DSO-138 Kit:_x000D_ This kit uses ARM Cortex-M3 processor (STM32F103C8), and includes a 2.4-inch color TFT display screen, can be used as ARM test development board._x000D_ Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter, data loggers._x000D_ Adjustable vertical displacement, and with instructions. With automatic, regular and one-shot modes, easy to capture the moment waveform._x000D_ Available rising or falling edge trigger._x000D_ _x000D_ Observable previous trigger waveform (negative delay)._x000D_ Can freeze at any time waveform display (HOLD function)._x000D_ Comes 1Hz /3.3V square wave test signal source._x000D_ With waveform parameter digital display, including frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-Peak/virtual values._x000D_ Waveform storage function: will not lose the waveform after power off._x000D_ Short-circuit and open-circuit detection: can help the user find out the soldering error._x000D_ TFT controller recognition function._x000D_ The SMD has been soldered, more suitable for electronic beginner._x000D_ Case:_x000D_ DIY cover for DSO FNIRSI-138 oscilloscope._x000D_ Acrylic material, looks transparent(need to tear down the film)._x000D_ Easy for electronic enthusiasts to assemble._x000D_ Specifications:_x000D_ DSO138 Kit_x000D_ Maximum Real-time Sampling Rate: 1Msps_x000D_ Accuracy: 12Bit_x000D_ Sampling Buffer Depth: 1024 bytes_x000D_ Analog Bandwidth: 0-200KHz_x000D_ Vertical Sensitivity: 10mV / Div - 5V / Div (1-2-5 progressive manner)_x000D_ Input Impedance: 1M_x000D_ Maximum Input Voltage: 50Vpp (1: 1 probe), 400Vpp (10: 1 probe)_x000D_ Coupling Modes: DC / AC / GND_x000D_ The Horizontal Time Base Range: 10s / Div - 50s / Div (1-2-5 progressive manner)_x000D_ Supply Voltage: DC 9V_x000D_ size:18 x 12.5 x 3cm_x000D_ Material:ABS_x000D_ colour:Red_x000D_ _x000D_ Package Contents:_x000D_ 1 x Digital Oscilloscope Kit_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_