM Cortex-M3 processor
  • Display – 2.4 -inch color TFT display
  • Analog bandwidth – 0 – 200KHz
  • Sampling rate – 1Msps max
  • Sensitivity – 10mV/Div – 5V/Div
  • Sensitivity error – < 5%
  • Vertical resolution – 12-bit
  • Timebase – 10us/Div – 500s/Div
  • Record length – 1024 points
  • Input impedance : 1MΩ
  • Maximum input voltage : 50Vpp (1:1 probe), 400Vpp (10:1 probe)
  • Built-in 1KHz/3.3V test signal
  • Waveform frozen (HOLD) function available

Bear in mind there are two versions of the kit: 13801K with all SMD parts pre-soldered, and 13802K with only the MCU soldered. So if you don’t feel confident soldering SMD resistors, and small ICs, make sure you get the 13801K version. The one in Banggood requires you to solder SMD parts, so you may be better off going with the one in Ebay. The User Manual in English will guide through the soldering, verification, troubleshooting, and usage steps, and once you’re done, you’ll be proud to have made an oscilloscope that looks like that.


One person reported his experience assembling the kit in about 2 hours. Documentation, schematics, firmware, and source code can be found on JYE Tech DSO138 product page.

Thanks to Onebir for the tip.