Description

Description

Kits using ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display can be used as ARM test development board.
Available source, Capable people can be secondary development on the basis of the suite, for example, it can be changed to Millivoltmeter, data loggers, and so on (we don’t supply any technical support about that).
The circuit is simple and the kit is inexpensive

PCB size: 117 x 76mm
Screen size: 52 x 40mm
Supply voltage: DC 9V

Characteristics of Fully Assembled DSO138 2.4″ TFT Digital Oscilloscope:

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: 1M?
Maximum input voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe)
Coupling modes: DC / AC / GND
The horizontal time base range: 10?s / 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)
Comes 1Hz /3.3V square wave test signal source

DSO138 was design as a training oscilloscope kit. It contains only the basic oscilloscope functions with no fancy features. Simplicity in structure and easiness in assembly/operation are among the main targets of the design. For these purpose, DSO138 uses mostly through-hole parts. The heart of DSO138 is a Cortex-M3 ARM processor (STM32F103C8) from ST. It uses 2.4-inch TFT LCD (320 X 240 dot matrix, 262K colors) as its display element and displays nice and clear waveforms. Detailed assembly instructions are provided in combination with a troubleshooting guide and schematic. Source codes are also available to allow the user to add their own features.

DSO138 kits are sell in two configurations. One is with all SMD parts pre-solder (PN: 13803K, replacing 13801K). The other is with only the main IC (the MCU) pre-soldered (PN: 13804K, replacing 13802K). The latter serves also as an SMD soldering training kit. For both configurations, the MCU has been pre-program and no re-programming?

Package Include:

1 x Fully Assembled DSO138 2.4″ TFT Digital Oscilloscope

DSO138(2).jpg

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Additional information

Weight 0.1 kg

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