Elektor Team

An oscilloscope for 64 dollars (or 49)

December 10, 2013 | 14:37
An oscilloscope for 64 dollars (or 49)
An oscilloscope for 64 dollars (or 49)

Gabotronics’ Xminilab is a mixed signal oscilloscope with an arbitrary waveform generator in a DIP module. It measures only 3.3 x 1.75 inches, and can be mounted directly on a breadboard. The Xminilab can also be used as a development board for the AVR XMEGA microcontroller.


This remarkable new product features a mixed signal oscilloscope for simultaneous sampling of analog and digital signals. Some tech features:

  • 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 or see the phase difference between two waveforms).

  • Spectrum Analyzer with different windowing options and selectable vertical log.

  • Horizontal and Vertical Cursors with automatic waveform measurements.

  • Arbitrary Waveform Generator with Frequency Sweep.

  • Display options: Persistence, Different grid options, and more.


For hardware the ‘scope employs an ATXMEGA32A4U with 36 KB Flash, 4 KB SRAM and 1KB EEPROM, and a 2.42", graphic OLED display with 128x64 pixels. There’s also a PDI interface, 4 tactile switches and a Micro USB connector.


The AWG features 1 Analog Output, a maximum conversion rate of 1 MSPS, an analog Bandwidth: of 44.1 kHz, 8-bit resolution, ±7 mA output current, 256 buffer size and an output voltage: of ±2 V.


The unit is priced at $64.00. If you are looking for a still cheaper model, check out the XMEGA Xprotolab that’s listed for $49.00.

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