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Xprotolab Plain
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Xprotolab Plain

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The Xprotolab Plain is the most inexpensive but feature rich oscilloscope in the market. It consists of a simple DIP module with a USB interface. Visualization of the signals and controlling the oscilloscope is done on the PC interface software (open source). The Xprotolab Plain is similar to the original Xprotolab, but doesn't have the display and buttons, so it only works with the USB interface. The board measures only 1 x 2 inches, and can be mounted directly on a breadboard. The Xprotolab can also be used as a development board for the AVR XMEGA microcontroller.


  • Mixed Signal Oscilloscope: Simultaneous sampling of analog and digital signals.
  • Advanced Trigger: Normal / Single / Auto, with rising or falling edge and adjustable trigger level.
  • Meter Mode: Average, Peak to peak and Frequency readout.
  • XY Mode:
    - Plot Lissajous patterns
    - See the phase difference between two waveforms
    - V/I Curve tracer with an external resistor
  • Spectrum Analyzer with different windowing options and selectable vertical log.
  • Horizontal and Vertical Cursors with automatic waveform measurements.
  • Arbitrary Waveform Generator with Sweep on all parameters.
  • Display options: Persistence, Different grid options, and more.

General Specifications:

  • Module size: 1.980" x 1.01"
  • PDI interface.
  • USB connectivity: Windows, Linux, MAC, Android

Logic Analyzer specifications:

  • 8 Digital Inputs, 3.3V level
  • Maximum sampling rate: 2MSPS
  • Frequency counter: 16Mhz
  • Protocol Sniffer: UART, I2C, SPI
  • Internal pull up or pull down.
  • Buffer size: 256

Oscilloscope specifications:

  • 2 Analog Inputs
  • Maximum Sampling rate: 2MSPS
  • Analog Bandwidth: 200kHz
  • Resolution: 8bits
  • Input Impedance: 1M?
  • Buffer size per channel: 256
  • Input Voltage Range: -14V to +20V

AWG specifications:

  • 1 Analog Output
  • Maximum conversion rate: 1MSPS
  • Analog Bandwidth: 44.1kHz
  • Resolution: 8bits
  • Output current > +/- 7mA
  • Buffer size: 256
  • Output Voltage: +/- 2V
EDNHot100 The Xprotolab was awarded as one of the 100 Hot Products of 2011, by the EDN magazine.

All the parts are soldered with the exception of the headers.

Optional Accessories (soldering required):
- PDI Programming Header: Only needed to do firmware debugging on the device.
- Bluetooth Header: Only needed to hook up external devices, such as the Bluetooth RF Module.
- Jumper Wires: Useful for breadboard prototyping, 6" male to male.
- USB OTG Adapter: To connect to an Android device


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Price: $20.00
worldwide-orbit We ship worldwide, but you can also buy from a distributor near you.




Customer Reviews:

Talcala Dan  (Friday, 21 July 2017) Rating: 5
perfect, i made it over BT module, so is wireless
frank allison  (Monday, 05 January 2015) Rating: 5
EXCELLENT product. I keep mine on a tiny dedicated breadboard so that I don't have to wire it into each circuit I want to test; I just leave header pin probes plugged in all ready to go. I've also soldered the headers on so that the pinout silkscreen is visible on top, which leaves the the usb connector hanging off the end of the breadboard so that I can get a larger cable/adapter onto it and I don't have to refer to the doc every time I bust it out. The interface software is very good and does include meter mode now (1/5/2015). I might ask for a way to choose log plotting in order to have a true bode plot. Overall incredible value and a very useful tool for me (mechanical engineering student).

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I received the xprotolab and I'm blown away by the sophistication of the software. I work in audio a lot and I often have to lug equipment around between labs. This pocket unit will come in handy. Tom Maier

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