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DSO138mini Oscilloscope DIY Kit

DSO138mini Oscilloscope DIY Kit

Highlights of DSO138mini:

  • An replacement model of DSO138. Better structure. More reliable
  • Bandwidth: 0 – 200KHz
  • Sensitivity range: 10mV/DIV – 5V/DIV (using x1 probe)
  • Maximum input voltage: 50Vpk (using x1 probe)
  • Maximum real time sampling rate: 1MS/s
  • Time Base range 10us/DIV – 500s/DIV
  • External trigger
  • Display Resolution: 320 x 240 Color display
  • Display Size: 2.4″
  • Battery or USB powered
  • Serial data output to PC. Example: A captured single byte (0x35). Displayed on PC using Gnuplot
  • The main board has been pre-programmed and tested
  • Enclosure available (sold separately)

Buy online


See more pictures:
Assembled / Main board / Analog board / Packaging / With battery

Important Notes

It is assumed that users have adaquate soldering skills and troubleshooting skills to assemble the DSO138mini kits. It is not guaranteed that you will end up with a working device. However, we make as much efforts as we can to help you approach that goal.

Optional Parts:

  • Standard BNC probe
  • Battery charger breakout board JYE118
  • Arcylic enclosure (see picture on right): Download assembly instructions
DSO138mini Enclosure

Specification

Vertical

  • Number of Channel: 1
  • Analog Bandwidth: 0 - 200KHz
  • Sensitivity: 10mV/Div - 5V/Div
  • Sensitivity error: < 5%
  • Resolution: 12-bit
  • Input Impedance: 1M ohm
  • Maximum Input voltage: 50Vpk
  • Coupling: DC, AC, GND

Horizontal

  • Max Real-time Sampling Rate: 1Msps
  • Timebase: 10us/Div - 500s/Div
  • Record Length: 1024

Trigger

  • Trigger Modes: Auto, Normal, Single
  • Trigger Types: Rising/falling edge
  • Trigger Position: 1/2 of buffer size fixed

Display

  • 2.4-inch color TFT LCD with 320 x 240 resolution

Power Supply

  • 3.5V - 6V DC
  • Supply Current: 120mA @5V

Physical

  • Dimension: 85mm X 75mm X 15mm
  • Weight: 50 gram (not including cables)

Documents:

User Manual (for versions H and J analog board)
Main board schematic (version I)
Analog board schematic (version J)
Power Supply Options
How to Test DSO138mini for Beginners
How to Upgrade Firmware
How to Send Waveform to PC
Enclosure Assembly Guide
Add a Voltage Meter

Documents for the obsoleted versions:

User Manual (for version F analog board [obsoleted])
Main board schematic (Version H [obsoleted])
Analog board schematic (version F [obsoleted])
Analog board schematic (version H [obsoleted])

Firmwares:

Clkck here.

Related links:

Troubleshooting Guide

SKU NumberContents
13805K

1x One DSO138mini kit with all SMD parts pre-soldered
1x Users Manual (English)

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