This DSO138 digital oscilloscope kit adopts ARM Cortex-M3 processor and with 2.4-inch TFT screen. It's easy and reliable for circuit operation. It can display frequency￡? period￡? pulse width￡? duty ratio￡? MAX./MIN./AVG./Peak-Peak/virtual values. <br><br><strong>Features:</strong> <br>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￡? data loggers. <br>Adjustable vertical displacement￡? and with instructions. <br>With automatic￡? regular and one-shot modes￡? easy to capture the moment waveform. <br>Available rising or falling edge trigger. <br>Observable previous trigger waveform (negative delay). <br>Can freeze at any time waveform display (HOLD function). <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-Peak/virtual values. <br><br><strong>Note:</strong> <br>This DIY kit is not soldered yet! <br><br><strong>Specifications:</strong> <br>Maximum Real-time Sampling Rate: 1Msps <br>Accuracy: 12Bit <br>Sampling Buffer Depth: 1024 bytes <br>Analog Bandwidth: 0-200KHz <br>Vertical Sensitivity: 10mV / Div - 5V / Div (1-2-5 progressive manner) <br>Input Impedance: 1M|? <br>Maximum Input Voltage: 50Vpp (1: 1 probe)￡? 400Vpp (10: 1 probe) <br>Coupling Modes: DC / AC / GND <br>The Horizontal Time Base Range: 10|ìs / Div - 50s / Div (1-2-5 progressive manner) <br>Supply Voltage: DC 9V <br>PCB Size: 117 * 76mm / 4.6 * 3in <br>Screen Size: 52 * 40mm / 2 * 1.57in <br>Package Size: 18 * 12.5 * 3cm / 7.08 * 4.92 * 1.18in <br>Package Weight: 119g / 4.21oz <br><br><strong>Package List:</strong> <br>1 * DSO138 DIY Digital Oscilloscope Kit <br>1 * Probe