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.<br> Can be secondary development on the basis of this kit, for example, it can be changed to Millivoltmeter,<br> With automatic, regular and one-shot modes, easy to capture the moment waveform.<br> Comes 1Hz /3.3V square wave test signal source.<br> With waveform parameter digital display, including frequency, period, pulse width, duty ratio, MAX./MIN./AVG./Peak-<br> <br> Maximum real-time sampling rate: 1Msps<br> Accuracy: 12Bit<br> Sample buffer depth: 1024 bytes<br> Analog Bandwidth: 0 - 200KHz<br> Vertical Sensitivity: 10mV/Div - 5V/Div (in 1-2-5 increments)<br> Adjustable vertical displacement with indication<br> Input impedance: 1MΩ<br> Maximum input voltage: 50Vpp (1:1 probe), 400Vpp (10:1 probe)<br> Coupling methods include DC/AC/GND<br> Horizontal time base range: 10μs/Div - 50s/Div (in 1-2-5 increments)<br> With automatic, conventional and single trigger modes, it is convenient to capture instantaneous waveforms<br> Trigger with rising or falling edge<br> Adjustable trigger level position with indication<br> Waveform before trigger can be observed (negative delay)<br> Waveform display can be freeze at any time (HOLD function)<br> Comes with 1KHz /3.3V square wave test signal source<br> Digital display with waveform parameters, the parameters that can be displayed are: frequency, period, pulse width, duty cycle, maximum value, minimum value, average value, peak-to-peak value, RMS<br> Save/recall the waveform, the waveform does not disappear when power off<br> Colour:Red<br> Material:ABS<br> Size:18 x 12.5 x 3cm<br> <br> Package Contents:<br> 1 * DSO138 DIY Digital Oscilloscope Kit<br> 1 * Probe<br> <br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different f