DSO Series Open Hardware Pocket-Sized Digital Oscilloscope

The DSO Series is a compact, open hardware digital storage oscilloscope powered by a 32-bit ARM-M3 processor. Featuring a 2.8-inch 320x240 color TFT LCD display, microSD card slot, USB port, and built-in rechargeable battery, it delivers essential oscilloscope functionality in a truly portable form.

Perfect for education, electronics repair, and engineering, it's also a favorite among DIY enthusiasts and hackers thanks to its open-source hardware and firmware—making it an excellent STM32 development platform.

Key Features:

Portable:
Slim, pocket-sized design with full oscilloscope functionality.

Powerful:
Supports waveform saving in BMP, DAT, BUF, or CSV formats. Math functions include DATA, -DATA, Inp+D, Inp-D, -Inp. Built-in signal output: 10Hz to 1MHz (1-2-5 stepping).

Display:
2.8" color TFT LCD for clear, vibrant waveform visualization.

Rechargeable:
Powered by a 500mAh lithium battery, rechargeable via mini USB.