DSO138/DSO311/DSO328 Digital 2.4" TFT Oscilloscope 200KHz 1Msps SMT32 Atmega328P

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DSO138/DSO311/DSO328 Digital 2.4" TFT Oscilloscope 200KHz 1Msps SMT32 Atmega328P DSO138 Oscilloscope

Training for electronic production, complete detailed descriptive information, including schematics, production guidance, instructions, troubleshooting methods, etc., making a high success rate.
Component species diversity for students to identify elements, inline elements welding, soldering SMD components training.
Students can get in at the same time making a practical tool for audio, video synchronization, low-frequency switching power supply, infrared receiver transmitter signal waveform and many other occasions, effectively observed and measured, increased interest in learning, improve learning outcomes .
Kits using ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4 -inch color TFT display can be used as test ARM development board.
Available source, the ability of a friend can be secondary development kit based on, for example, it can be changed to Millivoltmeter, data loggers, and so on.
Circuit is simple, reliable, inexpensive
Performance:
Maximum real-time sampling rate : 1Msps
Accuracy: 12Bit
Sampling buffer depth: 1024 bytes
Analog bandwidth: 0 - 200KHz
Vertical Sensitivity: 10mV / Div - 5V / Div ( 1-2-5 progressive manner )
Adjustable vertical displacement , and with instructions
Input impedance: 1MΩ
Maximum input voltage: 50Vpp (1: 1 probe ), 400Vpp (10: 1 probe )
Coupling modes include DC / AC / GND
The horizontal time base range: 10μs / Div - 50s / Div ( 1-2-5 progressive manner )
With automatic, regular and one-shot mode , easy to capture the moment waveform
Available rising or falling edge trigger
Adjustable trigger level position , and with instructions
Observable trigger waveform before ( negative delay )
Can freeze at any time waveform display (HOLD function )
Comes 1Hz /3.3V square wave test signal source
Package included:
1 x DSO138 Oscilloscope (Welded / DIY Kits)
DSO311 Oscilloscope

This mini oscilloscope is designed for electronic hobbyists to learn about electronics, soldering, programming and STM32. It contains main controller board, TFT LCD and other electronic components to DIY a functional mini digital oscilloscope.
Features:
Use STM32 Chip. It runs faster than DSO138 and a good handle of data.
Pre-programmed. The controller board is programmed and tested before leaving factory. It is high quality and safe to use.
Full of Fun. It is a DIY kit and fun to make your own oscilloscope. Especially suitable for who are interested in soldering andSTM32.
With Cool Black Case. Unlike DSO138, DSO311 is with a cool black case, which makes it convenient to use in teaching and testing.
Notice: This oscilloscope requires DC 9V 200mA power supply (no more than 10V, or it may be burned)
Model: DSO311
Input impedance: 1MΩ
Analog Bandwidth: 0 – 200 KHz
Maximum input voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe)
Maximum real-time sampling rate: 1Msps
Comes 1Hz /3.3V square wave test signal source
Accuracy: 12Bit
Sampling buffer depth: 1024 bytes
Vertical Sensitivity: 5mV/Div – 20V/Div
Adjustable vertical displacement, and with instructions
Coupling modes: DC / AC / GND
The horizontal time base range: 10μs / Div - 50s / Div (1-2-5 progressive manner)
With automatic, regular and one-shot mode, easy to capture the moment waveform
Available rising or falling edge trigger
Adjustable trigger level position, and with instructions
Observable previous trigger waveform (negative delay)
Can freeze at any time waveform display (HOLD function)
Packing Included:
1 x DSO311 Oscilloscope (Welded / DIY Kits)
DSO328 Oscilloscope

Overview:
This mini oscilloscope is designed for electronic hobbyists to learn about electronics, soldering, programming and STM32. It contains main controller board, TFT LCD and other electronic components to DIY a functional mini digital oscilloscope.
Features:
Use STM32 Chip. It runs faster than DSO138 and a good handle of data.
Pre-programmed. The controller board is programmed and tested before leaving factory. It is high quality and safe to use.
Full of Fun. It is a soldered Product
With Cool Black Case. Unlike DSO138, this DSO328 is with a cook black case, which makes it convenient to use in teaching and testing.
Notice: This oscilloscope requires DC 9V 200mA power supply (no more than 10V,or it may be burned)
Specification:
Input impedance: 1MΩ
Analog Bandwidth: 0 – 200 KHz
Maximum input voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe)
Maximum real-time sampling rate: 1Msps
Comes 1Hz /3.3V square wave test signal source
Accuracy: 12Bit
Sampling buffer depth: 1024 bytes
Vertical Sensitivity: 5mV/Div – 20V/Div
Adjustable vertical displacement, and with instructions
Coupling modes: DC / AC / GND
The horizontal time base range: 10μs / Div - 50s / Div (1-2-5 progressive manner)
With automatic, regular and one-shot mode, easy to capture the moment waveform
Available rising or falling edge trigger
Adjustable trigger level position, and with instructions
Observable previous trigger waveform (negative delay)
Can freeze at any time waveform display (HOLD function)
Display and Control
Connection:
Power Supply: DC 8V-10V, recommend DC 9V, no more than 10V
Probe: connect the probe to BNC
Button Functions:
【V/DIV】: Selection for Sensitivity and Vertical position
【SEC/DIV】: Selection for time base and horizontal position,
【TRIGGER】: Selection for Trigger mode, Trigger Level or Trigger Edge
【OK】: Press once to entert HOLD function, second press to exit HOLD function
【ADJ】: Arrow key, turn left and right to select parameters Selected parameter will be highlighted
【COUPLING SWITHC】: Coupling can be switched to DC, AC or GND. When it is switched to GND, the oscilloscope’s input is disconnected from external input and is connected to the ground, aka input is 0 V
Additional Functions:
Vertical position alignment Switch to GND：press【V/DIV】for 3 seconds
Parameter bar turn on/off：Press【OK】for 3 seconds to turn on/off the parameter bar.
Save waveform:Press 【OK】and 【TRIGGER 】at the same time, current waveform will be saved in EEPROM; the original data will be replaced.
Read waveform:Press【OK】and【SEC/DIV】at the same time, it can read the waveform saved in EEPROM; it is showed in HOLD mode.
Reset to default setting:Press【SEC/DIV】and【TRIGGER】for 3 seconds
Horizontal position centered:Press【SEC/DIV】for 3 seconds, horizontal position will be in the center of waveform buffer
Trigger level centered:Press【TRIGGER】for 3 seconds, Trigger level will be in the center of Signal amplitude.
Probe-compensated adjustment:
Adjust trimmer capacitor C3 and C5:
a) Connect the probe’s RED clip to signal output terminal, black clip not connected
b) Power on the oscilloscope to start, press【ADJ】knob for 3 seconds. Tthe bottom of the screen shows the output of the test signal amplitude, and then press【ADJ】 to adjust amplitude to 0.1V.
c) Set sensitivity to 50mV, adjust trigger level to make the waveform stable.
d) Adjust C3 to make the waveform right-angled. C3 adjustment is finished.
e) Press【ADJ】to adjust amplitude to 3.3V, and set sensitivity to 1V, adjust C5 to make the waveform right-angled.
Package include:
1 x DSO328 Oscilloscope (Welded / DIY Kits)

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Am 31.12.20 hat der Verkäufer die folgenden Angaben hinzugefügt:

• Condition: Neu
• Item: Acrylic Case for DSO138
• Marke: Markenlos
• Brand: Unbranded/Generic
• Country/Region of Manufacture: China
• Model: DSO311/138/328
• MPN: Oscilloscopes

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