DSO138 Digital Oscilloscope Kit

DSO138 Digital Oscilloscope Kit

The DSO138 Digital Oscilloscope Kit offers a perfect entry point for electronic enthusiasts and students. Designed for hands-on learning and practical testing, this assembled oscilloscope kit features a 2.4-inch TFT color display, ARM Cortex-M3 (STM32F103C8) processor, and detailed documentation for an easy and successful build experience.

Product Features

  • Ideal for Training and Learning: Complete with schematics, production guidance, and troubleshooting methods, making it an excellent training tool for electronics production.
  • Component Diversity: Helps students identify a wide range of components, with practical exercises including soldering of both inline and SMD elements.
  • Versatile Practical Applications: Suitable for observing and measuring audio signals, video synchronization, low-frequency switching power supplies, infrared transmitters/receivers, and more.
  • Expandable and Customizable: Open-source design allows for secondary development; can be modified into a millivoltmeter, data logger, and other tools.
  • Simple and Reliable Design: With a straightforward circuit layout, the DSO138 offers reliability and affordability for students, hobbyists, and makers.

Specifications

Parameter Specification
Processor ARM Cortex-M3 (STM32F103C8)
Display 2.4" Color TFT
Maximum Sampling Rate 1Msps
Resolution 12-bit
Sampling Buffer Depth 1024 bytes
Analog Bandwidth 0 – 200KHz
Vertical Sensitivity 10mV/Div to 5V/Div (1-2-5 progressive mode)
Input Impedance 1MΩ
Maximum Input Voltage 50Vpp (1:1 probe), 400Vpp (10:1 probe)
Coupling Modes DC/AC/GND
Time Base Range 10μs/Div to 50s/Div (1-2-5 progressive mode)
Trigger Modes Auto, Normal, Single
Trigger Type Rising or Falling Edge

Additional Features

  • Adjustable trigger level
  • Negative delay (pre-trigger waveform observation)
  • HOLD function to freeze the display
  • Built-in 1Hz/3.3V square wave test signal source
  • Power Supply: DC 9V

Package Includes

  • 1 x Pre-Welded Assembled DSO138 Oscilloscope Module

Notes

  • This kit comes pre-assembled. No soldering is required.
  • For 1:1 and 10:1 probes, make sure the input voltage does not exceed the specified limits.
  • Perfect for hobby projects, classroom learning, and basic signal analysis.