A portable-Oscilloscope base on STM32 (OPENSOURCE)

DSO201is a pocket size digital storage oscilloscope fulfills basic 
electronic engineering requirements. It is base on 
ARMCortex™-M3compatible 32 bit platform, equipped with 320*240 color 
display, SD card capability, USB connection, and chargeable batteries. 
Weighs only 60g!Portable Digital Oscilloscope DIY Kit provides waveform 
viewing, pocket size and over 2 hoursbatteryoperation. This DIY kit is 
aopen source code. The Schematic, PCB layout and program code is free 
for re-design. It is ideal for production test, research, design and 
education.




Specification
Display 2.8″ Color TFT LCD
Display Resolution 320×240
Display Color 65K
Analog bandwidth 0 - 1MHz
Max sample rate 1Msps 12Bits
Sample memory depth 4096 Point
Horizontal sensitivity 1uS/Div～10S/Div (1-2-5 Step)
Horizontal position  adjustable with indicator
Vertical sensitivity  10mV/Div～10V/Div (with ×1 probe)
 0.5V/Div～10V/Div (with ×10 probe)
Vertical position  adjustable with indicator
Input impedance >500KΩ
Max input voltage  80Vpp (by ×1 probe)
Coupling DC
Trig modes Auto, Norma, Single, None and Scan
Functionalities: Automatic measurement: frequency, cycle, duty, Vpp, 
Vram, Vavg and DC voltage
 Precise vertical measurement with markers
 Precise horizontal measurement with markers
 Rising/falling edge trigger
 Trig level adjustable with indicator
 Trig sensitivity adjustable with indicator
 Hold/run feature
Test signal Built-in 10Hz～1MHz (1-2-5 Step)
Waveform storage SD card
PC connection via USB as SD card reader
Upgrade  by bootloader via USB
Power supply 3.7V Chargeable Lithium battery / USB
Dimension (w/o probe) 106mm X 55mm X 9.9mm

Pc connection: Mini USB B-Type